Products

Refine

Country

Business Type

Certificate

Display

ShangHai Soyoung Biotechnology Inc

Shanghai SOYOUNG onsite assessment conducted by Bureau Veritas commissioned at June 2018. Assessed Supplier of Shanghai SOYOUNG is a faithful and professional supplier of health raw materials in pharmacy, food, cosmetic and other fields for many ye

Riboflavin CAS 83-88-5 Vitamin B2

Cas:83-88-5

Min.Order:25 Kilogram

FOB Price: $63.0

Type:Lab/Research institutions

inquiry

HANGZHOU CLAKE BIOTECH CO.,LTD

1. GMP AVALIABLE ; 2. IN STOCK 3. FAST REPLY QUALIFED ; EFFICIENCY; RESPONSIBLE Appearance:Yellow or orange-yellow crystalline powder Storage:in cool Package:25kg/drum Application:active pharmaceutical ingredient Transportation:to

Riboflavin

Cas:83-88-5

Min.Order:25 Kilogram

Negotiable

Type:Trading Company

inquiry

Hubei Lidu New Material Technology Co., Ltd

Hubei Lidu New Materials Technology Co. , Ltd. is located in No. 12,3C Industrial Park, Zhongxiang Economic Development Zone, Hubei Province. The company is committed to fine chemical raw materials, pharmaceutical intermediates and other production,

Riboflavin

Cas:83-88-5

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

inquiry

Cartoon Ingredients Co., Ltd

Cartoon Ingredients Co.,Ltd.is located in NanJing, the capital of Jiangsu Province.with Convenient traffic As a manufacturer, the company mainly engaged in providing Food ingredients, Herbal extracts, Vitamins, APIs and Fine chemicals &a

Riboflavin

Cas:83-88-5

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Dayang Chem (Hangzhou) Co.,Ltd.

As a leading manufacturer and supplier of chemicals in China, DayangChem not only supply popular chemicals, but also DayangChem's R&D center offer custom synthesis services. DayangChem can provide different quantities of custom synthesis ch

Riboflavin Manufacturer/High quality/Best price/In stock

Cas:83-88-5

Min.Order:1 Kilogram

FOB Price: $3.0

Type:Lab/Research institutions

inquiry

Hangzhou Dingyan Chem Co., Ltd

Items Standard Result Appearance Yellow or orange-yellow granule Conforms Identification Pos

High purity Riboflavin with high quality and best price cas:83-88-5

Cas:83-88-5

Min.Order:1 Kilogram

FOB Price: $75.0 / 95.0

Type:Manufacturers

inquiry

Sinoway Industrial Co., Ltd.

Why is SINOWAY: 1) Specialized in pharmaceutical and healthcare industrial for 34 years. 2) ISO 9001:2015 & SGS audited supplier . 3) Accept various payment terms : T.T 30-60 days. 4) We have warehouse in USA with quickly shipment . 5) We c

99% up GMP DMF Vitamin B2 Riboflavin 83-88-5

Cas:83-88-5

Min.Order:1 Kilogram

Negotiable

Type:Trading Company

inquiry

Simagchem Corporation

Welcome to Simagchem, your partner in China as a premier supply of bulk specialty chemicals for industry and life science. We introduce experienced quality product and exceptional JIT service with instant market intelligence in China to benefit our

High quality Vitamin B2 80% supplier in China

Cas:83-88-5

Min.Order:1 Kilogram

Negotiable

Type:Manufacturers

inquiry

Kono Chem Co.,Ltd

Superiority KONO is a leading manufacturer and supplier of chemicals in China. We develop ,produce and distribute high quality pharmaceuticals, intermediates, special chemicals and other fine chemicals. We could give you: 1.Best quality

Factory supply Vitamin B2 Riboflavin

Cas:83-88-5

Min.Order:1 Kilogram

FOB Price: $50.0 / 60.0

Type:Other

inquiry

Hebei yanxi chemical co.,LTD.

hebei yanxi chemical co., LTD who registered capital of 10 million yuan, nearly to $2 million, we have a pharmaceutical raw materials factory production of pharmaceutical raw materials, and a reagent r&d center, and we do research and developm

supply high quality & purity Riboflavin 99%

Cas:83-88-5

Min.Order:1 Metric Ton

FOB Price: $1.0 / 3.0

Type:Manufacturers

inquiry

Wuhan Fortuna Chemical Co.,Ltd

Unique advantages for Riboflavin (Vitamin B2) CAS 83-88-5 Guaranteed purity High quality & competitive price Quality control Fast feedback Prompt shipment Appearance:Yellow or orange-yellow crystalline powder Storage:Store in 2-8℃ P

Factory supply Riboflavin (Vitamin B2) CAS 83-88-5 of USP/ FCC standard

Cas:83-88-5

Min.Order:25 Kilogram

FOB Price: $58.0 / 61.0

Type:Trading Company

inquiry

Xi'an Quanao Biotech Co., Ltd.

Come From Nature / Building Healthy Life Beauty In Your Face / Nourishment Your Taste Bud. Professional Factory: We has a complete production and operating system, with an annual output capacity of 2000 tons. It can produce variety of conten

Food Grade 98% Riboflavin / Vitamin B2 Powder CAS: 83-88-5

Cas:83-88-5

Min.Order:1 Kilogram

FOB Price: $59.0 / 69.0

Type:Manufacturers

inquiry

Hangzhou Think Chemical Co. Ltd

Vitamin B2(Riboflavin) Cas No:83-88-5 USP2021 Name Riboflavin Synonyms 7,8-Dimethyl-10-ribitylisoalloxazine; Lactoflavine; Vitamin B2 Molecular Structure HANGZHOU THINK

Vitamin B2 with competitive price

Cas:83-88-5

Min.Order:1 Kilogram

Negotiable

Type:Other

inquiry

Hefei TNJ chemical industry co.,ltd

1, Full experience of large numbers containers loading in main Chinese seaports 2, Packing with pallet as buyer's special request 3, Best service after shipment with e-mail 4, Cargoes together with container sales service available

Riboflavin Vitamin B2 83-88-5

Cas:83-88-5

Min.Order:1 Metric Ton

Negotiable

Type:Trading Company

inquiry

EAST CHEMSOURCES LIMITED

Vitamin B2 Commodity Name Riboflavin Flowing Particle(Vitamin B2 80%) Vitamin B2 98% CAS No 83-88-5 83-88-5 M.F. C17H20N4O6 C17H20N4O6 M.W.

Vitamin B2

Cas:83-88-5

Min.Order:1 Kilogram

FOB Price: $2.0 / 3.0

Type:Manufacturers

inquiry

Ality Chemical Corporation

The above product is Ality Chemical's strong item with best price, good quality and fast supply. Ality Chemical has been focusing on the research and production of this field for over 14 years. At the same time, we are always committed to providi

Factory Supply Vitamin B2 80%

Cas:83-88-5

Min.Order:1

Negotiable

Type:Other

inquiry

Xi'an Xszo Chem Co., Ltd.

1. Factory price and high quality must be guaranteed, base on 8 years of production and R&D experience2. Free samples will be provided,ensure specifications and quality are right for customer3. Customers will receive the most professional technical s

High Quality Food Grade Vitamin B2 83-88-5 HACCP Manufacturer

Cas:83-88-5

Min.Order:1 Gram

FOB Price: $0.1

Type:Manufacturers

inquiry

Chengdu Lemeitian Pharmaceutical Technology Co,. Ltd

ADVANTAGE: 1. More than 3,000 Chinese medicine reference substances / standard products available from stock, issued on the same day, multiple cities can be delivered the next day 2. The products are provided with COA, HPLC, NMR, quality assurance,

VB2

Cas:83-88-5

Min.Order:10 Metric Ton

Negotiable

Type:Manufacturers

inquiry

Shanghai Seasonsgreen Chemical Co.,Ltd

Shanghai Seasonsgreen Chemical is a high-tech research and development, production, sale and custom synthesis set in one high-tech chemical products enterprises. Our sales and marketing division is located in Shanghai, serving international pharmaceu

lower price High quality Riboflavin

Cas:83-88-5

Min.Order:1 Kilogram

FOB Price: $1.0

Type:Manufacturers

inquiry

Shanxi Zorui Biotechnology Co.Ltd.

Zorui combines R&D, production and sales into its operations, While continuously providing high-quality raw materials, we also provide and optimize technical solutions for customers to achieve mutual benefit. We adhere to the "quality, integ

Nutrition Supplement Vitamin B2/ Riboflavin Powder CAS 83-88-5

Cas:83-88-5

Min.Order:1 Kilogram

Negotiable

Type:Other

inquiry

COLORCOM LTD.

Colorcom is a global leader in industrial chemical manufacturing and is continuously innovating and transforming to exceed client expectations and industry standards. Colorcom prides itself on superior customer and technical focus, while focusing on

Vitamin B2 (Riboflavin)

Cas:83-88-5

Min.Order:1 Metric Ton

Negotiable

Type:Manufacturers

inquiry

Chemwill Asia Co., Ltd.

Our main production base is located in Xuzhou industry park. We are certified both to the ISO 9001 and ISO 14001 Standards, have a safety management system in place.Our R&D team masters core technology for process-design of target building block

Vitamin B2, Riboflavin

Cas:83-88-5

Min.Order:5 Kiloliter

FOB Price: $1.2 / 5.0

Type:Manufacturers

inquiry

Hubei DiBo chemical co., LTD

Name:iboflavin CAS NO:83-88-5 Grade:Chemical industry, scientific research and export Product Quality 12 years of chemical raw materials Mature operation of the industry System stability Data storage Security without vulnerability Product

iboflavin CAS:83-88-5 Chinese manufacturers high-quality

Cas:83-88-5

Min.Order:25 Kilogram

FOB Price: $1.0 / 2.0

Type:Other

inquiry

Henan Tianfu Chemical Co., Ltd.

TIANFUCHEM-- 83-88-5--High purity Riboflavin in stock Our company was built in 2009 with an ISO certificate.In the past 10 years, we have grown up as a famous fine chemicals supplier in China And we had established stable business relat

TIANFUCHEM-- 83-88-5--High purity Riboflavin in stock

Cas:83-88-5

Min.Order:1 Metric Ton

FOB Price: $2000.0

Type:Lab/Research institutions

inquiry

Hebei Nengqian Chemical Import and Export Co., LTD

With our good experience, we offer detailed technical support and advice to assist customers. We communicate closely with customers to establish their quality requirements. Consistent Quality Our plant has strict quality control in each manufacturin

CAS 83-88-5 98% Vitamin B2 (Riboflavine)

Cas:83-88-5

Min.Order:1 Kilogram

FOB Price: $1.0 / 10.0

Type:Trading Company

inquiry

Zhuozhou Wenxi import and Export Co., Ltd

WITH US,YOUR MONEY IN SAFE,YOUR BUSINESS IN SAFE 1)Quick Response Within 12 hours; 2)Quality Guarantee: All products are strictly tested by our QC, confirmed by QA and approved by third party lab in China, USA, Canada, Germany, UK, Italy, France et

New production CAS 83-88-5 with best quality

Cas:83-88-5

Min.Order:1 Kilogram

FOB Price: $139.0 / 210.0

Type:Trading Company

inquiry

Hebei Sankai Chemical Technology Co., Ltd

1. Product advantages ♦ High purity, all above 98.5%, no impurities after dissolution ♦ We will test each batch to ensure quality ♦ OEM and private brand services designed for free ♦ Various cap colors available ♦ W

Riboflavin CAS83-88-5

Cas:83-88-5

Min.Order:1 Kilogram

FOB Price: $289.0 / 499.0

Type:Trading Company

inquiry

LIDE PHARMACEUTICALS LIMITED

Advantage : LIDE PHARMACEUTICALS LTD. is a mid-small manufacturing-type enterprise, engaged in pharmaceutical intermediates of R&D, custom-made and production, and also involving trading chemicals for export. We have established the R&amp

Riboflavin/ LIDE PHARMA- Factory supply / Best price

Cas:83-88-5

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Henan Sinotech Import&Export Corporation

Name Riboflavin Synonyms 7,8-Dimethyl-10-ribitylisoalloxazine; Lactoflavine; Vitamin B2 Molecular Structure

Riboflavin CAS: 83-88-5

Cas:83-88-5

Min.Order:5 Metric Ton

FOB Price: $1.0 / 2.0

Type:Other

inquiry

Hubei Langyou International Trading Co., Ltd

1. Guaranteed purity; 2. Large quantity in stock; 3. Largest manufacturer; 4. Best service after shipment with email; 5. High quality & competitive price; Appearance:Yellow to orange/yellow crystalline powder Storage:Store in

Nutrition Enhancer Vitamin B2 (Riboflavin) CAS: 83-88-5

Cas:83-88-5

Min.Order:100 Gram

Negotiable

Type:Other

inquiry

Synthetic route

BARBITURIC ACID
67-52-7

BARBITURIC ACID

N-<3,4-dimethyl-6-(phenylazo)phenyl>-D-ribitylamine
21037-26-3

N-<3,4-dimethyl-6-(phenylazo)phenyl>-D-ribitylamine

riboflavin
83-88-5

riboflavin

Conditions
ConditionsYield
In acetic acid; butan-1-ol for 4h; Heating;74.2%
tetra-O-acetyl riboflavin
752-13-6

tetra-O-acetyl riboflavin

riboflavin
83-88-5

riboflavin

Conditions
ConditionsYield
With calcium methylate
With sodium methylate
1,4-dioxane
123-91-1

1,4-dioxane

BARBITURIC ACID
67-52-7

BARBITURIC ACID

N-<3,4-dimethyl-6-(phenylazo)phenyl>-D-ribitylamine
21037-26-3

N-<3,4-dimethyl-6-(phenylazo)phenyl>-D-ribitylamine

acetic acid
64-19-7

acetic acid

riboflavin
83-88-5

riboflavin

BARBITURIC ACID
67-52-7

BARBITURIC ACID

1-(2-biphenyl-2-ylazo-4,5-dimethyl-anilino)-D-1-deoxy-ribitol
123128-64-3

1-(2-biphenyl-2-ylazo-4,5-dimethyl-anilino)-D-1-deoxy-ribitol

riboflavin
83-88-5

riboflavin

violuric acid
87-39-8

violuric acid

3,4-dimethyl-N-ribitylaniline
3051-94-3

3,4-dimethyl-N-ribitylaniline

riboflavin
83-88-5

riboflavin

Conditions
ConditionsYield
With boric acid
With propionic acid
6,7-dimethyl-8-ribityllumazine
2535-20-8

6,7-dimethyl-8-ribityllumazine

dimethylglyoxal
431-03-8

dimethylglyoxal

riboflavin
83-88-5

riboflavin

4a-Hydroperoxy-7,8-dimethyl-10-((2S,3S,4R)-2,3,4,5-tetrahydroxy-pentyl)-5,10-dihydro-4aH-benzo[g]pteridine-2,4-dione
83959-96-0

4a-Hydroperoxy-7,8-dimethyl-10-((2S,3S,4R)-2,3,4,5-tetrahydroxy-pentyl)-5,10-dihydro-4aH-benzo[g]pteridine-2,4-dione

riboflavin
83-88-5

riboflavin

Conditions
ConditionsYield
In water Rate constant;
4a-(1-Hydroxy-ethylperoxy)-7,8-dimethyl-10-((2S,3S,4R)-2,3,4,5-tetrahydroxy-pentyl)-5,10-dihydro-4aH-benzo[g]pteridine-2,4-dione
132855-95-9

4a-(1-Hydroxy-ethylperoxy)-7,8-dimethyl-10-((2S,3S,4R)-2,3,4,5-tetrahydroxy-pentyl)-5,10-dihydro-4aH-benzo[g]pteridine-2,4-dione

A

1-hydroxyethylhydroperoxide
19393-68-1

1-hydroxyethylhydroperoxide

B

riboflavin
83-88-5

riboflavin

Conditions
ConditionsYield
In water Rate constant;
4a-(2-Hydroxy-2-methyl-propylperoxy)-7,8-dimethyl-10-((2S,3S,4R)-2,3,4,5-tetrahydroxy-pentyl)-5,10-dihydro-4aH-benzo[g]pteridine-2,4-dione
132855-96-0

4a-(2-Hydroxy-2-methyl-propylperoxy)-7,8-dimethyl-10-((2S,3S,4R)-2,3,4,5-tetrahydroxy-pentyl)-5,10-dihydro-4aH-benzo[g]pteridine-2,4-dione

A

peroxy-t-butanol
69515-12-4

peroxy-t-butanol

B

riboflavin
83-88-5

riboflavin

Conditions
ConditionsYield
In water Rate constant;
lampteroflavin
114590-52-2

lampteroflavin

riboflavin
83-88-5

riboflavin

Conditions
ConditionsYield
With hydrogenchloride at 60℃; for 1.33333h;
2,5-diamino-6-hydroxy-4-ribitylaminopyrimidine-5'-phosphate
71491-00-4

2,5-diamino-6-hydroxy-4-ribitylaminopyrimidine-5'-phosphate

dimethylglyoxal
431-03-8

dimethylglyoxal

riboflavin
83-88-5

riboflavin

Conditions
ConditionsYield
1) cell extract of Candida guilliermondii ATCC 9058, phosphatase; 2) riboflavin synthase; Yield given. Multistep reaction;
dimethylglyoxal
431-03-8

dimethylglyoxal

2,5-Diamino-6-ribitylamino-4(3H)-pyrimidinone 5'-phosphate
71491-00-4

2,5-Diamino-6-ribitylamino-4(3H)-pyrimidinone 5'-phosphate

riboflavin
83-88-5

riboflavin

Conditions
ConditionsYield
With phosphate buffer; 1,4-dithio-erythritol; pyrimidine deaminase; riboflavin synthase; magnesium chloride; alkaline phosphatase 1.) 1 h, 37 deg C, 2.) 3 h, 37 deg C; Yield given. Multistep reaction;
riboflavin
83-88-5

riboflavin

Conditions
ConditionsYield
With HEPES buffer; Hg(II)*EDTA In water at 30℃; Rate constant; at pH 7.4;
With C12H13O2(CH3)3(O)(OO) In acetonitrile at 37℃; for 0.166667h; pH=7.4; aq. phosphate buffer; Inert atmosphere;100 %Spectr.
With Lactococcus lactis dihydroorotate dehydrogenase; oxygen Kinetics; Reagent/catalyst; Enzymatic reaction;
pyrimidine-2,4,5,6(1H,3H)-tetraone
61066-33-9, 61066-34-0, 61066-35-1, 61127-23-9

pyrimidine-2,4,5,6(1H,3H)-tetraone

1-<2-amino-4,5-dimethyl-anilino>-D-1-deoxy-ribitol

1-<2-amino-4,5-dimethyl-anilino>-D-1-deoxy-ribitol

riboflavin
83-88-5

riboflavin

Conditions
ConditionsYield
With boric acid; acetic acid
With ethanol; tin(ll) chloride
With ethanol; hydrogen sulfide
With boric acid; acetic acid
5,5-Dichloro-barbituric acid
699-40-1

5,5-Dichloro-barbituric acid

1-<2-amino-4,5-dimethyl-anilino>-D-1-deoxy-ribitol

1-<2-amino-4,5-dimethyl-anilino>-D-1-deoxy-ribitol

riboflavin
83-88-5

riboflavin

Conditions
ConditionsYield
With pyridine
5,5-dibromobarbituric acid
511-67-1

5,5-dibromobarbituric acid

1-<2-amino-4,5-dimethyl-anilino>-D-1-deoxy-ribitol

1-<2-amino-4,5-dimethyl-anilino>-D-1-deoxy-ribitol

riboflavin
83-88-5

riboflavin

Conditions
ConditionsYield
With acetic acid
N-<3,4-dimethyl-6-(phenylazo)phenyl>-D-ribitylamine
21037-26-3

N-<3,4-dimethyl-6-(phenylazo)phenyl>-D-ribitylamine

5,5'-dihydroxy-<5,5'>bipyrimidinyl-2,4,6,2',4',6'-hexaone

5,5'-dihydroxy-<5,5'>bipyrimidinyl-2,4,6,2',4',6'-hexaone

riboflavin
83-88-5

riboflavin

Conditions
ConditionsYield
With hydrogenchloride; palladium on activated charcoal; nitrogen anschliessenden Einwirken von Luft auf die Reaktionsloesung;
<4,5-dimethyl-2-D-ribitol-1-ylamino-phenyl>-carbamic acid ethyl ester

<4,5-dimethyl-2-D-ribitol-1-ylamino-phenyl>-carbamic acid ethyl ester

riboflavin
83-88-5

riboflavin

Conditions
ConditionsYield
With sodium hydroxide Erwaermen des Reaktionsprodukts mit Alloxan in wss. HCl bzw. in Essigsaeure unter Zusatz von Natriumacetat und H3BO3;
With potassium hydroxide Erwaermen des Reaktionsprodukts mit Alloxan in wss. HCl bzw. in Essigsaeure unter Zusatz von Natriumacetat und H3BO3;
hydrogenchloride
7647-01-0

hydrogenchloride

flavin adenine dinucleotide
146-14-5

flavin adenine dinucleotide

A

lumiflavin
1088-56-8

lumiflavin

B

5'-adenosine monophosphate
61-19-8

5'-adenosine monophosphate

C

Flavin mononucleotide
146-17-8

Flavin mononucleotide

D

riboflavin
83-88-5

riboflavin

Conditions
ConditionsYield
Adenin, O5-Phosphono-D-ribose und H3PO4;
water
7732-18-5

water

flavin adenine dinucleotide
146-14-5

flavin adenine dinucleotide

A

lumiflavin
1088-56-8

lumiflavin

B

5'-adenosine monophosphate
61-19-8

5'-adenosine monophosphate

C

Flavin mononucleotide
146-17-8

Flavin mononucleotide

D

riboflavin
83-88-5

riboflavin

Conditions
ConditionsYield
vom pH 3-9;
bei der Einwirkung von Sonnenlicht;
Flavin mononucleotide
146-17-8

Flavin mononucleotide

A

lumiflavin
1088-56-8

lumiflavin

B

riboflavin
83-88-5

riboflavin

C

lumichrome

lumichrome

Conditions
ConditionsYield
mit sichtbares oder ultraviolettes Licht.Irradiation;
riboflavin

riboflavin

riboflavin
83-88-5

riboflavin

Conditions
ConditionsYield
With Escherichia coli ribonucleotide reductase active-R2 form In phosphate buffer at 22℃; pH=7.0; Kinetics; Further Variations:; Reagents; Oxidation;
riboflavin

riboflavin

A

RFH2
13345-95-4

RFH2

B

riboflavin
83-88-5

riboflavin

Conditions
ConditionsYield
In phosphate buffer at 22℃; pH=7.0; Kinetics; disproportionation;
6,7-dimethyl-8-ribityllumazine
2535-20-8

6,7-dimethyl-8-ribityllumazine

A

5-amino-6-(D-ribitylamino)uracil
14036-89-6, 17014-74-3

5-amino-6-(D-ribitylamino)uracil

B

riboflavin
83-88-5

riboflavin

Conditions
ConditionsYield
With ethylenediaminetetraacetic acid; riboflavin synthase from Escherichia coli; 5-(4-phosphonobutyryl)amino-6-D-ribitylaminouracil In phosphate buffer Enzyme kinetics; Further Variations:; Reagents;
With Tris hydrochloride buffer; sodium chloride In dimethyl sulfoxide at 27℃; pH=7.0; Enzyme kinetics; Further Variations:; Reagents;
With recombinant Mycobacterium tuberculosis riboflavin synthase; 2-(2-oxo-1,2-dihydrobenzo[cd]indole-6-sulfonamido)ethyl dihydrogen phosphate; water; tris hydrochloride; sodium chloride; D,L-dithiothreitol In dimethyl sulfoxide at 27℃; for 0.5h; pH=7; Kinetics; Reagent/catalyst; aq. buffer; Enzymatic reaction;
3,4-dimethyl-N-ribitylaniline
3051-94-3

3,4-dimethyl-N-ribitylaniline

A

riboflavin
83-88-5

riboflavin

B

Na2S2O4

Na2S2O4

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: 1.) 34percent aq. HCl, 40percent aq. sodium nitrite, 2.) 20percent aq. sodium acetate / 1.) 15-20 deg C, 2.) 2 h
2: 74.2 percent / butan-1-ol; acetic acid / 4 h / Heating
View Scheme
3,4-dimethyl-N-ribitylaniline
3051-94-3

3,4-dimethyl-N-ribitylaniline

riboflavin
83-88-5

riboflavin

L-ribo-5-(3.4-dimethyl-anilino)-1.2.3.4-tetraacetoxy-pentane
911650-71-0

L-ribo-5-(3.4-dimethyl-anilino)-1.2.3.4-tetraacetoxy-pentane

riboflavin
83-88-5

riboflavin

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: und Behandlung des Reaktionsprodukts mit Natriummethylat in Methanol
View Scheme
Multi-step reaction with 2 steps
1: und Behandlung des Reaktionsprodukts mit Natriummethylat in Methanol
View Scheme
BARBITURIC ACID
67-52-7

BARBITURIC ACID

1-N-D-ribitylamino-3,4-dimethyl-6-phenylazobenzene
21037-26-3, 113473-93-1

1-N-D-ribitylamino-3,4-dimethyl-6-phenylazobenzene

riboflavin
83-88-5

riboflavin

Conditions
ConditionsYield
With Trimethylacetic acid In 2-methyl-propan-1-ol
In 2-methyl-propan-1-ol
In 2-methyl-propan-1-ol
BARBITURIC ACID
67-52-7

BARBITURIC ACID

2-methylpropyl acetate
110-19-0

2-methylpropyl acetate

1-N-D-ribitylamino-3,4-dimethyl-6-phenylazobenzene
21037-26-3, 113473-93-1

1-N-D-ribitylamino-3,4-dimethyl-6-phenylazobenzene

riboflavin
83-88-5

riboflavin

Conditions
ConditionsYield
In 2-methyl-propan-1-ol; acetic acid
acetic anhydride
108-24-7

acetic anhydride

riboflavin
83-88-5

riboflavin

tetra-O-acetyl riboflavin
752-13-6

tetra-O-acetyl riboflavin

Conditions
ConditionsYield
With pyridine at 120℃; for 0.333333h;99%
With perchloric acid In acetic acid at 40℃; for 0.5h;95%
With perchloric acid In acetic acid at 40℃; for 1h; Inert atmosphere;95%
riboflavin
83-88-5

riboflavin

Formylmethylflavin
4250-90-2

Formylmethylflavin

Conditions
ConditionsYield
Stage #1: riboflavin With sulfuric acid; periodic acid In water at 0℃; for 0.5h; Darkness;
Stage #2: With sodium carbonate In water at 18 - 25℃; pH=3.8 - 3.9;
94%
Stage #1: riboflavin With sulfuric acid; periodic acid at 20℃; for 1h;
Stage #2: In toluene Heating; Further stages.;
49%
With sulfuric acid; periodic acid unter Liehtausschluss;
benzaldehyde dimethyl acetal
1125-88-8

benzaldehyde dimethyl acetal

riboflavin
83-88-5

riboflavin

10-(2,6-diphenyl-tetrahydro-[1,3]dioxino[5,4-d][1,3]dioxin-4-ylmethyl)-7,8-dimethyl-10H-benzo[g]pteridine-2,4-dione

10-(2,6-diphenyl-tetrahydro-[1,3]dioxino[5,4-d][1,3]dioxin-4-ylmethyl)-7,8-dimethyl-10H-benzo[g]pteridine-2,4-dione

Conditions
ConditionsYield
With camphor-10-sulfonic acid In N,N-dimethyl-formamide Etherification;90%
(triethylphosphine)chlorogold(I)
15529-90-5

(triethylphosphine)chlorogold(I)

riboflavin
83-88-5

riboflavin

(C2H5)3PAu(C17H19N4O6)*H2O
97860-53-2

(C2H5)3PAu(C17H19N4O6)*H2O

Conditions
ConditionsYield
With NaOH; H2O In water addn. of solid Et3PAuCl to a soln. of riboflavin in aq. NaOH; the mixt.was shaken for 5 min.;; the ppt. was filtered off, washed with H2O, acetone, and Et2O, and dried under vac.; elem. anal.;;90%
riboflavin
83-88-5

riboflavin

10-(2,2-dihydroxylethyl)-7,8-dimethylisoalloxazine
825630-94-2

10-(2,2-dihydroxylethyl)-7,8-dimethylisoalloxazine

Conditions
ConditionsYield
With sodium periodate In water at 25℃; for 17h;86%
With sodium periodate In water at 20℃; for 16h; Darkness;76%
With sodium periodate
With sodium periodate In water for 3h;
With sodium periodate In water at 20℃;
riboflavin
83-88-5

riboflavin

6,7-dimethyl-1-((2S,3S,4R)-2,3,4,5-tetrahydroxypentyl)-1,4-dihydroquinoxaline-2,3-dione
18650-70-9

6,7-dimethyl-1-((2S,3S,4R)-2,3,4,5-tetrahydroxypentyl)-1,4-dihydroquinoxaline-2,3-dione

Conditions
ConditionsYield
Stage #1: riboflavin With sodium hydroxide at 90℃; for 1h;
Stage #2: With dihydrogen peroxide In water at 0 - 20℃; for 12h;
84%
Multi-step reaction with 2 steps
1.1: sodium hydroxide / 1 h / 90 °C / Inert atmosphere
1.2: 0 °C / pH 3 / Inert atmosphere
2.1: sodium hydroxide; dihydrogen peroxide / water / 12 h / 0 - 20 °C / Inert atmosphere
View Scheme
phenylacetic acid
103-82-2

phenylacetic acid

riboflavin
83-88-5

riboflavin

tetraphenylacetyl riboflavin
1043592-39-7

tetraphenylacetyl riboflavin

Conditions
ConditionsYield
With pyridine; trichlorophosphate at 73℃; for 4.5h; Inert atmosphere;82%
acetic anhydride
108-24-7

acetic anhydride

acetic acid
64-19-7

acetic acid

riboflavin
83-88-5

riboflavin

tetra-O-acetyl riboflavin
752-13-6

tetra-O-acetyl riboflavin

Conditions
ConditionsYield
With perchloric acid at 45℃; for 0.666667h; Schlenk technique;80%
With perchloric acid
BOC-glycine
4530-20-5

BOC-glycine

riboflavin
83-88-5

riboflavin

tert-butoxycarbonylaminoacetic acid 2,3,4-tris-(2-tert-butoxycarbonylamino-acetoxy)-5-(7,8-dimethyl-2,4-dioxo-3,4-dihydro-2H-benzo[g]pteridin-10-yl)-pentyl ester

tert-butoxycarbonylaminoacetic acid 2,3,4-tris-(2-tert-butoxycarbonylamino-acetoxy)-5-(7,8-dimethyl-2,4-dioxo-3,4-dihydro-2H-benzo[g]pteridin-10-yl)-pentyl ester

Conditions
ConditionsYield
With dmap; triethylamine; diisopropyl-carbodiimide In N,N-dimethyl-formamide at 50℃; Darkness; Inert atmosphere;78%
riboflavin
83-88-5

riboflavin

6,7-dimethyl-3-oxo-4-((2S,3S,4R)-2,3,4,5-tetrahydroxypentyl)-3,4-dihydroquinoxaline-2-carboxylic acid
64480-68-8

6,7-dimethyl-3-oxo-4-((2S,3S,4R)-2,3,4,5-tetrahydroxypentyl)-3,4-dihydroquinoxaline-2-carboxylic acid

Conditions
ConditionsYield
Stage #1: riboflavin With sodium hydroxide at 90℃; for 1h; Inert atmosphere;
Stage #2: With sulfuric acid In water at 0℃; pH=3; Inert atmosphere;
74%
Stage #1: riboflavin With water; sodium hydroxide at 90℃; for 2h;
Stage #2: With acetic acid at 20℃; pH=6;
41 g
acetone
67-64-1

acetone

riboflavin
83-88-5

riboflavin

7,8-dimethyl-10-(((4S,4'R,5S)-2,2,2',2'-tetramethyl-[4,4'-bi(1,3-dioxolan)]-5-yl)methyl)benzo[g]pteridine-2,4(3H,10H)-dione
95985-96-9

7,8-dimethyl-10-(((4S,4'R,5S)-2,2,2',2'-tetramethyl-[4,4'-bi(1,3-dioxolan)]-5-yl)methyl)benzo[g]pteridine-2,4(3H,10H)-dione

Conditions
ConditionsYield
With toluene-4-sulfonic acid In N,N-dimethyl-formamide at 20℃; for 72h;72%
riboflavin
83-88-5

riboflavin

lumichrome
1086-80-2

lumichrome

Conditions
ConditionsYield
With sodium periodate In water at 50℃; for 24h;70%
With sodium periodate In water at 50℃; for 24h;70%
With methanol; air
n-hexadecanoyl chloride
112-67-4

n-hexadecanoyl chloride

riboflavin
83-88-5

riboflavin

tetra-O-palmitoyl riboflavin
752-75-0

tetra-O-palmitoyl riboflavin

Conditions
ConditionsYield
With dmap at 40℃; for 12h; Inert atmosphere;67%
trityl chloride
76-83-5

trityl chloride

riboflavin
83-88-5

riboflavin

5'-O-Trityl riboflavin
136738-76-6

5'-O-Trityl riboflavin

Conditions
ConditionsYield
With pyridine at 110℃; for 1h;64%
In pyridine at 110℃; for 4h;63.4%
With pyridine
acetaldehyde
75-07-0

acetaldehyde

riboflavin
83-88-5

riboflavin

5-ethyl-1,5-dihydroriboflavin
1083303-50-7

5-ethyl-1,5-dihydroriboflavin

Conditions
ConditionsYield
With palladium 10% on activated carbon; water; hydrogen In ethanol at 20℃; for 168h;62%
4-vinylbenzaldehyde diethyl acetal
93429-66-4

4-vinylbenzaldehyde diethyl acetal

riboflavin
83-88-5

riboflavin

2',4'-p-vinylbenzylideneribo flavin

2',4'-p-vinylbenzylideneribo flavin

Conditions
ConditionsYield
With p-toluenesulfonic acid monohydrate; hydroquinone In N,N-dimethyl-formamide at 80℃; for 3h; Inert atmosphere;56%
benzaldehyde dimethyl acetal
1125-88-8

benzaldehyde dimethyl acetal

riboflavin
83-88-5

riboflavin

10-[(2S,4S,5S,6R)-5-hydroxy-6-(hydroxymethyl)-2-phenyl-1,3-dioxan-4-yl]methyl-7,8-dimethylbenzo[g]pteridine-2,4(3H,10H)-dione
278793-03-6

10-[(2S,4S,5S,6R)-5-hydroxy-6-(hydroxymethyl)-2-phenyl-1,3-dioxan-4-yl]methyl-7,8-dimethylbenzo[g]pteridine-2,4(3H,10H)-dione

Conditions
ConditionsYield
With camphor-10-sulfonic acid In N,N-dimethyl-formamide Etherification;50%
With (1S)-10-camphorsulfonic acid In N,N-dimethyl-formamide at 80℃; Darkness;22%
With camphor-10-sulfonic acid In N,N-dimethyl-formamide at 50℃; under 45.0045 Torr; for 16h;14%
13C10/15N5-adenosine triphosphate

13C10/15N5-adenosine triphosphate

riboflavin
83-88-5

riboflavin

C17(13)C10H33N4(15)N5O15P2

C17(13)C10H33N4(15)N5O15P2

Conditions
ConditionsYield
With Phosphocreatine; creatine phosphokinase from rabbit muscle; corynebacterium ammoniagenes FAD synthetase; 2-amino-2-hydroxymethyl-1,3-propanediol; magnesium chloride In aq. buffer at 25℃; for 24h; pH=7.6; Enzymatic reaction;47%
mono-4-methoxytrityl chloride
14470-28-1

mono-4-methoxytrityl chloride

riboflavin
83-88-5

riboflavin

C37H36N4O7

C37H36N4O7

Conditions
ConditionsYield
With pyridine at 100℃; Inert atmosphere;44%
[2,8-3H]ATP

[2,8-3H]ATP

riboflavin
83-88-5

riboflavin

C27H31(3)H2N9O15P2

C27H31(3)H2N9O15P2

Conditions
ConditionsYield
With Phosphocreatine; creatine phosphokinase from rabbit muscle; corynebacterium ammoniagenes FAD synthetase; ATP; 2-amino-2-hydroxymethyl-1,3-propanediol; magnesium chloride In aq. buffer at 25℃; for 24h; pH=7.6; Enzymatic reaction;40%
n-dodecanoyl chloride
112-16-3

n-dodecanoyl chloride

riboflavin
83-88-5

riboflavin

5'-lauric acid monoester of riboflavin

5'-lauric acid monoester of riboflavin

Conditions
ConditionsYield
With pyridine; triethylamine In 1,4-dioxane; water at 5 - 10℃; for 0.583333h;38.9%
4,4'-dimethoxytrityl chloride
40615-36-9

4,4'-dimethoxytrityl chloride

riboflavin
83-88-5

riboflavin

10-(5-(bis(4-methoxyphenyl)(phenyl)-methoxy)-2,3,4-trihydroxypentyl)-7,8-dimethylbenzo[g]-pteridine-2,4(3H,10H)-dione

10-(5-(bis(4-methoxyphenyl)(phenyl)-methoxy)-2,3,4-trihydroxypentyl)-7,8-dimethylbenzo[g]-pteridine-2,4(3H,10H)-dione

Conditions
ConditionsYield
With pyridine; dmap; triethylamine at 20℃; Inert atmosphere;35%
2,2,2-trichloroethyl butyrate
57392-44-6

2,2,2-trichloroethyl butyrate

riboflavin
83-88-5

riboflavin

riboflavin 5'-monobutyrate
20704-80-7

riboflavin 5'-monobutyrate

Conditions
ConditionsYield
In N,N-dimethyl-formamide at 45℃; for 144h; subtilisin;25%
C28H36N10O15P4

C28H36N10O15P4

riboflavin
83-88-5

riboflavin

C31H39N9O14P2
740066-94-8

C31H39N9O14P2

Conditions
ConditionsYield
In dimethyl sulfoxide at 65℃;12.5%
butanoic acid anhydride
106-31-0

butanoic acid anhydride

riboflavin
83-88-5

riboflavin

A

riboflavin 5'-monobutyrate
20704-80-7

riboflavin 5'-monobutyrate

B

riboflavin 2’,3’,4’,5’-tetrabutanoate
752-56-7

riboflavin 2’,3’,4’,5’-tetrabutanoate

Conditions
ConditionsYield
With pyridine at 37℃; for 14h;A 10%
B n/a
palmitic anhydride
623-65-4

palmitic anhydride

riboflavin
83-88-5

riboflavin

riboflavin-5'-monopalmitate
73130-89-9

riboflavin-5'-monopalmitate

Conditions
ConditionsYield
With pyridine at 120 - 140℃; for 3h;9.8%
Post buying leads

About|Contact|Cas|Product Name|Molecular|Country|Encyclopedia

Message|New Cas|MSDS|Service|Advertisement|CAS DataBase|Article Data|Manufacturers | Chemical Catalog

©2008 LookChem.com,License: ICP

NO.:Zhejiang16009103

complaints:service@lookchem.com Desktop View