Why Choose Us: 1. Factory direct sales, so we can provide the competitive price and high quality product base on 8 years of production and R&D experience. 2. It is available in stock for quick shipment.Products could be packaged according to cu
Cas:6600-40-4
Min.Order:1 Gram
Negotiable
Type:Other
inquiryThe company serves as a key global supplier of statins intermediates, which has a solid industrial foundation in the field of statins for lipid-lowering drugs, and holds a leading position in the market. Leveraging extensive experience in research an
Cas:6600-40-4
Min.Order:25 Kilogram
Negotiable
Type:Trading Company
inquiryDayangchem'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
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
Cas:6600-40-4
Min.Order:1 Kilogram
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Type:Manufacturers
inquiryProduct description: Product name Norvaline CAS number 6600-40-4 Assay ≥99% Appearance White crystalline powder Capacity 200mt/year Application Pharmaceutical intermediate
High quality L-Norvaline CAS 6600-40-4 with factory price Company profile Wuhan Fortuna Chemical Co.,Ltd established in 2006, is a big integrative chemical enterprise being engaged in Pharmaceutical & its intermediates, Food/Feed additives,
Cas:6600-40-4
Min.Order:10 Kilogram
FOB Price: $10.0
Type:Trading Company
inquiryProduct Name: L-Norvaline Synonyms:L-(+)-2-Aminovaleric acid; L-Nva; (S)-2-amino-pentanoic acid Molecular Formula: C5H11NO2 Molecular Weight: 117.1463 CAS NO: 6600-40-4 EINECS NO: 229-543-3 Grade Standard: Pharma Grade, Food Grade P
he company has advanced technology, as well as a large number of excellent R & D team, to provide customers from the grams to one hundred kilograms and tons of high-quality products, competitive prices and quality se T rvice Appearance:
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
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:6600-40-4
Min.Order:1 Gram
FOB Price: $0.1
Type:Manufacturers
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
1 Factory price 2 High quality 3 Good service 4 Prompt service Appearance:The crystallization Storage:Kept in dry and cool place and from sunlight; Kept the packing intact. Package: 25kg plastic woven bag with inner linning. Application: Food
Cas:6600-40-4
Min.Order:100 Kilogram
FOB Price: $1000.0
Type:Trading Company
inquiryOur Advantage Rich Experience Our products are sold all over Europe,North&South America, Sino-East, Asia and pacific area as well as Africa,we establish long term. Quality service Company cooperates with research institutes. We strictly con
Cas:6600-40-4
Min.Order:1 Kilogram
FOB Price: $1.0 / 10.0
Type:Trading Company
inquiryOur company was built in 2009 with an ISO certificate.In the past 5 years, we have grown up as a famous fine chemicals supplier in China and we had established stable business relationships with Samsung,LG,Merck,Thermo Fisher Scientific and so on.O
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
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Min.Order:10 Gram
FOB Price: $146.0 / 176.0
Type:Trading Company
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
Product name: L-Norvaline/ Norvaline CAS No.: 6600-40-4 Formula: C5H11NO2 EINECS: 229-543-3 Synonyms: 2-Aminovaleric acid;alpha-Aminovaleric acid;alpha-L-Aminopentanoic acid;n-C3H7CH(NH2)COOH;Pentanoic acid, 2-amino-;Pentanoic acid,
Cas:6600-40-4
Min.Order:5 Metric Ton
FOB Price: $1.0 / 2.0
Type:Other
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:6600-40-4
Min.Order:0
Negotiable
Type:Lab/Research institutions
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:6600-40-4
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:6600-40-4
Min.Order:10 Gram
FOB Price: $3.5
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 prese
L-Norvaline CAS:6600-40-4 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,
Cas:6600-40-4
Min.Order:1 Gram
Negotiable
Type:Lab/Research institutions
inquiryWe generally use secure shipping methods that do not require you to do any customs clearance. Free shipping to your address without worrying about any customs issues. We have a professional customs clearance team to 100% guarantee the safe delivery o
Cas:6600-40-4
Min.Order:1 Kilogram
Negotiable
Type:Trading Company
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
Norvaline CAS: 6600-40-4 Specification Item Specification Appearance White Powder Assay 98%min Density 1.2000 (estimate) Melting Point >300 °C(lit.) Welcome to contac
Cas:6600-40-4
Min.Order:1 Kilogram
FOB Price: $100.0 / 150.0
Type:Other
inquiryPRODUCT DETAILS
Cas:6600-40-4
Min.Order:500 Kilogram
FOB Price: $1.0 / 2.0
Type:Lab/Research institutions
inquiryProduct Detail Minimum Order Qty. 10 Gram
Cas:6600-40-4
Min.Order:10 Gram
Negotiable
Type:Trading Company
inquiryOur Services 1. New Molecules R&D 2. Own test center HPLC NMR GC LC-MS 3. API and Intermediates from China reputed manufacturers 4. Documents support COA MOA MSDS DMF open part Our advantages 1. Government awarded company. Top 100 enter
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
Conditions | Yield |
---|---|
With CC10H14NOSCH2CH2CH3N(CH3)2 (5); zinc diacetate In methanol at 30℃; Product distribution; pH 4.00; other reagent; | A 95% B 5% |
With 5-((3-(dimethylamino)propyl)thio)-4-(aminomethyl)-3-hydroxyl-5,6,7,8-tetraquinoline In methanol at 30℃; Product distribution; stereoselective transaminations at pH=4.00, various reagents; | A 96 % Chromat. B 4 % Chromat. |
With C12H18N4O2*ClH; 2,2-diphenylglycine In methanol; water at 20℃; for 6h; enantioselective reaction; | A n/a B n/a |
With isopropylamine In aq. buffer for 48h; pH=7.0; Time; Enzymatic reaction; Overall yield = 90 %; | A n/a B n/a |
(3S,5S,6R)-4-(benzyloxycarbonyl)-5,6-diphenyl-3-(2'-propenyl)-2,3,5,6-tetrahydro-4H-1,4-oxazin-2-one
L-Norvaline
Conditions | Yield |
---|---|
With hydrogen; palladium dichloride In tetrahydrofuran; ethanol under 2068.6 Torr; for 21h; | 93% |
With hydrogen; palladium dichloride In ethanol at 25℃; under 1034.3 Torr; Yield given; |
(1S,2S,5S,9S)-2,10,10-Trimethyl-5-propyl-3-oxa-6-aza-tricyclo[7.1.1.02,7]undec-6-en-4-one
L-Norvaline
Conditions | Yield |
---|---|
With hydrogenchloride In tetrahydrofuran at 70℃; for 3h; | 92% |
Conditions | Yield |
---|---|
With sodium formate; ammonium chloride; NADH In aq. phosphate buffer at 25℃; for 6h; pH=8.0; Kinetics; Reagent/catalyst; Green chemistry; Enzymatic reaction; | 84.1% |
With glutamate dehydrogenase; L-glutamic acid; pyridoxal 5'-phosphate; alcohol dehydrogenases from Bacillus stearothermophilus; branched-chain amino acid aminotransferase; NADH In isopropyl alcohol at 35℃; for 5h; pH=8; Reagent/catalyst; Enzymatic reaction; enantioselective reaction; | 59.1% |
With L-2-aminobutyric acid; branched-chain transaminase from Escherichiacoli; S-selective ω-transaminase from Ochrobactrum anthropi; (3-hydroxy-5-hydroxymethyl)-2-methylisonicotinic acid 5-phosphate; isopropylamine In aq. phosphate buffer for 9h; pH=7; | n/a |
DL-α-alanyl-DL-norvaline
A
L-alanin
B
D-Alanine
C
D-norvaline
D
L-Norvaline
Conditions | Yield |
---|---|
With (S)-1-(N,N-dimethylaminomethyl)-2-formylcymantrene; sodium methylate; copper (I) acetate for 1h; Ambient temperature; | A 78.31% B 21.69% C 60.57% D 39.43% |
With (S)-1-(N,N-dimethylaminomethyl)-2-formylcymantrene; sodium methylate; copper (I) acetate for 3h; Ambient temperature; | A 76.83% B 23.15% C 73.8% D 26.2% |
With (R)-1-(N,N-dimethylaminomethyl)-2-formylcymantrene; sodium methylate; copper (I) acetate for 1h; Ambient temperature; | A 26.8% B 73.2% C 42.16% D 57.84% |
With (R)-1-(N,N-dimethylaminomethyl)-2-formylcymantrene; sodium methylate; copper (I) acetate for 1h; Ambient temperature; | A 26.8% B 73.2% C 42.16% D 57.84% |
tert-butyl-(2S,3S)-1,2-dihydroxyhexan-3-ylcarbamate
L-Norvaline
Conditions | Yield |
---|---|
Stage #1: tert-butyl-(2S,3S)-1,2-dihydroxyhexan-3-ylcarbamate With ruthenium trichloride; sodium periodate In tetrachloromethane; water; acetonitrile for 2h; Stage #2: With hydrogenchloride In tetrahydrofuran for 12h; Heating; | 65% |
(2S)-(N-para-toluenesulphonylamino)pentanoic acid tert-butyl ester
L-Norvaline
Conditions | Yield |
---|---|
With hydrogen bromide; acetic acid; phenol for 24h; Ambient temperature; | 62% |
With hydrogen bromide; acetic acid 1.) phenol, 25 deg C, 24 h; |
((S)-1-Cyano-butyl)-carbamic acid methyl ester
L-Norvaline
Conditions | Yield |
---|---|
With hydrogenchloride In water for 7h; Heating; | 60% |
L-Norvaline
Conditions | Yield |
---|---|
With hydrogen; palladium on carbon In water at 50℃; under 16501.7 Torr; for 47h; | 41.5% |
N-acetylnorvaline
A
L-Norvaline
B
N-acetyl-D-norvaline
Conditions | Yield |
---|---|
With potassium hydroxide; Aspergillus acylase I pH 7.5-8.0; Yields of byproduct given; | A 33% B n/a |
With potassium hydroxide; potassium phosphate buffer; porcine kidney acylase I at 40℃; relative initial rate of hydrolysis, also with Aspergillus acylase I as a catalyst; with or without CoCl2; | |
With lipase AS 'Amano' at 35℃; for 24h; pH=6.5; Enzymatic reaction; enantioselective reaction; | A n/a B n/a |
α-ketovalerate
L-Norvaline
Conditions | Yield |
---|---|
With L-glutamic acid; pyridoxal 5'-phosphate In water at 40℃; for 18h; E.coli Aspartate transaminase, pH 8; | 32% |
With pyridoxal 5'-phosphate; Paracoccus denitrificans ω-transaminase; isopropylamine In aq. phosphate buffer for 1.66667h; pH=7; Enzymatic reaction; |
N-formyl-D,L-norvaline
L-Norvaline
Conditions | Yield |
---|---|
beim Verseifen; | |
Multi-step reaction with 2 steps 2: Hydrolysis View Scheme | |
With water; cobalt(II) chloride for 0.8h; pH=8; Enzymatic reaction; |
N-formyl-L-norvaline
L-Norvaline
Conditions | Yield |
---|---|
Hydrolysis; |
N-acetylnorvaline
L-Norvaline
Conditions | Yield |
---|---|
With (R)-1-phenyl-ethyl-amine | |
With acylase from Aspergillus oryzae; water at 20 - 37℃; |
Conditions | Yield |
---|---|
mit Hilfe eines Enzym-Praeparats aus Schweine-Nieren; |
N,N-dibenzyl-L-norvaline
L-Norvaline
Conditions | Yield |
---|---|
With hydrogenchloride; palladium Hydrogenation; |
N-Acetyl-L-2-aminopentanoic acid
L-Norvaline
Conditions | Yield |
---|---|
With Aspergillus oryzae acylase relative rates; | |
With pig kidney acylase I In phosphate buffer at 37℃; for 0.166667h; pH=7.4; Enzyme kinetics; Deacetylation; |
Conditions | Yield |
---|---|
With potassium hydroxide; potassium phosphate buffer; porcine kidney acylase I at 40℃; relative initial rate of hydrolysis, also with Aspergillus acylase I as a catalyst; with or without CoCl2; |
(R)-2-Azido-pentanoic acid (1S,2R,4R)-1-[(dicyclohexylsulfamoyl)-methyl]-7,7-dimethyl-bicyclo[2.2.1]hept-2-yl ester
A
D-norvaline
B
L-Norvaline
Conditions | Yield |
---|---|
With titanium tetrakis(benzyl alkoxide); hydrogen; Pd-BaSO4 1.) benzyl alcohol, 130 gradC 2.) EtOH, 1 atm, r.t.; Yield given. Multistep reaction. Yields of byproduct given; |
N-Methoxyacetyl norvaline
A
L-Norvaline
B
N-Methoxyacetyl D-norvaline
Conditions | Yield |
---|---|
With potassium hydroxide; potassium phosphate buffer; porcine kidney acylase I at 40℃; relative initial rate of hydrolysis, also with Aspergillus acylase I as a catalyst; with or without CoCl2; |
L-Norvaline
Conditions | Yield |
---|---|
With hydrogen; platinum(IV) oxide In ethanol for 1h; |
diethylaluminium cyanide
(S)-N-(butylidene)-4-methylbenzenesulfinamide
L-Norvaline
Conditions | Yield |
---|---|
With hydrogenchloride 1.) Et2O, from -78 to -15 degC; 2.) reflux; Yield given. Multistep reaction; |
Conditions | Yield |
---|---|
With hydrogenchloride 1.) THF, from -78 to -40 degC; 2.) reflux; Yield given. Multistep reaction; |
Conditions | Yield |
---|---|
With pyridoxal 5'-phosphate In water; tert-butyl alcohol at 40℃; for 4h; alcalase, pH=8.5; Yield given. Yields of byproduct given. Title compound not separated from byproducts; | |
With Alcalase; pyridoxal 5'-phosphate; water In tert-butyl alcohol at 40℃; for 4h; pH=8.5; racemization of D-enantiomer; kinetic res.; Title compound not separated from byproducts; |
(R)-2-((4S,5R)-2-Oxo-4,5-diphenyl-oxazolidin-3-yl)-pent-4-enoic acid benzyl ester
A
D-norvaline
B
L-Norvaline
Conditions | Yield |
---|---|
With hydrogen; palladium dihydroxide In tetrahydrofuran; methanol under 3102.9 Torr; for 10.5h; Yield given. Yields of byproduct given. Title compound not separated from byproducts; |
Conditions | Yield |
---|---|
With phosphate buffer; Humicola amino esterase Ambient temperature; Title compound not separated from byproducts; |
2-{[1-Phenyl-meth-(E)-ylidene]-amino}-pentanoic acid ethyl ester
A
D-norvaline
B
L-Norvaline
Conditions | Yield |
---|---|
With water; chymotrypsin In acetonitrile for 208h; Yield given. Title compound not separated from byproducts; |
DL-norvaline ethyl ester; hydrochloride
L-Norvaline
L-Norvaline
phthalic anhydride
L-Norvaline
(S)-2-(1,3-dioxoisoindolin-2-yl)pentanoic acid
Conditions | Yield |
---|---|
at 135℃; | 100% |
at 140℃; for 0.166667h; | 98% |
With triethylamine In toluene at 130℃; Dean-Stark; | 37% |
at 130℃; |
Conditions | Yield |
---|---|
With caesium carbonate In dimethyl sulfoxide at 90℃; | 100% |
L-Norvaline
2-Nitrobenzenesulfonyl chloride
2-(2-nitro-benzenesulfonylamino)-pentanoic acid
Conditions | Yield |
---|---|
With triethylamine In tetrahydrofuran; water at 20℃; Cooling with ice; | 100% |
Conditions | Yield |
---|---|
In water at 3℃; Darkness; | 99% |
L-Norvaline
ethyl trifluoroacetate,
(S)-2-(2,2,2-trifluoroacetamido)pentanoic acid
Conditions | Yield |
---|---|
With triethylamine In methanol at 20℃; for 24h; | 99% |
Conditions | Yield |
---|---|
With hydrogenchloride Ambient temperature; | 98% |
With hydrogenchloride for 1h; Reflux; | 98% |
With hydrogenchloride for 6h; Reflux; Inert atmosphere; | 97% |
L-Norvaline
trifluoroacetic anhydride
4-propyl-2-(trifluoromethyl)oxazol-5(2H)-one
Conditions | Yield |
---|---|
for 1h; Reflux; | 97% |
L-Norvaline
di-tert-butyl dicarbonate
N-tert-butoxycarbonyl-L-norvaline
Conditions | Yield |
---|---|
Stage #1: L-Norvaline With sodium hydroxide In tetrahydrofuran; water at 0℃; for 0.166667h; Stage #2: di-tert-butyl dicarbonate In tetrahydrofuran; water at 0 - 20℃; for 24h; | 95% |
Stage #1: L-Norvaline With sodium hydroxide In 1,4-dioxane; water for 6h; Stage #2: di-tert-butyl dicarbonate In 1,4-dioxane; water at 20℃; Cooling with ice; | 69.42% |
With sodium hydroxide In 1,4-dioxane at 20℃; |
Conditions | Yield |
---|---|
With toluene-4-sulfonic acid In benzene Heating / reflux; | 95% |
ethanol
L-Norvaline
toluene-4-sulfonic acid
tosylate de L-norvalinate d'ethyle
Conditions | Yield |
---|---|
In benzene for 10h; Heating; | 94% |
Conditions | Yield |
---|---|
With molecular sieve In ethanol under N2; aq. NaOH added to amino acid, soln. stirred at room temp. for 5 min, soln. concd. under vac., residue dried at 60°C (vac., 16 h), molecular sieves (4 Angstroem), ferrocenecarboxaldehyde and EtOH added, mixt. stirred (room temp., 16 h); molecular sieves filtered off, filtrate concd. under vac., residue suspd. in pentane, solid filtered off, washed with pentane, dried under vac.; | 94% |
L-Norvaline
N-hydroxysuccinimide ester of 7-(1-carboxyethoxy)-4-phenylcoumarin
Conditions | Yield |
---|---|
With sodium hydrogencarbonate In tetrahydrofuran; water at 20℃; for 1h; Condensation; | 90.9% |
Conditions | Yield |
---|---|
at 0 - 20℃; | 89% |
Conditions | Yield |
---|---|
With sodium hydroxide In tetrahydrofuran at 0℃; for 1h; | 88.5% |
With sodium hydroxide In tetrahydrofuran at 0℃; for 1h; | 88.5% |
Conditions | Yield |
---|---|
In methanol for 24h; | 88% |
Conditions | Yield |
---|---|
With potassium carbonate In ethanol at 60 - 70℃; diastereoselective reaction; | 88% |
L-Norvaline
4-bromo-1-[(4-methylphenyl)sulfonyl]-1H-indole
Conditions | Yield |
---|---|
With copper(l) iodide; caesium carbonate In dimethyl sulfoxide at 90℃; Inert atmosphere; | 88% |
Conditions | Yield |
---|---|
Stage #1: L-Norvaline; Cyclopentanol at -5℃; for 0.166667h; Cooling with acetone-dry ice; Stage #2: With thionyl chloride at 20 - 60℃; for 42h; | 86% |
Conditions | Yield |
---|---|
With hydrogenchloride | 85% |
With hydrogenchloride Heating; |
L-Norvaline
(S)-2,5-dioxopyrrolidin-1-yl 2-((tert-butoxycarbonyl)amino)butanoate
Conditions | Yield |
---|---|
With sodium hydrogencarbonate In water; acetone at 20℃; | 84% |
L-Norvaline
2-(S)-hydroxyvaleric acid
Conditions | Yield |
---|---|
With sulfuric acid; sodium nitrite In water at 0 - 5℃; for 1h; | 82% |
With hydrogenchloride; acetic acid; sodium nitrite | |
With hydrogenchloride; silver(I) nitrite | |
With hydrogenchloride; acetic acid; sodium nitrite at 0 - 20℃; | |
With sulfuric acid; sodium nitrite In water at 0℃; for 2h; |
L-Norvaline
(2S)-2-chloropentanoic acid
Conditions | Yield |
---|---|
With hydrogenchloride; sodium nitrite In water at 0℃; | 82% |
With hydrogenchloride; sodium nitrite at -5℃; for 15h; |
Conditions | Yield |
---|---|
With hydrogenchloride In potassium hydroxide; water org. compd. dissoln. in aq. KOH soln., aq. Pt-salt soln. addn., ppt. filtration off, concd. HCl addn. to filtrate, mixt. boiling for ca. 5 min, pptn.; ppt. filtration off, washing (HCl 1:1), drying at 100°C; elem. anal.; | 80% |
Conditions | Yield |
---|---|
With sodium carbonate In 1,4-dioxane; water at 20 - 25℃; for 3h; | 78% |
Conditions | Yield |
---|---|
With sodium hydroxide | 77% |
Stage #1: L-Norvaline; benzyl chloroformate With sodium hydrogencarbonate In water at 0 - 20℃; for 24.75h; Inert atmosphere; Stage #2: With hydrogenchloride In water pH=1; | 73% |
With sodium hydroxide; sodium carbonate In water at 0 - 20℃; | |
With lithium hydroxide In water; toluene at 0 - 20℃; for 15h; |
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