Items Standard Result Assay 98%min ----------------------------------------------------------------------------------------------
Cas:319-78-8
Min.Order:1 Gram
FOB Price: $100.0 / 500.0
Type:Manufacturers
inquiryUnique advantages Guaranteed purity High quality & competitive price Quality control Fast feedback Prompt shipment Appearance:White powder Storage:cool dry place Package:25kg/drum Application:biochemical Transportation:by courier/by air/by
Cas:319-78-8
Min.Order:1 Kilogram
Negotiable
Type:Trading Company
inquiry1. 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:319-78-8
Min.Order:1 Gram
FOB Price: $0.1
Type:Manufacturers
inquiryDayangChem 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
Cas:319-78-8
Min.Order:1 Kilogram
FOB Price: $3.0
Type:Lab/Research institutions
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
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
Cas:319-78-8
Min.Order:1 Kilogram
FOB Price: $139.0 / 210.0
Type:Trading Company
inquiryProduct Name D-Isoleucine CAS NO. 319-78-8 Molecular formula C6H13NO2 Molecular weight 131.17 Properties white crystal or crystalline powder Appearance: white powder Storage:Sto
1.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:319-78-8
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiryProduct Name: (2R,3R)-2-Amino-3-methylpentanoic acid CAS: 319-78-8 MF: C6H13NO2 MW: 131.17 EINECS: 206-269-2 Mol File: 319-78-8.mol (2R,3R)-2-Amino-3-methylpentanoic acid Structure (2R,3R)-2-Amino-3-methylpentanoic acid Chemical P
Cas:319-78-8
Min.Order:1 Gram
Negotiable
Type:Lab/Research institutions
inquiry(2R,3R)-2-Amino-3-methylpentanoic acid CAS:319-78-8 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 qual
Cas:319-78-8
Min.Order:1 Gram
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
Best quality & Attractive price & Professional service; Trial & Pilot & Commercial Hisunny Chemical is a leading manufacturer and supplier of chemicals in China. We develop produce and distribute high quality intermediates, specia
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 present
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
Our 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
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
J&H CHEM 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. J&H CHEM has some Manufacturing base in Jia
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
Zibo Hangyu Biotechnology Development Co., Ltd is a leading manufacturer and supplier of chemicals in China. We develop produce and distribute high quality pharmaceuticals, intermediates, special chemicals and OLED intermediates and other fine chemi
Cas:319-78-8
Min.Order:10 Gram
FOB Price: $100.0
Type:Lab/Research institutions
inquiryProduct Name: (2R,3R)-2-Amino-3-methylpentanoic acid Synonyms: D(-)-ISOLEUCINE;D-ISOLEUCINE;H-D-ILE-OH;[-]-2-AMINO-3-METHYLPENTANOIC ACID;(2R,3R)-2-AMINO-3-METHYLPENTANOIC ACID;(r)-isoleucine;d-isoleucin;H-D-lle-OH CAS:
Cas:319-78-8
Min.Order:1 Metric Ton
FOB Price: $20.0
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 qu
Cas:319-78-8
Min.Order:10 Gram
Negotiable
Type:Other
inquiryGMP standard, high purity, competitive price, in stock 1. Quick Response: within 6 hours after receiving your email. 2. Quality Guarantee: All products are strictly tested by our QC, confirmed by QA, and approved by a third-party lab in China, USA,
High quality, competitive price, fast delivery and first-class service we possesses have won the trust and praise of customers. Standard: BP/USP/EP The purity is equal or greater than 99%. As a supplier, we can provide high-quality products. Cle
Cas:319-78-8
Min.Order:1 Metric Ton
Negotiable
Type:Lab/Research institutions
inquiryfactory?direct?saleAppearance:White Powder Storage:Store In Dry, Cool And Ventilated Place Package:25kg/drum, also according to the clients requirement Application:It is widely used as a thickener, emulsifier and stabilizer Transportation:By Sea Or B
Hangzhou Huarong Pharm Co., Ltd.established since 2006 , has been actively developing specialty products for Finished Dosages, APIs, Intermediates, and Fine chemicals markets in North America, Europe, Korea, Japan, Mid-East and all over the World. Hu
Cas:319-78-8
Min.Order:0
Negotiable
Type:Trading Company
inquiryShandong Mopai Biotechnology Co., LTD is a leading manufacturer and supplier of chemicals in China. We develop produce and distribute high quality pharmaceuticals, intermediates, special chemicals and OLED intermediates and other fine chemicals. W
1.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
Appearance:95%+ Package:R&D,Pilot run Transportation:per client require Port:Express ,Air, Sea
High quality,stable supply chain.Appearance:white/off-white or light yellow Storage:Store in cool and dry place, keep away from strong light and heat. Package:aluminum bottle,glass bottle,PTFE bottle,cardboard drum Application:This product can be use
We are a Union of chemistry in China, consists of chemists,engineers, laboratories,factories in China. We organize surplus capacity of R&D and production as well as custom synthesis for chemical products and chemical business project. We are supp
Conditions | Yield |
---|---|
With C13H15NO5V(1-)*C16H36N(1+) In ethanol; water | A 32% B n/a |
With C13H15NO5V(1-)*C16H36N(1+) In ethanol; water | A n/a B 22% |
D-Isoleucine
Conditions | Yield |
---|---|
durch Einw. von gaerender Hefe; | |
crystallization with L-Phe (1:2 ratio) from water-ethanol (pH 5-6) at 25 deg C; | |
Multi-step reaction with 2 steps 2: brucine / man zerlegt in die optisch aktiven Komponenten und erwaermt mit 10prozentiger Salzsaeure auf dem Wasserbad View Scheme |
(-)(2S:3R)-2-bromo-3-methyl-valeric acid
D-Isoleucine
Conditions | Yield |
---|---|
bei Ueberfuehrung in das (Carboxymetyl)-amid, folgender Aminierung und Hydrolyse; |
N-formyl-isoleucine
D-Isoleucine
Conditions | Yield |
---|---|
With brucine man zerlegt in die optisch aktiven Komponenten und erwaermt mit 10prozentiger Salzsaeure auf dem Wasserbad; | |
With brucine man zerlegt in die optisch aktiven Komponenten und erwaermt mit 20prozentiger Bromwasserstoffsaeure; |
N-formyl-D-isoleucine
D-Isoleucine
Conditions | Yield |
---|---|
With hydrogen bromide |
(2R,3R)-2-acetamido-3-methylpentanoic acid
D-Isoleucine
Conditions | Yield |
---|---|
With hydrogenchloride | |
With Escherichia coli D-aminoacylase amano In phosphate buffer at 37℃; for 12h; pH=8.0; | |
Stage #1: (2R,3R)-2-acetamido-3-methylpentanoic acid With hydrogenchloride; water at 80℃; Stage #2: With triethylamine |
Conditions | Yield |
---|---|
Hydrolysis; |
N-chloroacetyl-D-isoleucine
D-Isoleucine
Conditions | Yield |
---|---|
With hydrogenchloride |
Conditions | Yield |
---|---|
With hydrogenchloride; ethanethiol at 110℃; Rate constant; various times; |
(S)-1-phenyl-ethylamine
A
D-allo-isoleucine
B
L-isoleucine
C
D-Isoleucine
D
D-alloisoleucine
Conditions | Yield |
---|---|
Product distribution; Rate constant; multistep reaction; |
(2S,3R)-2-Azido-3-methyl-pentanoic acid (1R,2S,4S)-1-[(dicyclohexylsulfamoyl)-methyl]-7,7-dimethyl-bicyclo[2.2.1]hept-2-yl ester
A
D-allo-isoleucine
B
L-isoleucine
C
D-Isoleucine
D
D-alloisoleucine
Conditions | Yield |
---|---|
With titanium tetrakis(benzyl alkoxide); hydrogen; Pd-BaSO4 1.) benzyl alcohol, 130 gradC 2.) EtOH, EtOAc, 1 atm, r.t.; Yield given. Multistep reaction. Title compound not separated from byproducts; |
1-p-chlorophenylsulphonylimino-2,3-dihydro-9-methyl-1H-pyrrolo<1,2-a>indole
A
dihydro-5-butyl-5-methyl-2-(3H)-furanone
B
5-hexyl-5-methyldihydro-2(3H)-furanone
C
D-Isoleucine
D
L-phenylalanine
Conditions | Yield |
---|---|
With hydrogenchloride; beauverolide Ka; D-amino-acid oxidase; sodium pyrophosphate buffer 1.) 110 deg C, 3 d, 2.) 38 deg C, 1 h; Multistep reaction; |
1-p-chlorophenylsulphonylimino-2,3-dihydro-9-methyl-1H-pyrrolo<1,2-a>indole
A
D-Isoleucine
B
L-phenylalanine
Conditions | Yield |
---|---|
With phosphate buffer; beauverolide Ka; D-amino-acidoxidase; toluene-4-sulfonic acid 1.) 110 deg C, 20 h, 2.)38 deg C, 2 h; Multistep reaction; |
1-p-chlorophenylsulphonylimino-2,3-dihydro-9-methyl-1H-pyrrolo<1,2-a>indole
A
D-Isoleucine
B
L-phenylalanine
C
L-Tryptophan
Conditions | Yield |
---|---|
With phosphate buffer; beauverolide Ka; D-amino-acidoxidase; toluene-4-sulfonic acid 1.) 110 deg C, 20 h, 2.)38 deg C, 2 h; Multistep reaction; |
3-sec-butyl-6-isopropyl-piperazine-2,5-dione
hydrogen bromide
A
D-Val-OH
B
D-Isoleucine
Conditions | Yield |
---|---|
at 115 - 120℃; |
D-Isoleucine
Conditions | Yield |
---|---|
With ammonia; water at 37℃; |
Conditions | Yield |
---|---|
With sulfuric acid |
hydrogen cyanide
(S)-2-methylbutyraldehyde
ammonia
A
D-Isoleucine
B
D-alloisoleucine
Conditions | Yield |
---|---|
Verseifen des entstandenen Aminovaleronitrils; |
Conditions | Yield |
---|---|
-glycine; |
(R)-3-Methyl-pentanoic acid (1R,2S,4S)-1-[(dicyclohexylsulfamoyl)-methyl]-7,7-dimethyl-bicyclo[2.2.1]hept-2-yl ester
D-Isoleucine
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: 67 percent / LDA, Me3SiCl, NBS 2: 93 percent / NaN3 / dimethylformamide / 60 h / Ambient temperature 3: 1.) Ti(OCH2Ph)4 2.) H2 / 2.) Pd/BaSO4 / 1.) benzyl alcohol, 130 gradC 2.) EtOH, EtOAc, 1 atm, r.t. View Scheme |
(2R,3R)-2-Bromo-3-methyl-pentanoic acid (1R,2S,4S)-1-[(dicyclohexylsulfamoyl)-methyl]-7,7-dimethyl-bicyclo[2.2.1]hept-2-yl ester
D-Isoleucine
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 93 percent / NaN3 / dimethylformamide / 60 h / Ambient temperature 2: 1.) Ti(OCH2Ph)4 2.) H2 / 2.) Pd/BaSO4 / 1.) benzyl alcohol, 130 gradC 2.) EtOH, EtOAc, 1 atm, r.t. View Scheme |
Conditions | Yield |
---|---|
With shaking calcined L-Pro chiral ordered mesoporous silica Resolution of racemate; | |
With R-(3,3'-dibromo-1,1'-binaphthyl)-20-crown-6 coated C18 silica gel column at 25℃; pH=2; Resolution of racemate; | |
With capillary electrochromatography open-tubular column coated with 1-allylimidazolium-β-cyclodextrin In aq. acetate buffer at 20℃; pH=8; pH-value; Resolution of racemate; |
calyxamide B
A
L-alanin
B
(S)-2,3-diaminopropionic acid
C
L-isoleucine
D
D-Isoleucine
E
L-glutamine
Conditions | Yield |
---|---|
Stage #1: calyxamide B With dihydrogen peroxide; sodium hydroxide at 65℃; for 0.666667h; Stage #2: With hydrogenchloride; water at 110℃; for 24h; |
cyclo-(-L-Ile-D-Ile-L-Lys-L-Ile-D-Phe-D-Leu-L-Ile-D-Ala-)
A
D-Alanine
B
(R)-leucine
C
L-isoleucine
D
D-Isoleucine
E
L-lysine
F
D-(R)-phenylalanine
Conditions | Yield |
---|---|
With hydrogenchloride In water at 110℃; |
surugamides C
A
D-Alanine
B
L-valine
C
(R)-leucine
D
L-isoleucine
E
D-Isoleucine
F
L-lysine
G
D-(R)-phenylalanine
Conditions | Yield |
---|---|
With hydrogenchloride In water at 110℃; |
surugamides D
A
D-Alanine
B
L-valine
C
(R)-leucine
D
L-isoleucine
E
D-Isoleucine
F
L-lysine
G
D-(R)-phenylalanine
Conditions | Yield |
---|---|
With hydrogenchloride In water at 110℃; |
surugamides E
A
D-Alanine
B
L-valine
C
(R)-leucine
D
L-isoleucine
E
D-Isoleucine
F
L-lysine
G
D-(R)-phenylalanine
Conditions | Yield |
---|---|
With hydrogenchloride In water at 110℃; |
Conditions | Yield |
---|---|
With ammonium metavanadate; salicylaldehyde; sodium hydroxide In water for 6h; pH=11; Reflux; |
Conditions | Yield |
---|---|
In N,N-dimethyl-formamide Microwave irradiation; | 98% |
Conditions | Yield |
---|---|
With triethylamine In methanol at 20℃; for 24h; | 96% |
D-Isoleucine
Boc-D-Ile-OH
Conditions | Yield |
---|---|
With triethylamine In water; acetone for 5h; Ambient temperature; | 95% |
D-Isoleucine
(2R,3R)-2-bromo-3-methylpentanoic acid
Conditions | Yield |
---|---|
With hydrogen bromide; sodium nitrite In water at 0 - 20℃; for 16h; | 95% |
With hydrogen bromide; potassium bromide; sodium nitrite Substitution; | |
With hydrogen bromide; sodium nitrite In water at 0 - 20℃; for 16h; |
D-Isoleucine
(2R,3R)-2-hydroxy-3-methylpentanoic acid
Conditions | Yield |
---|---|
With sulfuric acid; sodium nitrite | 93% |
Stage #1: D-Isoleucine With sodium nitrite In water Stage #2: With sulfuric acid; water | 85% |
With hydrogenchloride; acetic acid; sodium nitrite |
D-Isoleucine
3-(N-benzyloxycarbonyl-L-leucyl)-1,3-thiazolidine-2-thione
Z-L-Leu-D-Ileu-OH
Conditions | Yield |
---|---|
With triethylamine In tetrahydrofuran; water Ambient temperature; | 89% |
9-methoxyacridine
D-Isoleucine
Conditions | Yield |
---|---|
In methanol for 10h; Heating; | 80% |
D-Isoleucine
Conditions | Yield |
---|---|
With triflic azide; potassium carbonate; copper(II) sulfate In methanol; dichloromethane; water at 20℃; | 73% |
Stage #1: D-Isoleucine With triflic azide; potassium carbonate; copper(II) sulfate; potassium hydroxide In methanol; water for 8h; pH=8 - 10; Stage #2: With sulfuric acid In water pH=3.5; |
D-Isoleucine
Conditions | Yield |
---|---|
With sodium carbonate In ethanol; water at 100℃; for 8h; pH=9 - 9.5; | 53% |
D-Isoleucine
toluene-4-sulfonic acid
benzyl alcohol
D-isoleucine benzyl ester p-toluenesulfonate
Conditions | Yield |
---|---|
In benzene at 70 - 115℃; for 5h; Dean-Stark; | 46% |
D-Isoleucine
3-carbamoyl-1-(2,4-dinitrophenyl)pyridinium chloride
Conditions | Yield |
---|---|
With triethylamine In methanol at 20℃; for 24h; | 35.2% |
D-Isoleucine
7-methoxycarbonylpterin
Conditions | Yield |
---|---|
With 1,8-diazabicyclo[5.4.0]undec-7-ene In methanol at 20℃; | 19% |
Conditions | Yield |
---|---|
With acetic acid; triethylamine at 80℃; for 8h; | 15.1% |
methanol
D-Isoleucine
D-Isoleucine methyl ester
Conditions | Yield |
---|---|
With hydrogenchloride | |
With hydrogenchloride at 100℃; for 0.5h; | |
With chloro-trimethyl-silane |
(R)-2-bromopropionyl chloride
D-Isoleucine
Conditions | Yield |
---|---|
With sodium hydroxide; diethyl ether ; |
(R)-2-Bromo-4-methyl-pentanoyl chloride
D-Isoleucine
N-(2-bromo-4-methyl-valeryl)-isoleucine
Conditions | Yield |
---|---|
With sodium hydroxide unter Eiskuehlung; ; |
Conditions | Yield |
---|---|
Aerobe oxydative Desaminierung unter der Einwirkung von D-Aminosaeure-Oxydase-Praeparaten aus tierischen Organen; |
Conditions | Yield |
---|---|
With Sucrose durch Reinzuchthefe; |
Conditions | Yield |
---|---|
durch Einw. von Faeulnisbakterien; |
Conditions | Yield |
---|---|
durch Einw. von Faeulnisbakterien; |
D-Isoleucine
Conditions | Yield |
---|---|
With barium dihydroxide at 180℃; aus dem enthaltenen Gemisch von d-Isoleucin und d-Alloisoleucin entfernt man das erstere durch Vergaeren mit Hefe in Gegenwart von Zucker; d-alloisoleucine; |
D-Isoleucine
(R)-3-methyl-2-oxovaleric acid
Conditions | Yield |
---|---|
With enzyme-substance from pig's kidney |
D-Isoleucine
N-formyl-isoleucine
Conditions | Yield |
---|---|
durch Formylierung; formyl-d-isoleucine; |
D-Isoleucine
A
2-Methylbutylamine
B
3,6-di-sec-butyl-piperazine-2,5-dione
D-Isoleucine
(R)-2-methyl-butyraldehyde-(2,4-dinitro-phenylhydrazone)
D-Isoleucine
N-[(2,4-dichloro-phenoxy)-acetyl]-D-isoleucine
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