1.In No Less 10 years exporting experience. you 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 Specializ
Cas:1518-62-3
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:1518-62-3
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiryHenan Wentao Chemical Product Co.,Ltd is Located in Zhengzhou High-tech Development Zone with import and export license, We passed ISO 9001:2008 as well, Henan Wentao has developed more than 1000 compounds, which are widely used in the fields of prod
Cas:1518-62-3
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryZhenyu biotech exported this product to many countries and regions at best price. if you are looking for the material's manufacturer or supplier in china, zhenyu biotech is your best choice. pls contact with us freely for getting detailed
Cas:1518-62-3
Min.Order:1 Kilogram
FOB Price: $2.0
Type:Lab/Research institutions
inquiry1.Applied in food field.it can improve the immune system and prolong life. 2.Appliedin cosmetic field.it can improve the skin care. 3.Applied in pharmaceutical field.it can treat various dieases. 4.Our product quality assurance will make our customer
Cas:1518-62-3
Min.Order:1 Metric Ton
FOB Price: $7.0 / 8.0
Type:Trading Company
inquiryJ&H CHEM is one of China's leading providers of integrated fine chemical services including offering, research and development, Custom manufacturing business, as well as other Value-added customer services, for diversified range products of chemicals
Cas:1518-62-3
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryhigh purity lowest priceAppearance:solid or liquid Storage:in sealed air resistant place Package:Foil bag; Drum; Plastic bottle Application:Pharma;Industry;Agricultural Transportation:by sea or air Port:Beijing or Guangzhou
Cas:1518-62-3
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiry1.Our services:A.Supply sampleB.The packing also can be according the customers` requirmentC.Any inquiries will be replied within 24 hoursD.we provide Commerical Invoice, Packing List, Bill of loading, COA , Health certificate and Origin certificate.
Cas:1518-62-3
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryAnsciep Chemical is a professional enterprise manufacturing and distributing fine chemicals and speciality chemicals. We have been dedicated to heterocycle compounds and phenyl rings for tens of years. This is our mature product for export. Our quali
Cas:1518-62-3
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquirySupply top quality products with a reasonable price Application:api
2,4-DIHYDROXY-BUTANOIC ACIDAppearance:white crystalline powder Storage:Store in dry, dark and ventilated place Package:25KG drum Application:intermediate Transportation:by air, by sea, by express
factory?direct?saleAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:healing drugs Transportation:By sea Port:Shanghai/tianjin
Cas:1518-62-3
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryfactory?direct?saleAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:healing drugs Transportation:By sea Port:Shanghai/tianjin
Price, service, company and transport advantage: 1. Best service, place of origin China, high quality, and reasonable price. 2. It's customers' right to choose the package (EMS, DHL, FEDEX, UPS). 3. It's customers' right
Shanghai, Run-Biotech Co., Ltd is a leading domestic pharmaceutical, biopharmaceutical, and health care products R & D outsourcing services company. As an innovation-driven and customer-focused company, Run Biotech provides a broad and integrated por
Butanoic acid,2,4-dihydroxy- Storage:Store in dry and cool condition Package:25kg or according to cutomer's demand Application:Chemical research/Pharmaceutical intermediates Transportation:By Sea,by Air,By courier like DHL or Fedx. Port:Shanghai/Shen
Butanoic acid,2,4-dihydroxy-Appearance:Off white to slight yellow solid Storage:Stored in shaded, cool and dry places Package:1L 5L 10L 25L bottle Application:pharma intermediate Transportation:Handle with cares to avoid damaging the packages. Protec
Conditions | Yield |
---|---|
With sodium hydroxide das Lacton entsteht bei Wasserbadtemperatur unter Luftausschluss; inactive form; |
Conditions | Yield |
---|---|
With sodium hydroxide das Lacton entsteht bei Wasserbadtemperatur unter Luftausschluss; inactive form; |
Conditions | Yield |
---|---|
With sodium hydroxide das Lacton entsteht bei Wasserbadtemperatur Luftausschluss; inactive form; |
Conditions | Yield |
---|---|
With sodium hydroxide das Lacton entsteht bei Wasserbadtemperatur unter Luftausschluss; inactive form; |
Conditions | Yield |
---|---|
With barium dihydroxide; water at 60 - 100℃; inactive form; | |
With sodium hydroxide das Lacton entsteht bei Wasserbadtemperatur unter Luftausschluss; inactive form; |
Conditions | Yield |
---|---|
With sodium hydroxide das Lacton entsteht bei Wasserbadtemperatur Luftausschluss; inactive form; | |
With barium dihydroxide; water at 60 - 100℃; inactive form; |
2-hydroxy-4-chlorobutyric acid
2,4-dihydroxybutanoic acid
Conditions | Yield |
---|---|
beim Kochen der waessr. Loesung oder beim Aufbewahren des Ammoniumsalzes; inactive form; |
2,4-dihydroxybutanoic acid
Conditions | Yield |
---|---|
With hydrogen bromide beim Behandeln der Reaktionsprodukte mit Silberoxyd in Wasser; inactive form; |
Conditions | Yield |
---|---|
With sodium hydroxide das Lacton entsteht bei Wasserbadtemperatur unter Luftausschluss; inactive form; |
Conditions | Yield |
---|---|
With lead(II) hydroxide on calcium carbonate In water |
Conditions | Yield |
---|---|
(i) /BRN= 4652394/, DMSO, (ii) H2, Raney-Ni, semicarbazide*HCl, aq. EtOH, (iii) /BRN= 4652394/, aq. HCl, dioxane, (iv) (heating); Multistep reaction; |
D-Fructose
A
formic acid
B
glycolic Acid
C
LACTIC ACID
D
2,4-dihydroxybutanoic acid
E
D-glucose
F
acetic acid
Conditions | Yield |
---|---|
With potassium hydroxide; Na2B2O7 In water at 78℃; for 0.5h; Rate constant; Product distribution; Mechanism; isomerization equilibrium; degradation to acids; varying time, borate molar ratio from 0.4 to 4.0; | A n/a B n/a C n/a D n/a E 10 % Chromat. F n/a |
With potassium hydroxide In water at 78℃; for 0.333333h; Rate constant; Product distribution; Mechanism; isomerization equilibrium; degradation to acids; varying time, OH(1-) concentration 0.001 M to O.1 M; also in presence of Ca(2+) up to 0.06 M; |
D-Fructose
A
formic acid
B
glycolic Acid
C
LACTIC ACID
D
2,4-dihydroxybutanoic acid
E
3-deoxy-D-ribo-hexonic acid
F
acetic acid
Conditions | Yield |
---|---|
With potassium hydroxide In water at 78℃; for 7h; Product distribution; Mechanism; other var. monosaccharines, effects of hydroxyl ion and monosaccharide concentration, effects of inorganic cations and anions, effects of temperature; |
2,4-diaminobutanoic acid
2,4-dihydroxybutanoic acid
Conditions | Yield |
---|---|
With cis-nitrous acid |
D-threose
A
2,4-dihydroxybutanoic acid
B
4-hydroxy-2-oxobutanal
C
Glyceraldehyde
Conditions | Yield |
---|---|
With phosphate buffer; N-Ac-L-Lys-OH at 37℃; Mechanism; var. pH and reaction times, also L-threose, isotopic tracer studies; |
D-glucose
A
formic acid
B
glycolic Acid
C
LACTIC ACID
D
D-Fructose
E
2,4-dihydroxybutanoic acid
F
acetic acid
Conditions | Yield |
---|---|
With potassium hydroxide; Na2B2O7 In water at 78℃; for 0.5h; Rate constant; Product distribution; Mechanism; isomerization equilibrium; degradation to acids; varying time, borate molar ratio from 0.4 to 4.0; | A n/a B n/a C n/a D 50 % Chromat. E n/a F n/a |
2,4-dihydroxybutanoic acid
Conditions | Yield |
---|---|
With hydrogen bromide beim Behandeln der Reaktionsprodukte mit Silberoxyd in Wasser; inactive form; |
D-erythro-2,4-dihydroxy-3-((S)-1-methoxy-2-oxo-ethoxy)-butyraldehyde
water
A
glycolic Acid
B
2,4-dihydroxybutanoic acid
L-1,4-dihydroxy-3-methoxy-butan-2-one
A
2,4-dihydroxybutanoic acid
Conditions | Yield |
---|---|
With calcium hydroxide; water unter Ausschluss von Sauerstoff; |
Conditions | Yield |
---|---|
unter Ausschluss von Luft; |
3-hydroxyoxolan-2-one
2,4-dihydroxybutanoic acid
Conditions | Yield |
---|---|
With potassium hydroxide for 5h; Heating; | 650 mg |
D-Glucose
A
glycolic Acid
B
LACTIC ACID
C
erythrosone
D
3-deoxyglucosone
E
glyceric acid
F
2,4-dihydroxybutanoic acid
G
2,4,5-trihydroxypentanoic acid
H
xylo-3-deoxy-hexonic acid
I
Glyoxal
J
3-hydroxy-2-oxo-propionaldehyde
K
4-hydroxy-2-oxobutanal
L
2,3,4-Trihydroxybutanoic acid
N
2-oxopropanal
Conditions | Yield |
---|---|
With water; oxygen; calcium chloride; magnesium chloride; L-histidine at 121℃; for 1h; Product distribution / selectivity; | |
With water; oxygen; calcium chloride; magnesium chloride; L-histidyl-L-histidine at 121℃; for 1h; Product distribution / selectivity; | |
With water; oxygen; calcium chloride; magnesium chloride; His-Arg at 121℃; for 1h; Product distribution / selectivity; |
glycolaldehyde dimer
A
2,4-dihydroxybutanoic acid
B
vinyl glycolic acid
Conditions | Yield |
---|---|
With tin (IV) chloride pentahydrate In dimethyl sulfoxide at 59.84℃; for 11.6667h; |
C12H17O3S(1+)*Br(1-)
A
2,4-dihydroxybutanoic acid
B
[(methylthio)methyl]-benzene
Conditions | Yield |
---|---|
Stage #1: C12H17O3S(1+)*Br(1-) With sodium hydroxide In water-d2 at 90℃; pH=6; Stage #2: With hydrogenchloride In water |
2,4-dihydroxybutanoic acid
Conditions | Yield |
---|---|
With sodium hydrogencarbonate In water-d2 at 85℃; for 2.66h; |
Conditions | Yield |
---|---|
With nitrogen(II) oxide In water Inert atmosphere; |
Conditions | Yield |
---|---|
durch Umkrystallisieren; inactive form; |
Conditions | Yield |
---|---|
durch Umkrystallisieren; inactive form; |
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