Product name: L-Cysteine CAS No.:52-90-4 Molecule Formula:C3H7NO2S Molecule Weight:121.15 Purity: 99.9% Package: 25kg/drum Description:White crystals or crystalline powder Manufacture Standards:AJI/USP Items
Products Description Product Name L-Cysteine Hydrochloride Anhydrous CAS No. 52-89-1 Appearance White crystalline powder Assay
Cas:52-90-4
Min.Order:1 Kilogram
FOB Price: $15.0
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
Cas:52-90-4
Min.Order:1 Kilogram
FOB Price: $3.0
Type:Lab/Research institutions
inquiryWhy is SINOWAY: 1) Specialized in pharmaceutical and healthcare industrial for 34 years. 2) ISO 9001:2015 & SGS audited supplier . 3) Accept various payment terms : T.T 30-60 days. 4) We have warehouse in USA with quickly shipment . 5) We c
Cas:52-90-4
Min.Order:1 Kilogram
Negotiable
Type:Trading Company
inquiryItems Standard Result Appearance White crystals or crystalline powder Complies Identification
Cas:52-90-4
Min.Order:1 Kilogram
FOB Price: $24.0 / 50.0
Type:Trading Company
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:52-90-4
Min.Order:1 Kilogram
Negotiable
Type:Manufacturers
inquirySpecifications CAS No.: 52-90-4 MF: C3H7NO2S EINECS No.: 200-158-2 Place of Origin: Hubei, China (Mainland) Type: Vitamins, Amino Ac
Cas:52-90-4
Min.Order:1 Kilogram
FOB Price: $1000.0 / 8000.0
Type:Other
inquiryUnique advantages of L-Cysteine Cas 52-90-4 Guaranteed purity High quality & competitive price Quality control Fast feedback Prompt shipment Appearance:White crystalline powder Storage:cool dry place Package:1kg/foil bag;25kg/drum A
Cas:52-90-4
Min.Order:25 Kilogram
Negotiable
Type:Trading Company
inquiryHebei yanxi chemical co., LTD is a professional research, development and production . enterprise backbone members by local well-known entrepreneurs and professional senior engineers in the party's "low carbon environmental protection
Cas:52-90-4
Min.Order:1 Kilogram
FOB Price: $11.0 / 16.0
Type:Manufacturers
inquiryL-Cysteine hydrochloride monohydrate Product Description Product Name:L-Cysteine Hydrochloride Monohydrate Other Name: L-cysteine hcl monohydrate; H-Cys-OH.HCl.H2O; H-Cys-OH.HCl.H_2O; L-Cysteine Hcl Mono; L-cysteine hydrochloride
Factory Supply Food Grade L-Cysteine /N-Acetyl 99% Powder Xi'an Quanao Biotech Co., Ltd. is is a global chemical industry manufacturers and suppliers of pharmaceuticals and intermediates, peptide,Nootropis etc API, food and feed additives, her
Cas:52-90-4
Min.Order:1000 Kilogram
FOB Price: $19.8 / 21.6
Type:Manufacturers
inquiryL-Cysteine CAS No.:52-90-4 Name L-Cysteine Synonyms (+)-2-Amino-3-mercaptopropionic acid; L-beta-Mercaptoalanine; CySH Molecular Structure Molecular Formula C3H7NO2S Molecular Weight 121.15 CAS Registry
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
Sales: 1.24hours to reply your E-mail 2.Market information trend share with customers Suggestion for purchase decision Reputation: 1.Implementing contract terms strictly 2.Timely solve any discrepancy or goods claims Take our responsibility for loss
Cas:52-90-4
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:52-90-4
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,
Product Name: L-Cysteine Place of Origin:Shaanxi, China CAS No.:96702-03-3 Other Names: L-Cysteine MF: C3H7NO2S Brand Name:Eastling MOQ:1 Kg Shelf life:24 Months Storage:Cool Dry Place Sample:Available Packaging Details: Aluminum Foil Bag,D
Cas:52-90-4
Min.Order:1 Kilogram
FOB Price: $2.0 / 5.0
Type:Lab/Research institutions
inquiry1. GMP AVALIABLE ; 2. IN STOCK 3. FAST REPLY QUALIFED ; EFFICIENCY; RESPONSIBLE Appearance:white crystalline powder Storage:in cool Package:as request Application:active pharmaceutical ingredient Transportation:Air / SEA BOTH OK Port:
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:52-90-4
Min.Order:1 Kilogram
Negotiable
Type:Other
inquiryColorcom is a global leader in industrial chemical manufacturing and is continuously innovating and transforming to exceed client expectations and industry standards. Colorcom prides itself on superior customer and technical focus, while focusing on
Our 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
Product Name: L-Cysteine Synonyms: L-Alanine, 3-mercapto-;L-Amino-thopro-ponicacid;L-Mercaptoalanine;NSC-8746;Propanoic Acid, 2-amino-3-mercapto-, (R)-;Thioserine;cysteine,b-mercapto-alanine;L-CYSTEINE FREE BASE, BIOTECHNOLOGY & CAS: 52-90-4
Cas:52-90-4
Min.Order:1 Kilogram
FOB Price: $450.0
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 manufactu
Cas:52-90-4
Min.Order:1 Kilogram
FOB Price: $1.0 / 10.0
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:52-90-4
Min.Order:1 Kilogram
FOB Price: $139.0 / 210.0
Type:Trading Company
inquiryMOQ: 1kg Form: Powder Colour: White Test: HPLC Function: Antioxidant Grade: Pharm Appearance:white Storage:room Package:drum Port:Shanghai/Wuhan
Cas:52-90-4
Min.Order:100 Gram
Negotiable
Type:Trading Company
inquiryName: L(+)-Cysteine Synonyms: L-Cysteine Base CAS:52-90-4 MF: C3H7NO2S Appearance: white powder Storage:Store in cool and dry place, away from sun light. Package: 25kgs/drum Application: APIs;Cosmetic Raw Materials, Oral Care Chemicals Trans
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 etc. 3) oem/odm available; 4) rea
Cas:52-90-4
Min.Order:1 Gram
FOB Price: $5.0
Type:Lab/Research institutions
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:52-90-4
Min.Order:1 Gram
Negotiable
Type:Trading Company
inquiryAppearance:white crystalline powder Storage:Room temperature Package:25kg/drum Application:Amino acid Transportation:Express/Sea/Air Port:Any port in china
Cas:52-90-4
Min.Order:25 Kilogram
Negotiable
Type:Lab/Research institutions
inquiryAdvantages: Hubei XinRunde Chemical Co., Ltd is a renowned pharmaceutical manufacturer. We can offer high quality products at competitive price in quick delivery with 100% custom pass guaranteed. Never stop striving to offer our best serv
Cas:52-90-4
Min.Order:10 Gram
Negotiable
Type:Other
inquiryConditions | Yield |
---|---|
With trimethylsilyl trifluoromethanesulfonate; methyl-phenyl-thioether In trifluoroacetic acid at 0℃; for 0.5h; Product distribution; New peptide deprotection procedure: hard-soft acid-base concept; the role of soft bases (thioanisole, dimethylsulfide, diphenylsulfide) employed.; | 100% |
With trifluoroacetic acid In dichloromethane at 20℃; Rate constant; |
Boc-cysteine(4-Me-Bn)
L-Cysteine
Conditions | Yield |
---|---|
With phenylthiotrimethylsilane; pertrimethylsilylated Nafion; 3-methyl-phenol; trifluoroacetic acid for 3h; | 100% |
With ethandithiol; methoxybenzene; thallium(III) trifluoroacetate 1.) trifluoroacetic acid, 0 deg c, 60 min; 2.) 40 deg C, 5 h, pH=7.5 adjusted with 5percent NH4OH; |
S-(2,4,6-trimethylbenzyl)-L-cysteine
L-Cysteine
Conditions | Yield |
---|---|
With hydrogen fluoride; methoxybenzene at 0℃; for 0.5h; Product distribution; various time, reagents and temperature; | 100% |
S-benzyloxymethylcysteine
L-Cysteine
Conditions | Yield |
---|---|
With silver trifluoromethanesulfonate; methoxybenzene In trifluoroacetic acid Product distribution; other reagents; | 100% |
Z(OMe)-Cys(Ad)-OH*DCHA
L-Cysteine
Conditions | Yield |
---|---|
With trimethylsilyl trifluoromethanesulfonate; methyl-phenyl-thioether In trifluoroacetic acid at 0℃; for 0.5h; Product distribution; New peptide deprotection procedure: hard-soft acid-base concept; the role of soft bases (thioanisole, dimethylsulfide, diphenylsulfide) employed.; | 100% |
With ethandithiol; methoxybenzene; thallium(III) trifluoroacetate 1.) trifluoroacetic acid, 0 deg c, 60 min; 2.) 40 deg C, 5 h, pH=7.5 adjusted with 5percent NH4OH; Yield given. Multistep reaction; |
Conditions | Yield |
---|---|
With water at 90℃; Column which a srtongly acidic cation exchanger in the H+ form; | A n/a B 99.6% |
Conditions | Yield |
---|---|
With ethandithiol at 40℃; for 5h; pH=7.5 adjusted with 5 percent NH4OH; | 98.5% |
With ammonia; sodium Reduction; | 90% |
With hydrogenchloride; tin man verduennt die Loesung, befreit sie mit H2S vom Zinn, verdunstet zur Trockne, loest den Rueckstand in Alkohol und faellt vorsichtig mit Ammoniak; |
N-(Carbo-tert-butoxy)-S-tert-butyl-L-cysteine
L-Cysteine
Conditions | Yield |
---|---|
With trimethylsilyl trifluoromethanesulfonate; diphenyl sulfide In trifluoroacetic acid at 0℃; for 0.5h; Product distribution; New peptide deprotection procedure: hard-soft acid-base concept; the role of soft bases (thioanisole, dimethylsulfide, diphenylsulfide) employed.; | 97.1% |
With ethandithiol; methoxybenzene; thallium(III) trifluoroacetate 1.) trifluoroacetic acid, 0 deg c, 60 min; 2.) 40 deg C, 5 h, pH=7.5 adjusted with 5percent NH4OH; Yield given. Multistep reaction; |
Conditions | Yield |
---|---|
With hydrogenchloride; sulfuric acid; hydrogen bromide In water at 45℃; electrolysis (graphite sheets, i = 0.5 A/cm2); | A 94% B n/a |
With hydrogenchloride; sulfuric acid; hydrogen bromide In water at 45℃; Product distribution; Mechanism; paired electrosynthesis (graphite sheets, i = 0.5 A/cm2); | A n/a B 94% |
With hydrogenchloride at 40℃; Electrolysis; |
N-t-butoxycarbonyl-S-acetamidomethyl-L-cysteine
L-Cysteine
Conditions | Yield |
---|---|
With silver tetrafluoroborate; methoxybenzene In trifluoroacetic acid at 4℃; for 1h; | 93% |
Conditions | Yield |
---|---|
In acetone for 1.5h; Heating / reflux; | 92% |
With pyridine; ethanol durch Faellung; | |
With ethanol; ammonia durch Neutralisation; | |
With sodium hydrogencarbonate In water; dimethyl sulfoxide at 20℃; |
L-Cysteine
Conditions | Yield |
---|---|
With dimethyl ether-poly(hydrogen fluoride) at 0℃; for 1h; | 91% |
L-thioproline
L-Cysteine
Conditions | Yield |
---|---|
With hydroxylamine hydrochloride | 83% |
With hydroxylamine hydrochloride In methanol reflux, 120 min, ice bath, 60 min; | 82% |
L-Cysteine
Conditions | Yield |
---|---|
With porcine kidney D-amino acid oxidase (EC 1.4.3.3.); sodium cyanoborohydride; flavin adenine dinucleotide In phosphate buffer at 37℃; | 77% |
2(R,S)-D-gluco-(1',2',3',4',5'-pentahydroxypentyl)-thiazolidine-4(R)-carboxylic acid
L-Cysteine
Conditions | Yield |
---|---|
With hydroxylamine hydrochloride In methanol; water for 2.5h; Heating; | 74% |
(2R,4R)-2-(D-galacto-1,2,3,4,5-Pentahydroxypentyl)-4-thiazolidincarbonsaeure
L-Cysteine
Conditions | Yield |
---|---|
With hydroxylamine hydrochloride In methanol for 3h; Heating; | 73% |
2(RS)-D-manno-(1',2',3',4',5'-pentahydroxypentyl)thiazolidine-4(R)-carboxylic acid
L-Cysteine
Conditions | Yield |
---|---|
With hydrazine hydrate In methanol for 0.5h; Heating; | 69% |
L-cystine
Conditions | Yield |
---|---|
With 3-bromo-2-(1-hydroxycyclohexyl)[1,2]selenazolo[2,3-a]pyridinium chloride; dihydrogen peroxide In methanol; water at 20℃; for 0.166667h; | 100% |
With dihydrogen peroxide; sodium iodide In water at 25℃; for 1h; Cooling with ice; | 100% |
With bis(4-methoxyphenyl)telluride; rose bengal In water; isopropyl alcohol at 0℃; for 0.833333h; Irradiation; | 99% |
Conditions | Yield |
---|---|
With sodium hydrogencarbonate In ethanol; water at 70 - 90℃; for 1h; | 100% |
With sodium hydrogencarbonate | 88% |
Conditions | Yield |
---|---|
With thionyl chloride In methanol for 3h; Reflux; Inert atmosphere; | 100% |
With acetyl chloride at 0℃; for 2h; Reflux; | 96% |
Stage #1: methanol With acetyl chloride at 0℃; for 0.0833333h; Inert atmosphere; Stage #2: L-Cysteine at 20℃; for 36h; Inert atmosphere; | 94% |
L-Cysteine
(R)-2-Amino-3-(4-methoxy-phenylmethanesulfinyl)-propionic acid
L-cystine
Conditions | Yield |
---|---|
With dimethylsulfide; trifluorormethanesulfonic acid In trifluoroacetic acid at 0℃; for 1h; | 100% |
L-Cysteine
cyclohexanecarbaldehyde
(2RS,4R)-cyclohexylthiazolidine-4-carboxylic acid
Conditions | Yield |
---|---|
In ethanol at 20℃; for 5h; | 100% |
Conditions | Yield |
---|---|
With water In water aq. mixt. of educts allowed to evap. at room temp. over 3 d; dried in vac. at room temp.; elem. anal.; | 100% |
L-Cysteine
2-[N-(tert-butoxycarbonyl)aminomethyl]thiazole-4-carbonitrile
(R)-2-(2-tert-butoxycarbonylaminomethyl-thiazol-4-yl)-4,5-dihydrothiazole-4-carboxylic acid
Conditions | Yield |
---|---|
With triethylamine In methanol Reflux; | 100% |
Stage #1: L-Cysteine; 2-[N-(tert-butoxycarbonyl)aminomethyl]thiazole-4-carbonitrile With triethylamine In methanol Reflux; Stage #2: With hydrogenchloride In water pH=~ 3 - 4; | 100% |
Stage #1: L-Cysteine; 2-[N-(tert-butoxycarbonyl)aminomethyl]thiazole-4-carbonitrile With water; sodium hydrogencarbonate In N,N-dimethyl-formamide at 20℃; Inert atmosphere; Stage #2: With formic acid; water In N,N-dimethyl-formamide Inert atmosphere; | 97% |
With triethylamine In methanol at 23℃; for 3h; Reflux; | 97% |
With triethylamine In methanol for 3h; Reflux; | 97% |
L-Cysteine
(2S,4R)-N-allyloxycarbonyl-2-cyano-4-methyl-azetidine
C12H16N2O4S
Conditions | Yield |
---|---|
In methanol at 70℃; for 15h; pH=7; aq. phosphate buffer; Inert atmosphere; | 100% |
L-Cysteine
Conditions | Yield |
---|---|
With sodium hydroxide In tetrahydrofuran; water at 0 - 20℃; for 12h; | 100% |
Conditions | Yield |
---|---|
With gold; cetyltrimethylammonim bromide; silver nitrate; ascorbic acid at 25℃; | 100% |
Conditions | Yield |
---|---|
With sodium hydrogencarbonate In methanol; aq. phosphate buffer at 70℃; for 4h; pH=5.95; | 100% |
Conditions | Yield |
---|---|
With sodium hydroxide at 80℃; pH=9.5; Temperature; Flow reactor; | 100% |
Conditions | Yield |
---|---|
With sodium hydroxide at 80℃; pH=9.5; Temperature; Flow reactor; | 100% |
L-Cysteine
(4R,5aS,7aS,7bR)-5,5a,6,7,7a,7b-hexahydro-7b-hydroxy-4-methyl-indeno[1,7-bc]furan-2(4H)-one
Conditions | Yield |
---|---|
With triethylamine In d(4)-methanol for 24h; | 100% |
With triethylamine In methanol at 20℃; for 30h; |
L-Cysteine
2-[N-(tert-butoxycarbonyl)aminomethyl]thiazole-4-carbonitrile
Conditions | Yield |
---|---|
With triethylamine In methanol Reflux; | 100% |
Conditions | Yield |
---|---|
In water at 20℃; for 1.16667h; Inert atmosphere; | 100% |
L-Cysteine
Conditions | Yield |
---|---|
With hydrogenchloride; Cumene hydroperoxide; tert-butyl (S)-(tetrahydrotellurophen-3-yl)carbamate In dichloromethane; water at 25℃; Flow reactor; | 100% |
L-Cysteine
Methoxycarbonylsulfenyl chloride
Conditions | Yield |
---|---|
In 1,4-dioxane at 0 - 20℃; Inert atmosphere; | 100% |
L-Cysteine
Conditions | Yield |
---|---|
In water pH=2 - 2.43; Inert atmosphere; Cooling with ice; | 100% |
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