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
Cas:70-47-3
Min.Order:1 Kilogram
FOB Price: $3.0
Type:Lab/Research institutions
inquiryWelcome 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:70-47-3
Min.Order:0 Metric Ton
Negotiable
Type:Manufacturers
inquiryUnique advantages for L-asparagine Cas 70-47-3 Guaranteed the purity High quality & competitive price Quality control Fast feedback Prompt shipment Appearance:Powder Storage:Store at 0-5°C Package:25kg/drum Application:Food/Pharm Transpor
Cas:70-47-3
Min.Order:25 Kilogram
FOB Price: $1.0 / 60.0
Type:Trading Company
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 conten
Cas:70-47-3
Min.Order:25 Kilogram
FOB Price: $11.0 / 18.0
Type:Manufacturers
inquirySpecification Specific rotation +39.5 to +41.5° State of solution(transmittance) Clear 98.0% min. Chloride[cl] 0.020% max. Ammonium [NH4]
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:70-47-3
Min.Order:1 Gram
FOB Price: $0.1
Type:Manufacturers
inquiryADVANTAGE: 1. More than 3,000 Chinese medicine reference substances / standard products available from stock, issued on the same day, multiple cities can be delivered the next day 2. The products are provided with COA, HPLC, NMR, quality assurance,
Zorui 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:70-47-3
Min.Order:1 Kilogram
Negotiable
Type:Other
inquiryL-Asparagine Basic information Product Name: L-Asparagine Synonyms: 2-amino-3-carbamoylpropanoic acid;ALPHA-AMINOSUCCINAMIC ACID;H-ASN-OH;L-2-AMINOSUCCINAMIC ACID;L-ASPARTIC ACID 4-AMIDE
Cas:70-47-3
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 manufacturin
Cas:70-47-3
Min.Order:1 Gram
FOB Price: $6.0 / 9.0
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:70-47-3
Min.Order:1 Kilogram
FOB Price: $139.0 / 210.0
Type:Trading Company
inquiryProduct Name CAS NO. anhydrous 70-47-3 Monohydrate 5794-13-8 Molecular formula C4H8N2O3 Molecular weight 150.13 Properties white orthorhombic crystal or crystalline powder. Melting p
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:70-47-3
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiryWuhan hanweishi Pharmchem Co., Ltd(Hanways chempharm) is a specialized company concentrating on the R&D, production, marketing and technical service of APIs and pharmaceutical intermediates. The leading products range are APIs, Hormones, Peptides
Cas:70-47-3
Min.Order:100 Kilogram
FOB Price: $1.0 / 5.0
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:70-47-3
Min.Order:1 Kilogram
FOB Price: $20.0 / 30.0
Type:Trading Company
inquiryL-Asparagine CAS:70-47-3 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:70-47-3
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
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 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:70-47-3
Min.Order:1 Kilogram
FOB Price: $60.0 / 70.0
Type:Trading Company
inquiryOverview of Our Factories Our Factories production lines Our Factories R&D ability Our Factories warehouse Our Factorie
Cas:70-47-3
Min.Order:1 Kilogram
FOB Price: $40.0 / 50.0
Type:Lab/Research institutions
inquiryBest 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
Wuhan BJM Pharm Inc. was found in 2013, located in Hubei Province, where has long history, rich culture, convenient traffic, beautiful environment and preferential policy. We have two factories in Dezhou, Shandong and Xianning, Hubei. The factory
Cas:70-47-3
Min.Order:1 Kilogram
FOB Price: $1.0 / 3.0
Type:Lab/Research institutions
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
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 have s
Hubei Yuanmeng Biological Technology Co., Ltd., which is located in Wuhan, China. We are specializing in the exportation of APIs, and plant extracts ect. Our products has been exported to America, Australia, Brazil, the Europe, Middle East and other
Cas:70-47-3
Min.Order:1 Kilogram
FOB Price: $3.0 / 5.0
Type:Trading Company
inquiryHangzhou 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
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
Packing: 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 Transportation:Express/Sea/Air Port:Ningbo/Shanghai/Qingd
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:70-47-3
Min.Order:10 Gram
FOB Price: $100.0
Type:Lab/Research institutions
inquiryhexan-1-amine
(S)-2-(3,5-Dinitro-4-oxo-4H-pyridin-1-yl)-succinamic acid
A
L-asparagine
B
1-hexyl-3,5-dinitro-4-pyridone
Conditions | Yield |
---|---|
In pyridine Product distribution; | A 96.2% B n/a |
Fmoc-Asn-OH
L-asparagine
Conditions | Yield |
---|---|
With sodium azide In N,N-dimethyl-formamide at 50℃; for 20h; | 90% |
L-asparagine
Conditions | Yield |
---|---|
With ruthenium nanoparticles dispersed in a polyvinylpyrrolidone matrix; amberlyst A-21 In methanol; dichloromethane | 90% |
(+)-β-methyl-L-aspartate hydrochloride
L-asparagine
Conditions | Yield |
---|---|
With ammonia In tetrahydrofuran; methanol; diethyl ether at 25℃; for 96h; | 77% |
With ammonium hydroxide at 30℃; under 750.075 Torr; for 9h; Reagent/catalyst; Temperature; Pressure; | 75% |
Boc-Asn(Boc)-ONBzl
L-asparagine
Conditions | Yield |
---|---|
With hydrogen; palladium on activated charcoal In ethanol Ambient temperature; | 73% |
L-asparagine
Conditions | Yield |
---|---|
With hydrogenchloride In methanol at 70℃; for 20h; | 72% |
Conditions | Yield |
---|---|
With ethanol; ammonia at 100℃; das beim Verdunsten der inaktiven Loesung gleicher Teile von d- und l-Asparagin sich ausscheidende Krystallgemenge der aktiven Asparagine laesst sich mechanisch Auslesen trennen; d-asparagine; |
Conditions | Yield |
---|---|
With trifluoroacetic acid | |
With palladium Hydrogenation; | |
With ethylenediaminetetraacetic acid; phenylmethylsulphonyl fluoride; water In aq. phosphate buffer at 30℃; Kinetics; Reagent/catalyst; Microbiological reaction; Enzymatic reaction; |
N2,N2-phthaloyl-L-asparagine
L-asparagine
Conditions | Yield |
---|---|
With water; hydrazine hydrate |
Nα,Nca-di-tert-butyloxycarbonylasparagine
L-asparagine
Conditions | Yield |
---|---|
With hydrogen bromide In acetic acid |
His-Ser-Asn-Gly
A
L-serin
B
L-asparagine
C
glycine
D
L-histidine
Conditions | Yield |
---|---|
With Tris-HCl buffer In water at 37℃; Product distribution; |
Conditions | Yield |
---|---|
With potassium hydroxide; potassium phosphate buffer; porcine kidney acylase I at 40℃; relative initial rate of hydrolysis; |
L-asparagine
Conditions | Yield |
---|---|
With borax; sodium dihydrogenphosphate at 26℃; Equilibrium constant; |
L-asparagine
Conditions | Yield |
---|---|
With hydrogenchloride; water In acetic acid at 55℃; for 0.5h; |
Conditions | Yield |
---|---|
at 105 - 110℃; |
optically inactive (3,6-dioxo-piperazine-2,5-diyl)-di-acetic acid diamide
A
(R)-Asparagine
B
L-asparagine
Conditions | Yield |
---|---|
at 100℃; inactive 3.6-dioxo-piperazine-diacetic acid-(2.5)-diamide; |
L-asparagine
Conditions | Yield |
---|---|
With methanol; palladium; acetic acid durch Hydrogenolyse; |
Conditions | Yield |
---|---|
-diamide; |
Conditions | Yield |
---|---|
With ammonia; water at 100℃; das beim Verdunsten der inaktiven Loesung gleicher Teile von d- und l-Asparagin sich ausscheidende Krystallgemenge der aktiven Asparagine laesst sich mechanisch Auslesen trennen; d-asparagine; |
Conditions | Yield |
---|---|
With sodium hydrogencarbonate In d7-N,N-dimethylformamide; water-d2 at 20℃; for 3h; | 100% |
With ethanol; sodium hydrogencarbonate |
L-asparagine
Conditions | Yield |
---|---|
In water pH=2 - 2.33; Inert atmosphere; Cooling with ice; | 100% |
Conditions | Yield |
---|---|
With N-ethylmorpholine;; toluene-4-sulfonic acid In methanol complex, amino-acid, sulphonic acid, dimethyl sulphite in methanol was esterified at 70 degree.C for 3 h, then N-ethylmorpholine was added; dild. with water, chromd. on Amberlite IRC 50 column (Na-form), evapn. to dryness, taken up in MeOH, filtration, evapn.; | 99% |
L-asparagine
pivalaldehyde
cis-2-tert-butyl-6(S)-potassium carboxylate-perhydropyrimidin-4-one
Conditions | Yield |
---|---|
With potassium hydroxide | 98% |
With potassium hydroxide Multistep reaction; | |
With potassium hydroxide 1.) 60 deg C, overnight, 0.1 torr, 2.) methanol, reflux; Multistep reaction; |
L-asparagine
α-carbobenzoxy-L-tryptophan p-nitrophenyl ester
N-benzyloxycarbonyl-L-tryptophan-L-asparagine
Conditions | Yield |
---|---|
With triethylamine In tetrahydrofuran; water at 20℃; | 98% |
L-asparagine
Conditions | Yield |
---|---|
With pyridine In water at 20℃; | 98% |
Conditions | Yield |
---|---|
In water | 97% |
L-asparagine
2,4-dihydroxybenzoic acid N-hydroxysuccinimidyl ester
Conditions | Yield |
---|---|
With TEA In N,N-dimethyl-formamide for 12h; Ambient temperature; | 96% |
Conditions | Yield |
---|---|
With triethylamine In water Ambient temperature; | 95% |
Conditions | Yield |
---|---|
In water at 3℃; for 48h; Darkness; | 95% |
Conditions | Yield |
---|---|
In water pH=3.38 - 3.86; Cooling with ice; | 95% |
L-asparagine
p-toluenesulfonyl chloride
N2-(toluene-4-sulfonyl)-L-asparagine
Conditions | Yield |
---|---|
With sodium hydroxide In 1,4-dioxane for 2h; Ambient temperature; | 94% |
With triethylamine In tetrahydrofuran; water for 2h; | 92% |
With sodium hydroxide In 1,4-dioxane a) 0 deg C, 1 h, b) RT, 3 h; | 91% |
Conditions | Yield |
---|---|
With sodium hydroxide In 1,4-dioxane at 0℃; for 0.5h; Condensation; | 93% |
With diethyl ether | |
Stage #1: L-asparagine; benzenesulfonyl chloride With sodium hydroxide In 1,4-dioxane; water at 0℃; for 3h; Stage #2: With hydrogenchloride; water pH=3; |
Conditions | Yield |
---|---|
With thionyl chloride at 0 - 55℃; for 6h; | 92% |
L-asparagine
tetraethylammonium hydroxide
tetraethylammonium L-asparaginate
Conditions | Yield |
---|---|
In water at 20℃; for 2h; | 92% |
In water at 20℃; for 2h; |
Conditions | Yield |
---|---|
With sodium hydrogencarbonate In water at 70℃; for 2h; pH=8.5 - 9; | 92% |
L-asparagine
di-tert-butyl dicarbonate
N-tert-butyloxycarbonylasparagine
Conditions | Yield |
---|---|
With sodium carbonate In 1,4-dioxane; water at 20℃; | 91% |
Stage #1: L-asparagine; di-tert-butyl dicarbonate With sodium carbonate In 1,4-dioxane; water at 20℃; Stage #2: With hydrogenchloride In water pH=2; | 91% |
With sodium carbonate In 1,4-dioxane; water at 25℃; Acylation; | 88% |
L-asparagine
phenyl isothiocyanate
2-(5-oxo-1-phenyl-2-thioxoimidazolidin-4-yl)acetamide
Conditions | Yield |
---|---|
With triethylamine In water; N,N-dimethyl-formamide at 20℃; for 5h; | 91% |
L-asparagine
1,1-dioxobenzo[b]thiophen-2-ylmethyl N-succimidyl carbonate
Bsmoc-Asn-OH
Conditions | Yield |
---|---|
With sodium hydrogencarbonate In acetone Ambient temperature; | 90.4% |
Conditions | Yield |
---|---|
With sodium hydrogencarbonate In water at 20℃; for 0.5h; pH=8.5; | 90.4% |
Conditions | Yield |
---|---|
In methanol; benzene byproducts: water; N2-atmosphere; dropwise addn. of Bu2SnO (in hot C6H6/MeOH=3:1 v/v) to 2 equiv. aminoacid (in hot MeOH), stirring and refluxing for 30 min, then refluxing for 9-10 h with azeotropic distn. off of water; solvent removal (reduced pressure), trituration with petroleum ether, recrystn. (MeOH and petroleum ether); elem. anal.; | 90% |
L-asparagine
Carbonic acid 2-(2,4-dinitro-phenyl)-ethyl ester 4-nitro-phenyl ester
(S)-2-[2-(2,4-Dinitro-phenyl)-ethoxycarbonylamino]-succinamic acid
Conditions | Yield |
---|---|
With sodium carbonate In 1,4-dioxane; water | 89% |
L-asparagine
L-Aspol
Conditions | Yield |
---|---|
With hydrogenchloride; ruthenium-carbon composite; hydrogen at -5 - 30℃; for 14h; | 88.3% |
With hydrogenchloride; ruthenium-carbon composite; hydrogen In water at -5 - 30℃; for 9h; | 86.2% |
With hydrogenchloride; ruthenium-carbon composite; hydrogen In water at 20℃; for 10h; | 82.77% |
L-asparagine
cyclohexyl chloroformate
Conditions | Yield |
---|---|
With sodium hydroxide for 3h; Ambient temperature; | 88% |
Conditions | Yield |
---|---|
With sodium hydrogencarbonate In water at 20℃; for 2h; | 88% |
L-asparagine
N-(9H-fluoren-2-ylmethoxycarbonyloxy)succinimide
Fmoc-Asn-OH
Conditions | Yield |
---|---|
With sodium carbonate In 1,4-dioxane; water at 0 - 20℃; | 87% |
Stage #1: L-asparagine With N-cyclohexyl-cyclohexanamine In acetone at 20℃; Stage #2: N-(9H-fluoren-2-ylmethoxycarbonyloxy)succinimide With sodium carbonate In water; acetonitrile at 0 - 20℃; pH=8; Stage #3: With potassium hydrogensulfate In water; acetonitrile pH=2 - 3; | 59% |
L-asparagine
2,5-dioxopyrrolidin-1-ylquinoline-2-carboxylate
Conditions | Yield |
---|---|
With triethylamine In methanol; water; acetone at 20℃; for 12h; | 87% |
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