Product name: D-Valine CAS No.:640-68-6 Molecule Formula:C5H11NO2 Molecule Weight:117.1463 Purity: 99.4% Package: 25kg/drum Description:White crystals or crystalline powder Manufacture Standards:Enterprise Standard
DayangChem exported this product to many countries and regions at best price. If you are looking for the material's manufacturer or supplier in China, DayangChem is your best choice. Pls contact with us freely for getting detailed product spe
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Cas:640-68-6
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inquiryProduct description: Product name D-Valine CAS number 640-68-6 Assay ≥98% Appearance White crystal Capacity 200mt/year Application Pharmaceutical raw material and pharmaceuti
Unique advantages of D-Valine Cas 640-68-6 Guaranteed purity High quality & competitive price Quality control Fast feedback Prompt shipment Appearance:White to off-white crystalline powder Storage:cool dry place Package:25kg/drum Application
Cas:640-68-6
Min.Order:1 Kilogram
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inquiryCome 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 co
Cas:640-68-6
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inquirySpecifications D-Valine 1.Good quality based on reasonable price 2.Efficient logistics and timely delivery 3.Large annual capacity D-Valine Molecular formula: C5H11NO2 Molecular structure: Molecular weig
Cas:640-68-6
Min.Order:1 Kilogram
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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
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Cas:640-68-6
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inquirySichuan Tongsheng is the most strongest manufacturer and exporter of amino acids and their derivatives in China, we have the best quality and price. Guarantee high quality, competive price and reliable service. We fully compliance with ISO9001:2008,
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Product Name: D-Valine Synonyms: Valine, D-;ALPHA-AMINO-ISOVALERIANIC ACID;H-D-VAL-OH;D-VAL;D-VALINE;D-2-AMINOISOVALERIC ACID;(R)-α-Aminoisovaleric acid, D-2-Amino-3-methylbutanoic acid;D-Valine,α-amino isovaleric acid CAS: 640-68-6
Cas:640-68-6
Min.Order:1 Kilogram
FOB Price: $500.0
Type:Lab/Research institutions
inquiryOur advantages: 1. All inquiries will be replied within 12 hours. 2. Dedication to quality, supply & service. 3. Strictly on selecting raw materials. 4. Reasonable & competitive price, fast lead time. 5. Sample is available for your eva
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Cas:640-68-6
Min.Order:1 Kilogram
FOB Price: $139.0 / 210.0
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inquiryOur Advantage: high quality with competitive price High quality standard: BP/USP/EP Enterprise standard All purity customized Fast and safe delivery We have reliable forwarder who can help us deliver our goods more fast and safe. We
Cas:640-68-6
Min.Order:10 Kilogram
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inquiryProduct name: D-Valine Alias: H-D-Val-OH CAS No.: 640-68-6 Molecular formula: C5H11NO2 Molecular weight: 117.15 Melting point: 302-303ºC Water solubility: 56 g/l (20ºC) Specific rotation: -27.5º(C=5,5NHCL) Uses: D - Valine i
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1.Prompt Goods; 2.Flexible payment terms; 3.Documents & Certificate support. Name: D-Valine Structure: Formula: C5H11NO2 Molecular Weight : 117.15 Synonyms: Valine, D-;ALPHA-AMINO-ISOVALERIANIC ACID;H-D-VAL-OH;D-VAL;D-VALINE;D-2-AMINOISOV
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Our 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 prese
Cas:640-68-6
Min.Order:1 Kilogram
FOB Price: $24.8 / 29.3
Type:Trading Company
inquiryD-Valine CAS:640-68-6 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 intermediates, st
Cas:640-68-6
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
Henan 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
PRODUCT DETAILS
Cas:640-68-6
Min.Order:1000 Kilogram
FOB Price: $1.0 / 2.0
Type:Lab/Research institutions
inquiryTrade Assurance Get full protection for your orders 100% Product quality protection 100% On-time shipment protection 100% Payment protection Appearance:White crystal or crystalline powder Storage:Store at room(18~25℃) temperature. Protect from
Cas:640-68-6
Min.Order:25 Kilogram
FOB Price: $80.0
Type:Lab/Research institutions
inquiryProduct Detail Minimum Order Qty. 10 Gram
Cas:640-68-6
Min.Order:10 Gram
Negotiable
Type:Trading Company
inquiryWe can provide GMP validation service that complies with SFDA, FDA, WHO and EU EMPA.Excellent registration team could help us easlily to register our products in different countries.If you and your customer are interested in some products or need CMO
Cas:640-68-6
Min.Order:1 Gram
Negotiable
Type:Trading Company
inquiryAppearance:White to off-white crystalline powder Storage:room temp Application:1. D-valine can be used for the synthesis of newly efficient pesticide: pyrethroids permethrin and chlorofluorocarbons amyl because of its own biochemical chara
Hangzhou KeyingChem Co., Ltd. exported this product to many countries and regions at best price. If you are looking for the material’s manufacturer or supplier in China, KeyingChem is your best choice. Pls contact with us freely for getting det
Company Introduction 1. Established in 2005, with two independent business divisions: Fine chemicals division; Pharmaceutical division. 2. Main product: Optical brightener Textile auxiliary Dye stuff Pigments
(R)-2-azido-3-methylbutanoic acid
D-Val-OH
Conditions | Yield |
---|---|
With hydrogen; palladium on activated charcoal In water; acetic acid under 760 Torr; for 3h; | 99% |
Conditions | Yield |
---|---|
With [4,4’-bis(1,1-dimethylethyl)-2,2’-bipyridine-N1,N1‘]bis [3,5-difluoro-2-[5-(trifluoromethyl)-2-pyridinyl-N]phenyl-C]iridium(III) hexafluorophosphate; triethyl phosphite In aq. phosphate buffer; acetonitrile at 20℃; for 0.5h; pH=6.5; Irradiation; | 96% |
Conditions | Yield |
---|---|
95% |
D-Val-OH
Conditions | Yield |
---|---|
With lithium hydroxide In tetrahydrofuran at 20℃; for 3h; Hydrolysis; | 88% |
(R)-N-benzylvaline
D-Val-OH
Conditions | Yield |
---|---|
With hydrogen; palladium on activated charcoal In acetic acid for 24h; | 83% |
4-<(2R,5S)-2,5-Dihydro-2-isopropyl-3,6-dimethoxy-5-pyrazinyl>butylamine
A
D-Val-OH
B
L-Lysine hydrochloride
Conditions | Yield |
---|---|
With hydrogenchloride at 70℃; | A n/a B 80% |
With hydrogenchloride at 70℃; |
D-Val-OH
Conditions | Yield |
---|---|
With hydrogenchloride; acetic acid In water; toluene at 105℃; for 42h; | 64% |
D-Val-OH
Conditions | Yield |
---|---|
With ammonia; lithium In tetrahydrofuran; tert-butyl alcohol at -78℃; for 0.5h; | 62% |
(R)-3-Methyl-2-((R)-2-oxo-4-phenyl-oxazolidin-3-yl)-butyric acid
D-Val-OH
Conditions | Yield |
---|---|
With ammonia; lithium In tetrahydrofuran; tert-butyl alcohol at -78℃; for 0.5h; Birch reduction; | 62% |
Conditions | Yield |
---|---|
With D-Alanine; meso-diaminopimelate dehydrogenase; pyridoxal 5'-phosphate; alcohol dehydrogenases from Bacillus stearothermophilus; alcohol dehydrogenases from Thermoanaerobacter brockii; NADH In isopropyl alcohol at 35℃; for 9h; pH=8; Reagent/catalyst; Enzymatic reaction; enantioselective reaction; | 55.6% |
With D-glucose; Bacillus subtilis glucose dehydrogenase; Symbiobacterium thermophilum meso-Diaminopimelate dehydrogenase W121L/H227I mutant; NADP; ammonium chloride In aq. buffer at 37℃; for 24h; pH=8.5; Kinetics; Reagent/catalyst; Enzymatic reaction; | 52% |
With D-amino acid transaminase; D-Alanine; R-selective ω-transaminase from Arthrobacter sp; (3-hydroxy-5-hydroxymethyl)-2-methylisonicotinic acid 5-phosphate; isopropylamine In aq. phosphate buffer for 7h; pH=7; | n/a |
With D-Glucose; Bacillus megaterium glucose dehydrogenase; ammonia; Symbiobacterium thermophilum mesodiaminopimelate dehydrogenase Enzymatic reaction; | n/a |
Conditions | Yield |
---|---|
nickel In water for 1h; Product distribution; Ambient temperature; further amounts of catalyst; | A 45% B n/a |
(-)-1-<(1-cyano-2-methylpropyl)amino>-2R-methyl-5R-(1-methylethenyl)-cyclohexane-1R,3R-dicarbonitrile
D-Val-OH
Conditions | Yield |
---|---|
With hydrogenchloride at 110℃; for 12h; | 23% |
D-Val-OH
Conditions | Yield |
---|---|
With hydrogenchloride for 6h; Heating; | 11% |
Conditions | Yield |
---|---|
durch Vergaerung mit Hefe unter Zusatz von Zucker; | |
mit Hilfe eines Enzym-Praeparats aus Crotalus adamanteus; | |
crystallization with L-Phe (1:2 ratio) from water-ethanol (pH 5-6) at 0 deg C; |
N-formylvaline
D-Val-OH
Conditions | Yield |
---|---|
With brucine anschliessend Hydrolyse des erhaltenen Formyl-l-valins mit 10prozentiger Bromwasserstoffsaeure; |
N-chloroacetyl-D-valine
D-Val-OH
Conditions | Yield |
---|---|
With hydrogenchloride Hydrolysis; | |
In water at 37℃; for 0.166667h; Rate constant; D-aminocyclase from Alcaligenes denitrificans DA181, pH 7.8, bovine serum albumin; |
Conditions | Yield |
---|---|
Yield given. Multistep reaction. Yields of byproduct given. Title compound not separated from byproducts; |
D-Val-OH
Conditions | Yield |
---|---|
With lithium hydroxide; ion exchange 1.) THF; Yield given. Multistep reaction; |
(3R,6R)-2,5-diethoxy-6-isopropyl-3-<1'-13C>-carboxymethyl-3-methyl-6-hydropyrazine
A
D-Val-OH
B
(2R)-<1-13C>-2-amino-2-methylmalonic acid
Conditions | Yield |
---|---|
With hydrogenchloride; sodium hydroxide 1) CH3CN, RT, 18h, 2) 70 deg C, 15 min; Multistep reaction; |
δ-(L-α-aminoadipoyl)-L-serine-D-valine
A
D-Val-OH
B
L-serin
C
L-homoglutamic acid
Conditions | Yield |
---|---|
With hydrogenchloride at 110℃; for 21h; Product distribution; |
(R)-3-Methyl-2-((S)-1-phenyl-ethylamino)-butyric acid
D-Val-OH
Conditions | Yield |
---|---|
With palladium hydroxide - carbon for 24h; Yield given; |
D,L-valine
(S)-2-{(N-benzyl-2-pyrrolidinyl)carbonylamino}benzaldehyde
A
D-Val-OH
B
L-valine
Conditions | Yield |
---|---|
With hydrogenchloride; sodium methylate; nickel(II) nitrate Product distribution; 1.) MeOH, 40 deg C, 24 h, 2.) reflux; |
Conditions | Yield |
---|---|
resolution of underivatized amino acids enantiomers by liquid chromatography using a chiral eluant Cu(L-Pro)2 and a reversed-phase column; other chiral eluants, pH dependence; |
(2S,5S)-N-<(S)-N-bis(methylthio)methylenevalyl>-2,5-bis(methoxymethoxymethyl)pyrrolidine
A
D-Val-OH
B
L-valine
Conditions | Yield |
---|---|
With hydrogenchloride for 4h; Heating; Yield given; |
(R)-2-[((R)-Carboxy-phenyl-methyl)-amino]-3-methyl-butyric acid
D-Val-OH
Conditions | Yield |
---|---|
With hydrogen; palladium on activated charcoal |
(S)-2-<(R)-2-hydroxy-1-phenylethylamino>-3-methylbutanoic acid
A
D-Val-OH
B
L-valine
Conditions | Yield |
---|---|
With formic acid In methanol; water Ambient temperature; Yield given. Yields of byproduct given; |
(2R,2'R)-N-(2'-amino-3'-methylbutanoyl)bornane-10,2-sultam hydrochloride
D-Val-OH
Conditions | Yield |
---|---|
With lithium hydroxide; Amberlite IR-120 1) THF, room temperature, 2) H2O, room temperature, 15 h; Yield given. Multistep reaction; |
A
D-Val-OH
B
(2S,3S)-3-methylaspartic acid
C
erythro-β-methyl-L-aspartate
Conditions | Yield |
---|---|
With hydrogenchloride; sodium hydroxide 1.) acetonitrile, RT, 12 h, 2.) acetonitrile, 70 deg C, 15 min; Yield given. Multistep reaction. Title compound not separated from byproducts; |
Conditions | Yield |
---|---|
Yield given. Multistep reaction. Yields of byproduct given; | |
With hydrogenchloride; sodium hydroxide; S-2-N-(N'-benzylprolyl)aminibenzophenone; sodium methylate 1.) methanol, 2.) DMF, 20 deg C, 30 min, 3.) methanol, reflux; Yield given. Multistep reaction. Yields of byproduct given. Title compound not separated from byproducts; |
Conditions | Yield |
---|---|
With thionyl chloride for 4h; Heating; | 100% |
With thionyl chloride | |
With thionyl chloride at 20℃; |
Conditions | Yield |
---|---|
In water for 0.166667h; pH=Ca. 3.3 - 3.9; Cooling with ice; | 100% |
Conditions | Yield |
---|---|
In toluene for 4h; Reflux; | 99.8% |
D-Val-OH
(R)-2-Hydroxy-3-methylbutyric acid
Conditions | Yield |
---|---|
With sulfuric acid; water; sodium nitrite at 60℃; Flow reactor; | 99% |
With sulfuric acid; sodium nitrite In water at 60℃; under 5171.62 Torr; Inert atmosphere; | 80% |
With sulfuric acid; sodium nitrite In water at 0 - 20℃; for 12h; | 65% |
Conditions | Yield |
---|---|
With sodium hydrogencarbonate In tetrahydrofuran; water for 16h; Reflux; | 99% |
With sodium hydrogencarbonate In water | 94% |
With sodium hydroxide In tetrahydrofuran; water for 2h; | 92% |
Conditions | Yield |
---|---|
In tetrahydrofuran at 45 - 50℃; | 99% |
D-Val-OH
3-chloro-4-fluoro benzotrifluoride
2-(2-chloro-α,α,α-trifluoro-p-toluidino)-3-methylbutyric acid
Conditions | Yield |
---|---|
With potassium carbonate | 99% |
Conditions | Yield |
---|---|
With triethylamine In methanol at 20℃; for 24h; | 98.5% |
Conditions | Yield |
---|---|
With thionyl chloride 1.) -15 deg C, 40 min, 2.) 40 deg C, 2 h; | 98% |
With thionyl chloride at 20℃; | 96% |
With thionyl chloride at 20℃; Inert atmosphere; | 94% |
Conditions | Yield |
---|---|
Stage #1: D-Val-OH With pyridine; chloro-trimethyl-silane In dichloromethane for 1.16667h; Stage #2: n-dodecanoyl chloride In dichloromethane at 0 - 20℃; for 1.83333h; Enzymatic reaction; | 98% |
Stage #1: n-dodecanoyl chloride; D-Val-OH With sodium hydroxide In water; acetone at 0 - 5℃; Stage #2: With hydrogenchloride In water; acetone pH=1; |
Conditions | Yield |
---|---|
With sodium methylate In methanol at 20℃; for 12h; Darkness; | 98% |
D-Val-OH
2,2,2-trifluoroethyl chloroformate
Conditions | Yield |
---|---|
With sodium hydroxide In water; toluene at 5 - 10℃; for 1h; pH=12; | 97.3% |
D-Val-OH
(1S,3E)-5-<(2,5-dioxo-1-pyrrolidinyl)oxy>-1-<(1R,2E)-1-methyl-3-phenyl-2-propenyl>-5-oxo-3-pentenyl-(2S)-<3-<<(1,1-dimethylethoxy)carbonyl>amino>-2,2-dimethyl-1-oxopropoxy>-4-methylpentanoate
N-<(1,1-dimethylethoxy)carbonyl>-2,2-dimethyl-β-alanyl-(2S)-2-hydroxy-4-(methylpentanoyl)-(2E,5S,6R,7E)-5-hydroxy-6-methyl-8-phenyl-2,7-octadienoyl-D-valine
Conditions | Yield |
---|---|
With N,O-bis-(trimethylsilyl)-acetamide In N,N-dimethyl-formamide at 55 - 60℃; | 96% |
Conditions | Yield |
---|---|
With palladium 10% on activated carbon; hydrogen In water at 20℃; under 760.051 Torr; for 120h; | 96% |
With hydrogen; palladium on activated charcoal In water at 20℃; | |
With 5%-palladium/activated carbon; hydrogen In water at 20℃; for 120h; | |
With sodium cyanoborohydride In water for 0.5h; Cooling with ice; |
D-Val-OH
(fluorenylmethoxy)carbonyl chloride
N-(9-fluorenylmethoxycarbonyl)-D-valine
Conditions | Yield |
---|---|
With sodium carbonate In 1,4-dioxane at 0 - 20℃; | 96% |
With sodium carbonate In 1,4-dioxane; water at 0 - 20℃; for 1h; Inert atmosphere; |
Conditions | Yield |
---|---|
With thionyl chloride at 0℃; Reflux; | 95% |
With hydrogenchloride | |
With hydrogenchloride |
[Pd(2-phenylpyridine-C(2),N')(μ-Cl)]2
D-Val-OH
Conditions | Yield |
---|---|
With NaOMe In methanol N2-atmosphere; dropwise addn. of 1 equiv. NaOMe to aminoacid, gentle heating to dissoln., addn. of stoich. amt. Pd-complex, stirring for 14-18 h; centrifugation, solvent removal (vac.), extn. into DMF, solvent removal (vac.), washing (water), drying (vac., 60°C, 9 h); elem. anal.; | 95% |
Conditions | Yield |
---|---|
With sodium hydroxide at 0℃; | 95% |
Conditions | Yield |
---|---|
With sodium methylate In methanol at 20℃; for 24h; Inert atmosphere; | 94.8% |
formaldehyd
D-Val-OH
butane-2,3-dione mono-oxime
(R)-2-(4,5-Dimethyl-3-oxy-imidazol-1-yl)-3-methyl-butyric acid
Conditions | Yield |
---|---|
In ethanol for 3h; Heating; | 94% |
Conditions | Yield |
---|---|
With D-myo-inositol; copper; caesium carbonate In water at 100℃; for 10h; | 94% |
Conditions | Yield |
---|---|
With sodium hydrogencarbonate Acylation; | 93% |
With sodium hydrogencarbonate at 0 - 20℃; | 93% |
With sodium hydrogencarbonate at 0 - 20℃; | 93% |
Conditions | Yield |
---|---|
With pyrographite In tetrahydrofuran at 60℃; for 1h; | 93% |
Conditions | Yield |
---|---|
With p-toluenesulfonyl chloride for 20h; Heating; | 93% |
phthalic anhydride
D-Val-OH
(R)-N-phthaloylvaline
Conditions | Yield |
---|---|
With triethylamine In toluene Heating; | 92% |
at 150℃; | |
With triethylamine In toluene Reflux; Inert atmosphere; |
Conditions | Yield |
---|---|
With lithium borohydride; chloro-trimethyl-silane In tetrahydrofuran at 20℃; for 0.25h; Reduction; | 92% |
With sodium tetrahydroborate; iodine In tetrahydrofuran Inert atmosphere; | 91% |
With lithium aluminium tetrahydride In tetrahydrofuran at 0℃; for 17h; Reflux; | 74% |
D-Val-OH
isobutyraldehyde
butane-2,3-dione mono-oxime
1-α-Carboxyisobutyl-2-isopropyl-4,5-dimethylimidazol-3-oxid
Conditions | Yield |
---|---|
In acetic acid for 1h; Heating; | 92% |
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