1. GMP AVALIABLE ; 2. IN STOCK 3. FAST REPLY QUALIFED ; EFFICIENCY; RESPONSIBLE Appearance:WHITE POWDER Storage:in cool Package:25kg/drum / 25kg/bag Application:active pharmaceutical ingredient Transportation:sea/air both ok Port:any
Product name: S-Carboxymethyl-L-Cysteine CAS No.:638-23-3 Molecule Formula:C5H9NO4S Molecule Weight:179.1943 Purity: 99.8% Package: 25kg/drum Description:White or almost white crystalline Manufacture Standards:USP/EP
Cas:638-23-3
Min.Order:1 Kilogram
Negotiable
Type:Trading Company
inquiryAs a leading manufacturer and supplier of chemicals in China, DayangChem not only supply popular chemicals, but also DayangChem's R&D center offer custom synthesis services. DayangChem can provide different quantities of custom synthesis ch
Cas:638-23-3
Min.Order:1 Kilogram
FOB Price: $3.0
Type:Lab/Research institutions
inquiryCarbocysteine 1.CAS:638-23-3 2.Quality standard:EP6,DMF.GMP, 3. Chemical name: S-Carboxymethyl-L-Cysteine 4.Purity 99% up Our company SINOWAY advantages : 1) ISO 9001:2015 & SGS audited supplier 2) Established in 1987, exported 35 years
Cas:638-23-3
Min.Order:1 Kilogram
Negotiable
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:638-23-3
Min.Order:1 Kilogram
Negotiable
Type:Manufacturers
inquiryItems Standard Result Assay (Ursolic acid) 98%min 98.22% ----------------------------------------------------------------
Cas:638-23-3
Min.Order:1 Gram
FOB Price: $100.0 / 500.0
Type:Trading Company
inquiryUnique advantages 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 Application:medicine raw material T
Cas:638-23-3
Min.Order:1 Kilogram
Negotiable
Type:Trading Company
inquiryHebei yanxi chemical co. LTD. has expanded a compositive entity from initially only as a small manufacturer. The company dedicated to the development, production and marketing of chemicals. After many years of efforts, we have established stable
Good quality Competitive price On time delivery Our Advantages: Full experience of large numbers containers loading in main Chinese seaports Packing with pallet as buyer's special request Best service after shipment with e-mai
Cas:638-23-3
Min.Order:1 Kilogram
Negotiable
Type:Trading Company
inquiryhigh quality Appearance:White or off-white Solid Storage:Sealed, dry, microtherm , avoid light and smell. Package:According to the demand of customer Application:Organic synthesis Transportation:by air or by sea Port:shanghai
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:638-23-3
Min.Order:1 Gram
FOB Price: $0.1
Type:Manufacturers
inquiryShanghai Seasonsgreen Chemical is a high-tech research and development, production, sale and custom synthesis set in one high-tech chemical products enterprises. Our sales and marketing division is located in Shanghai, serving international pharmaceu
Cas:638-23-3
Min.Order:1 Kilogram
FOB Price: $1.0
Type:Manufacturers
inquiryAdvantage: 1, Have the competitive price and good quanlity products 2. Specialized in the API and pharmaceuticals, Custom Synthesis 3. A leading manufacturer and trader of APIs in China 4. Our success rate
Cas:638-23-3
Min.Order:1 Kilogram
Negotiable
Type:Manufacturers
inquiryZorui 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:638-23-3
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
Cas:638-23-3
Min.Order:1 Metric Ton
Negotiable
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
Cas:638-23-3
Min.Order:5 Kiloliter
FOB Price: $1.2 / 5.0
Type:Manufacturers
inquiryName:S-Carboxymethyl-L-Cysteine CAS NO: 638-23-3 Grade:Medical scientific research and export Molecular formula:C5H9NO4S Molecular weight:179.19 Product Quality 12 years of chemical raw materials Mature operation of the industry Syste
Cas:638-23-3
Min.Order:25 Kilogram
FOB Price: $2.0 / 3.0
Type:Other
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
Cas:638-23-3
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiryProduct Description Product name S-Carboxymethyl-L-cysteine CAS 638-23-3 Assay 99% Appearance white pow
Cas:638-23-3
Min.Order:1 Kilogram
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:638-23-3
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:638-23-3
Min.Order:1 Kilogram
FOB Price: $139.0 / 210.0
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
Cas:638-23-3
Min.Order:10 Kilogram
Negotiable
Type:Trading Company
inquiryProduct name Carboxymethylcysteine Appearance White Powder Specification 99% Solubility Water Soluable Appearance:White powder Stor
Appearance:White crystalline powder Storage:R.T Package:25kg/drum Application:Expectorant Transportation:Express/Sea/Air Port:Any port in China
Cas:638-23-3
Min.Order:25 Kilogram
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:638-23-3
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiryPacking: 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 Appearance:white powder/ Refer to COA Storage:Refer to COA
Cas:638-23-3
Min.Order:1 Kilogram
Negotiable
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:638-23-3
Min.Order:1 Kilogram
FOB Price: $45.0 / 50.0
Type:Trading Company
inquiryBeluga chemical professional supply High quality Carbocisteine CAS 638-23-3 1. Beluga Chemical has a professional RESEARCH and development team and strong technical force to ensure technical support and research capabilities. 2. Made in China an
Cas:638-23-3
Min.Order:1 Gram
Negotiable
Type:Lab/Research institutions
inquiryWe have overseas warehouses in California, New Laredo Mexico, Vancouver Canada, Amsterdam Netherlands, and Melbourne Australia. Overseas warehouses can provide some of the best-selling products. We look forward to the cooperation of local powerful d
Cas:638-23-3
Min.Order:1 Kilogram
Negotiable
Type:Trading Company
inquiryDL-cysteine hydrochloride
carbocisteine
Conditions | Yield |
---|---|
With Iodoacetic acid | 100% |
Conditions | Yield |
---|---|
With ammonia; sodium carbonate; sodium sulfite In water at 55℃; for 0.5h; pH=3 - 7.3; pH-value; Concentration; Reagent/catalyst; Temperature; | 96.7% |
Conditions | Yield |
---|---|
With ammonia; ammonium bicarbonate In water at 20 - 50℃; for 0.5h; pH=7.5; Reagent/catalyst; Temperature; pH-value; Large scale; | 96% |
Conditions | Yield |
---|---|
in schwach alkalischer oder neutraler wss. Loesung; | |
In water at 20℃; for 0.25h; |
Conditions | Yield |
---|---|
in schwach alkalischer oder neutraler wss. Loesung; |
Conditions | Yield |
---|---|
With sodium hydroxide; zinc at 30℃; | |
With sodium amide In ammonia | |
With ammonia; sodium |
sodium monochloroacetic acid
2-amino-(2)-thiazoline-4-carboxylic acid
carbocisteine
Conditions | Yield |
---|---|
at 26℃; for 8h; potassium phosphate buffer pH 8.0, Pseudomonas desmolitica AJ 11898; |
Conditions | Yield |
---|---|
With Tris-HCl buffer at 30℃; for 0.166667h; β-cyano-L-alanine synthase (from Spinacia oleracea, Chenopodiaceae); | |
With Tris-HCl buffer; β-cyano-L-alanine synthase (from Spinacea oleracea, Chenopodiaceae) at 30℃; for 0.166667h; |
Conditions | Yield |
---|---|
With potassium phosphate; pyridoxal 5'-phosphate In water at 37℃; for 24h; enzyme catalyst: S-carboxymethyl-L-cysteine synthase from Escherichia coli W3110; |
Conditions | Yield |
---|---|
in neutraler Loesung; |
Conditions | Yield |
---|---|
With potassium carbonate at 20℃; |
Conditions | Yield |
---|---|
With sodium hydroxide In water |
Conditions | Yield |
---|---|
In sodium hydroxide; water |
Conditions | Yield |
---|---|
With ethylenediaminetetraacetic acid; O-phospho-L-serine sulfhydrylase from Aeropyrum pernix K1 In aq. phosphate buffer; N,N-dimethyl-formamide at 80℃; for 0.05h; pH=7.5; Enzymatic reaction; |
Conditions | Yield |
---|---|
In water at 0℃; pH 7.0; | 99% |
carbocisteine
Conditions | Yield |
---|---|
With ammonium hydroxide at 20℃; Temperature; | 98% |
Conditions | Yield |
---|---|
In water at 20 - 50℃; | 95.7% |
carbocisteine
Conditions | Yield |
---|---|
With NaOH In water NaOH added to soln. of MnCl2*4H2O (1.0 mmol), ppt. centrifuged, washed (H2O), added to soln. of H2SCMC (1.0 mmol), stirred for 10 min; ppt. filtered off, crystd. at 45°C over 15 d; elem. anal.; | 76% |
carbocisteine
4-formylphenylboronic acid,
Conditions | Yield |
---|---|
In methanol at 85℃; for 48h; | 74.67% |
Conditions | Yield |
---|---|
With dihydrogen peroxide; sodium hydrogencarbonate at 4℃; for 96h; | 70% |
With dihydrogen peroxide | |
With perchloric acid; dihydrogen peroxide |
carbocisteine
p-carboxyphenylsulfonyl chloride
N-(4-carboxyphenylsulfonyl)-S-carboxymethyl-L-cysteine
Conditions | Yield |
---|---|
With sodium hydroxide In water at 20℃; for 6h; | 63% |
Conditions | Yield |
---|---|
With NaOH In water aq. soln. of L-cysteine derivative added to aq. soln. of Zn salt, pH adjusted to 6.0 by addn. of aq. NaOH, mixt. stirred for 2 h; filtered, crystn. from filtrate after 1 week; elem. anal.; | 61% |
carbocisteine
S-Carboxymethyl-L-cysteine S,S-Dioxide
Conditions | Yield |
---|---|
With dihydrogen peroxide In water at 40℃; for 192h; | 53% |
With Peroxyformic acid | |
With dihydrogen peroxide | |
With perchloric acid; dihydrogen peroxide |
Conditions | Yield |
---|---|
With NaOH In water aq. soln. of L-cysteine derivative added to aq. soln. of Cd salt, pH adjusted to 6.0 by addn. of aq. NaOH, mixt. stirred for 2 h; filtered, crystn. from filtrate after a few days; elem. anal.; | 51% |
Conditions | Yield |
---|---|
at 180 - 185℃; | 45% |
Conditions | Yield |
---|---|
With NaOH In water aq. soln. of L-cysteine derivative added to aq. soln. of Cu salt, pH adjusted to 6.0 by addn. of aq. NaOH, mixt. stirred for 2 h; filtered, slow crystn. from filtrate within several weeks; elem. anal.; | 41% |
methanol
carbocisteine
S-methoxycarbonylmethyl-L-cysteine ; hydrochloride
Conditions | Yield |
---|---|
With hydrogenchloride |
Conditions | Yield |
---|---|
With sodium hydroxide | |
With sodium hydroxide | |
With sodium hydroxide |
carbocisteine
phenyl isothiocyanate
((R)-5-oxo-1-phenyl-2-thioxo-imidazolidin-4-ylmethylsulfanyl)-acetic acid
Conditions | Yield |
---|---|
With pyridine; sodium hydroxide |
Conditions | Yield |
---|---|
With hydrogenchloride | |
With hydrogenchloride |
Conditions | Yield |
---|---|
With hydrogenchloride |
Conditions | Yield |
---|---|
With sodium hydroxide; sodium acetate |
carbocisteine
benzyl chloroformate
N-Benzyloxycarbonyl-S-carboxymethyl-L-cystein
Conditions | Yield |
---|---|
With sodium hydroxide |
Conditions | Yield |
---|---|
With potassium hydroxide |
Conditions | Yield |
---|---|
With 3-(N-morpholino)propanesulfonic acid; potassium hydroxide; ATP; magnesium chloride; Cycloheximide; diothiothreitol at 25℃; ACV synthetase; |
carbocisteine
A
(2R,4S)-S-carboxymethylcysteine sulfoxide
B
(2R,4R)-S-carboxymethylcysteine sulfoxide
Conditions | Yield |
---|---|
With dihydrogen peroxide | |
With dihydrogen peroxide; sodium hydrogencarbonate at 4℃; for 96h; Yield given. Yields of byproduct given; | |
With dihydrogen peroxide; sodium hydrogencarbonate In water at 4℃; for 20h; Cooling with ice; |
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