Dayangchem's R&D center can offer custom synthesis according to the contract research and development services for the fine chemicals, pharmaceutical, biotechnique and some of the other chemicals. DayangChem can provide different quantities
Cas:59-43-8
Min.Order:1 Kilogram
FOB Price: $3.0
Type:Lab/Research institutions
inquiryHANGZHOU THINK CHEMICAL CO., LTD. (THINKCHEM) is an integrative corporation of trade, research and contract manufacture. With about ten years of business experiences on the marketing & distribution, thinkchem specializes in exp
Cas:59-43-8
Min.Order:25 Kilogram
FOB Price: $23.5 / 25.0
Type:Other
inquiryItems Standard Result Assay (Ursolic acid) 98%min 98.22% -----------------------------------------------------------------------------------------------------------
Cas:59-43-8
Min.Order:1 Gram
FOB Price: $100.0 / 500.0
Type:Trading Company
inquiryHebei yanxi chemical co., LTD is a professional research, development and production 2-phenylacetamide enterprise backbone members by local well-known entrepreneurs and professional senior engineers in the party's "low carbon environ
Cas:59-43-8
Min.Order:100 Gram
FOB Price: $2.0
Type:Manufacturers
inquiryUnique advantages for Thiamine chloride (Vitamin B1) Cas 59-43-8 Guaranteed the purity High quality & competitive price Quality control Fast feedback Prompt shipment Appearance:White or almost white crystalline powder Storage:cool dry place Packa
Cas:59-43-8
Min.Order:25 Kilogram
FOB Price: $45.0 / 50.0
Type:Trading Company
inquiry1, 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
Cas:59-43-8
Min.Order:1 Metric Ton
Negotiable
Type:Trading Company
inquiryThe 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
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
Cas:59-43-8
Min.Order:1 Gram
FOB Price: $0.1
Type:Manufacturers
inquiryShanghai 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
Cas:59-43-8
Min.Order:1 Kilogram
FOB Price: $1.0
Type:Manufacturers
inquiryZorui 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
Cas:59-43-8
Min.Order:1 Kilogram
Negotiable
Type:Other
inquiryOur 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
Cas:59-43-8
Min.Order:5 Kiloliter
FOB Price: $1.2 / 5.0
Type:Manufacturers
inquiryProduct Name: Thiamine chloride Cas No.:59-43-8 MF:C12H17ClN4OS MW:300.81 Purity:99% Appearance: white powder Shelf life:2 years
Cas:59-43-8
Min.Order:1 Kilogram
FOB Price: $105.0 / 110.0
Type:Other
inquiryThiamine chloride Basic information Product Name: Thiamine chloride Synonyms: 3-((4-amino-2-methyl-5-pyrimidinyl)methyl)-5-(2-hydroxyethyl)-4-methylthiazoli;aneurine;apatatedrape;b-amin;
Cas:59-43-8
Min.Order:1 Gram
Negotiable
Type:Lab/Research institutions
inquiryWith 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 manufactu
Cas:59-43-8
Min.Order:1 Kilogram
FOB Price: $1.0 / 10.0
Type:Trading Company
inquiryWITH 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
Cas:59-43-8
Min.Order:1 Kilogram
FOB Price: $139.0 / 210.0
Type:Trading Company
inquiryAdvantage : 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&
Cas:59-43-8
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryProduct Name Vitamin B1 Thiamine chloride CAS 59-43-8 Specification 99% Appearance White Powder Odor Characteristi
We are leading fine chemicals supplier in China with ISO certificate, Our main business covers the fields below: 1.Noble Metal Catalysts (Pt.Pd...) 2.Organic Phosphine Ligands (Tert-butyl-phosphine.Cyclohexyl-phosphine...) 3.OLED
Cas:59-43-8
Min.Order:1 Gram
FOB Price: $2.0
Type:Lab/Research institutions
inquiryOur Adwantage: 1.We have stock so we can delivery quickly at the very day when receive the payment. 2.Best price, first class service, high successful delivery rate. A discount would be given when you make a large order. 3.High quality gua
Cas:59-43-8
Min.Order:10 Gram
Negotiable
Type:Other
inquiry1.No Less 8 years exporting experience. Clients can 100% received goods 2.Lower Price with higher quality 3,Free sample 4,We are sincerely responsible for the "product quality" and "After Service" Upbio is Specialized
Cas:59-43-8
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiryWe are the manufacturers and suppliers of API in China, and warehouse in Germany and USA of California, which can quickly and safely deliver to your address 1.High quality and competitive price. 2.Free sample for your evaluation. 3.Promptly delivery
Cas:59-43-8
Min.Order:10 Gram
FOB Price: $1.32
Type:Trading Company
inquiryPacking: According to customer requirements Delivery time: In stock or depands Port of shipment: Ningbo/Shanghai/Qingdao OEM/ODM:Welcome Sample:We can offer our existing samples at once Appearance:white powder/ Refer to COA Storage:Refer to COA
Cas:59-43-8
Min.Order:1 Kilogram
Negotiable
Type:Trading Company
inquiryOur company has been in existence for 10 years since its establishment. We have our own unique team. The company integrates independent research and development, production and sales. We have established famous brands at home and abroad. At present
Cas:59-43-8
Min.Order:1 Kilogram
FOB Price: $32.0 / 39.0
Type:Trading Company
inquiryThiamine chloride CAS: 59-43-8 Qingdao Belugas Import and Export Co., Ltd. is a scientific and technological company integrating research and development, production and trade of chemical intermediates, specializing in high quality organic intermedi
Cas:59-43-8
Min.Order:1 Gram
Negotiable
Type:Lab/Research institutions
inquiryHello, dear friend! I'm Hansen and Allen from China. Welcome to my lookchem mall! The following is a brief introduction of our company's products and services. If you are interested in our products, please contact us by emai
Cas:59-43-8
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiry1,we produce and sell good chemicals around the world. 2,our success rate is about 95%. this means, if customer order is accepted, the probability that the customer will obtain the ordered substances, is 95%. 3,our staff consists of highly qualifie
Cas:59-43-8
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiryProduct quality: Our company have high quality product , and also the product we have good manufacture . First of all, this product is of fine quality. Every finish should be checked by quality inspection system.And every one should be also tried
Cas:59-43-8
Min.Order:1 Kilogram
FOB Price: $20.0 / 30.0
Type:Trading Company
inquiry1. Timely and efficient service to ensure communication with customers 2. Produce products of different specifications and sizes according to your requirements. 3. Quality procedures and standards recognized by SGS. Advanced plant equipment ensures s
Cas:59-43-8
Min.Order:1 Kilogram
FOB Price: $14.0 / 18.0
Type:Lab/Research institutions
inquiry1)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 etc. 3) OEM/ODM Available;
Cas:59-43-8
Min.Order:1 Kilogram
Negotiable
Type:Trading Company
inquiryPRODUCT DETAILS
Cas:59-43-8
Min.Order:500 Kilogram
FOB Price: $1.0 / 2.0
Type:Lab/Research institutions
inquiryConditions | Yield |
---|---|
With sodium hydroxide In ethanol | 100% |
3-(4-amino-2-methyl-pyrimidin-5-ylmethyl)-5-(2-hydroxy-ethyl)-4-methyl-3H-thiazole-2-thione
vitamin B1
Conditions | Yield |
---|---|
(i) aq. H2O2, (ii) aq. HCl; Multistep reaction; |
3-(4-amino-2-methyl-pyrimidin-5-ylmethyl)-5-(2-hydroxy-ethyl)-2-hydroxymethyl-4-methyl-thiazolium; chloride monohydrochloride
vitamin B1
Conditions | Yield |
---|---|
With hydrogenchloride |
[3-(4-amino-2-methyl-pyrimidin-5-ylmethyl)-3a-methyl-hexahydro-furo[2,3-d]thiazol-2-yl]-phenyl-methanone
vitamin B1
Conditions | Yield |
---|---|
With hydrogenchloride In ethanol; acetone Ambient temperature; |
2-(α-hydroxybenzyl)thiaminium chloride
A
benzoic acid methyl ester
B
vitamin B1
C
benzaldehyde
Conditions | Yield |
---|---|
With potassium hydroxide; oxygen In methanol Mechanism; and under aerobic conditions; |
methanol
2-(α-hydroxybenzyl)thiaminium chloride
A
benzoic acid methyl ester
B
vitamin B1
Conditions | Yield |
---|---|
With thymoquinone; sodium acetate; acetic acid Rate constant; var. conc. of quinone and buffer; var. quinones; | |
With oxygen; sodium acetate; acetic acid at 25℃; Mechanism; Rate constant; |
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: (i) aq. NaOH, H2S, EtOH, (ii) /BRN= 126861/, (iii) /BRN= 1854721/ 2: aq. HCl / ethanol; acetone / Ambient temperature View Scheme |
vitamin B1
Conditions | Yield |
---|---|
With water In water at 20℃; | 90% |
vitamin B1
bis(trifluoromethane)sulfonimide lithium
Conditions | Yield |
---|---|
With water at 20℃; | 89% |
vitamin B1
Conditions | Yield |
---|---|
With pyridine; sulfamate de pentachlorophenyle at 100℃; for 2h; | 86% |
Conditions | Yield |
---|---|
In methanol at 25℃; | 83.3% |
vitamin B1
Conditions | Yield |
---|---|
With water at 20℃; | 83% |
Conditions | Yield |
---|---|
In methanol at 25℃; for 1h; | 80.1% |
Conditions | Yield |
---|---|
With sodium ethanolate In ethanol at -10 - -5℃; for 0.5h; | 80% |
Conditions | Yield |
---|---|
With sodium t-butanolate In tetrahydrofuran at 20℃; for 5h; Reflux; | 80% |
3-(3-oxo-4-androsten-17β-oxycarbonyl)propionic acid
vitamin B1
3-{4-[3-(10,13-dimethyl-3-oxo-2,3,6,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-17-yloxycarbonyl)propionylamino]-2-methyl-pyrimidin-5-ylmethyl}-5-(2-hydroxyethyl)-4-methylthiazol-3-ium chloride
Conditions | Yield |
---|---|
With 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride In water; acetonitrile at 20℃; for 48h; | 73% |
vitamin B1
Conditions | Yield |
---|---|
With iodine In methanol at 25℃; for 0.666667h; | 70% |
vitamin B1
5‐(azidomethyl)‐2‐methylpyrimidin‐4‐amine
Conditions | Yield |
---|---|
Stage #1: vitamin B1 With sodium azide; sodium sulfite In water at 65℃; for 5h; Stage #2: With citric acid In water at 20℃; for 0.5h; pH=Ca. 4; Stage #3: With potassium carbonate In water pH=8; | 65% |
With sodium azide; sodium sulfite In water at 65℃; for 5h; | 63% |
With sodium azide; sodium sulfite In water at 65℃; for 5h; | 63% |
3-pyridinecarboxaldehyde
vitamin B1
[5-(2-hydroxy-ethyl)-4-methyl-thiazol-2-yl]-pyridin-3-yl-methanone
Conditions | Yield |
---|---|
With triethylamine In methanol for 1h; Heating; | 29% |
Conditions | Yield |
---|---|
With sodium thiosulfate In ethanol; water for 1h; Heating; | 25% |
furfural
vitamin B1
A
furil
B
furan-2-yl-[5-(2-hydroxy-ethyl)-4-methyl-thiazol-2-yl]-methanone
C
furoin
Conditions | Yield |
---|---|
With triethylamine; acrylonitrile In ethanol for 2h; | A 3% B 10% C 23% |
With triethylamine; acrylonitrile In ethanol for 2h; Product distribution; other thiamine derivatives, var. solvents, reaction times and temp.; | A 3% B 10% C 23% |
morpholine
carbon disulfide
vitamin B1
morpholine-4-carbodithioic acid 4-amino-2-methyl-pyrimidin-5-ylmethyl ester
furfural
vitamin B1
furan-2-yl-[5-(2-hydroxy-ethyl)-4-methyl-thiazol-2-yl]-methanone
Conditions | Yield |
---|---|
With triethylamine In methanol for 5h; Heating; |
(E)-3-phenylpropenal
methanol
vitamin B1
1-[9-(2-hydroxy-ethyl)-2,9a-dimethyl-5,9,9a,10-tetrahydro-pyrimido[4,5-d]thiazolo[3,4-a]pyrimidin-7-yl]-3-methoxy-3-phenyl-propan-1-one
Conditions | Yield |
---|---|
With triethylamine for 5h; Heating; |
methanol
di-adamantan-1-yl-tetrasulfane
vitamin B1
[6a-adamantan-1-yldisulfanyl-3-(4-amino-2-methyl-pyrimidin-5-ylmethyl)-3a-methyl-hexahydro-furo[2,3-d]thiazol-2-yl]-methanol
Conditions | Yield |
---|---|
(γ-irradiation); |
methanol
vitamin B1
[3-(4-amino-2-methyl-pyrimidin-5-ylmethyl)-3a-methyl-hexahydro-furo[2,3-d]thiazol-2-yl]-phosphonic acid dimethyl ester
Conditions | Yield |
---|---|
(i) Et3N, (ii) diphenyl hydrogen phosphite; Multistep reaction; |
phosgene
vitamin B1
3-(4-amino-2-methyl-pyrimidin-5-ylmethyl)-5-(2-chlorocarbonyloxy-ethyl)-4-methyl-thiazolium; chloride
Conditions | Yield |
---|---|
In acetic acid |
methyl phosphite
vitamin B1
[3-(4-amino-2-methyl-pyrimidin-5-ylmethyl)-3a-methyl-hexahydro-furo[2,3-d]thiazol-2-yl]-phosphonic acid dimethyl ester
Conditions | Yield |
---|---|
(i) Et3N, MeOH, (ii) /BRN= 1697490/; Multistep reaction; |
Ethyl isothiocyanate
vitamin B1
3-(4-amino-2-methyl-pyrimidin-5-ylmethyl)-1',3'-diethyl-3a-methyl-tetrahydro-spiro[furo[2,3-d]thiazole-2,4'-imidazolidine]-2',5'-dithione
Conditions | Yield |
---|---|
With triethylamine In N,N-dimethyl-formamide |
Diethyl phosphonate
vitamin B1
[3-(4-amino-2-methyl-pyrimidin-5-ylmethyl)-3a-methyl-hexahydro-furo[2,3-d]thiazol-2-yl]-phosphonic acid diethyl ester
Conditions | Yield |
---|---|
(i) Et3N, EtOH, (ii) /BRN= 1839985/; Multistep reaction; |
dipropyl phosphite
vitamin B1
[3-(4-amino-2-methyl-pyrimidin-5-ylmethyl)-3a-methyl-hexahydro-furo[2,3-d]thiazol-2-yl]-phosphonic acid dipropyl ester
Conditions | Yield |
---|---|
(i) Et3N, nPrOH, (ii) /BRN= 1840391/; Multistep reaction; |
dibutyl hydrogen phosphite
vitamin B1
[3-(4-amino-2-methyl-pyrimidin-5-ylmethyl)-3a-methyl-hexahydro-furo[2,3-d]thiazol-2-yl]-phosphonic acid dibutyl ester
Conditions | Yield |
---|---|
(i) Et3N, nBuOH, (ii) /BRN= 1840736/; Multistep reaction; |
dibutyl hydrogen phosphite
vitamin B1
A
[3-(4-amino-2-methyl-pyrimidin-5-ylmethyl)-3a-methyl-hexahydro-furo[2,3-d]thiazol-2-yl]-phosphonic acid dibutyl ester
B
[9-(2-hydroxy-ethyl)-2,9a-dimethyl-5,9,9a,10-tetrahydro-pyrimido[4,5-d]thiazolo[3,4-a]pyrimidin-7-yl]-phosphonic acid dibutyl ester
Conditions | Yield |
---|---|
(i) Et3N, nBuOH, (ii) /BRN= 1840736/; Multistep reaction; |
dibenzyl hydrogen phosphite
vitamin B1
[3-(4-amino-2-methyl-pyrimidin-5-ylmethyl)-3a-methyl-hexahydro-furo[2,3-d]thiazol-2-yl]-phosphonic acid dibenzyl ester
Conditions | Yield |
---|---|
(i) Et3N, MeCN, (ii) /BRN= 2132437/; Multistep reaction; |
dibenzyl hydrogen phosphite
vitamin B1
A
[3-(4-amino-2-methyl-pyrimidin-5-ylmethyl)-3a-methyl-hexahydro-furo[2,3-d]thiazol-2-yl]-phosphonic acid dibenzyl ester
B
[9-(2-hydroxy-ethyl)-2,9a-dimethyl-5,9,9a,10-tetrahydro-pyrimido[4,5-d]thiazolo[3,4-a]pyrimidin-7-yl]-phosphonic acid dibenzyl ester
Conditions | Yield |
---|---|
(i) Et3N, MeCN, (ii) /BRN= 2132437/; Multistep reaction; |
di-adamantan-1-yl-tetrasulfane
vitamin B1
5-(6a-adamantan-1-yldisulfanyl-3a-methyl-tetrahydro-furo[2,3-d]thiazol-3-ylmethyl)-2-methyl-pyrimidin-4-ylamine
Conditions | Yield |
---|---|
(γ-irradiation); |
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