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Hangzhou Keyingchem Co.,Ltd

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

L-Cysteine hydrochloride anhydrous

Cas:52-89-1

Min.Order:0 Metric Ton

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Type:Lab/Research institutions

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Siwei Development Group Ltd.

Product name: L-Cysteine HCL Anhydrous CAS No.:52-89-1 Molecule Formula:C3H7NO2S·HCl Molecule Weight:157.62 Package: 25kg/drum Purity: 99.5% Description:White crystals or crystalline powder Manufacture Standards: FCCIV/AJI/USP

Lower price L-Cysteine Hydrochloride Anhydrous

Cas:52-89-1

Min.Order:1 Kilogram

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Type:Trading Company

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Dayang Chem (Hangzhou) Co.,Ltd.

Dayangchem'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

L-Cysteine hydrochloride anhydrous

Cas:52-89-1

Min.Order:1 Kilogram

FOB Price: $3.0

Type:Lab/Research institutions

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Hangzhou Dingyan Chem Co., Ltd

Analysis tests Standard Results Appearance White crystalline powder Conform Specific rotation

High purity L-Cysteine hydrochloride anhydrous with high quality cas:52-89-1

Cas:52-89-1

Min.Order:1 Kilogram

FOB Price: $24.0 / 50.0

Type:Manufacturers

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Simagchem Corporation

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

High quality L-Cysteine Hcl Anhy supplier in China

Cas:52-89-1

Min.Order:1 Kilogram

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Type:Manufacturers

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Wuhan Fortuna Chemical Co.,Ltd

Unique advantages Guaranteed purity High quality & competitive price Quality control Fast feedback Prompt shipment Appearance:White crystal or crystalline powder Storage:cool dry place Package:25kg/drum Application:food additive Transporta

Manufacturer high quality L-Cysteine Hydrochloride Anhydrous Cas 52-89-1 with good price

Cas:52-89-1

Min.Order:1 Kilogram

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Type:Trading Company

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Hefei TNJ chemical industry co.,ltd

1.strict Quality control: Strictly in accordance with Chinese GMP(2010 version), guidelines issued by FDA,EDQM, and ICH relevant regulations, we have established a sound quality assurance system, implementing regular supervision and management in

L-Cysteine hydrochloride anhydrous CAS NO.52-89-1

Cas:52-89-1

Min.Order:25 Kilogram

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Type:Trading Company

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Hangzhou Think Chemical Co. Ltd

L-Cysteine hydrochloride Mono CAS No.:52-89-1 Name L-Cysteine hydrochloride anhydrous Molecular Structure Molecular Formula C3H7NO2S.HCl Molecular Weight 157.61 CAS Registry Number 52-89-1 EINECS

L-Cysteine hydrochloride Mono CAS No.:52-89-1

Cas:52-89-1

Min.Order:1 Kilogram

FOB Price: $2.0

Type:Other

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Hangzhou JINLAN Pharm-Drugs Technology Co., Ltd

We 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 C

Cysteine Hydrochloride manufacturer with low price

Cas:52-89-1

Min.Order:1 Gram

Negotiable

Type:Manufacturers

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Ality Chemical Corporation

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

Factory Supply L-Cysteine Hcl Anhy

Cas:52-89-1

Min.Order:1

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Type:Other

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Xi'an Xszo Chem Co., Ltd.

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

High Quality Food Grade L-Cysteine Hydrochloride Anhydrous 52-89-1 HACCP Manufacturer

Cas:52-89-1

Min.Order:1 Gram

FOB Price: $0.1

Type:Manufacturers

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Shanxi Zorui Biotechnology Co.Ltd.

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

99% L-Cysteine Hydrochloride/ L-Cysteine HCL Anhydrous CAS 52-89-1

Cas:52-89-1

Min.Order:1 Kilogram

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Type:Other

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COLORCOM LTD.

Colorcom 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

L-Cysteine HCL Anhydrous

Cas:52-89-1

Min.Order:1 Metric Ton

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Type:Manufacturers

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Chemwill Asia Co., Ltd.

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

L-Cysteine HCl Anhydrous

Cas:52-89-1

Min.Order:5 Kiloliter

FOB Price: $1.2 / 5.0

Type:Manufacturers

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Henan Tianfu Chemical Co., Ltd.

Our company engages in Sodium Tripolyphosphate (STPP) and Sodium Hexametabphosphate (SHMP) production; development of noble metal catalysts, synthesis of electronic chemical materials and general chemicals Imp&Exp trading business. The company

TIANFU-CHEM - L-Cysteine hydrochloride anhydrous

Cas:52-89-1

Min.Order:1 Kilogram

FOB Price: $1000.0

Type:Lab/Research institutions

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Jinan Finer Chemical Co., Ltd

Product Description Product website: http://www.finerchem.com Product Name L-Cysteine hydrochloride anhydrous CAS No. 52-89-1

L-Cysteine hydrochloride anhydrous

Cas:52-89-1

Min.Order:1 Gram

FOB Price: $12.0

Type:Lab/Research institutions

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Hebei Nengqian Chemical Import and Export Co., LTD

Our advantages: 1. All inquiries will be replied within 12 hours. 2. Dedication to quality, supply & service. 3. Strictly on selecting raw materials. 4. Reasonable & competitive price, fast lead time. 5. Sample is available for your eva

L-Cysteine monohydrochloride CAS : 52-89-1

Cas:52-89-1

Min.Order:1 Kilogram

FOB Price: $7800.0 / 8000.0

Type:Trading Company

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Zhuozhou Wenxi import and Export Co., Ltd

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

Pharmaceutical Grade CAS 52-89-1 with competitive price

Cas:52-89-1

Min.Order:1 Kilogram

FOB Price: $139.0 / 210.0

Type:Trading Company

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Wuhan Han Sheng New Material Technology Co.,Ltd

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

L-Cysteine hydrochloride anhydrous

Cas:52-89-1

Min.Order:10 Kilogram

Negotiable

Type:Trading Company

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Henan Sinotech Import&Export Corporation

Product Name:Pentacetylglucose Chemical Name:L-Cysteine hydrochloride anhydrous Assay:≥99% (HPLC) Appearance:White Powder Molecular Formula:C3H8ClNO2S Melting Point:109-112 degree Appearance: white powder Storage:Store in cool and dry

L-Cysteine hydrochloride anhydrous CAS: 52-89-1

Cas:52-89-1

Min.Order:5 Metric Ton

FOB Price: $1.0 / 2.0

Type:Other

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Henan Wentao Chemical Product Co., Ltd.

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

L-(+)-α-amino-β-thiopropionic acidCAS NO.:52-89-1

Cas:52-89-1

Min.Order:1 Gram

FOB Price: $4.0

Type:Lab/Research institutions

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Hangzhou Sartort Biopharma Co., Ltd

Appearance:White powder Storage:room temperature Package:25kg/drum Application:As dough conditioner. Transportation:Express/Sea/Air Port:any port in china

L-Cysteine monohydrochloride factory price

Cas:52-89-1

Min.Order:1 Kilogram

FOB Price: $1.0

Type:Lab/Research institutions

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Shanghai Upbio Tech Co.,Ltd

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

L-Cysteine hydrochloride anhydrous 52-89-1

Cas:52-89-1

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

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Xi'an Faithful Biotech Co., Ltd.

We 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

Baoji Guokang Healthchem co.,ltd

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

L-Cysteine hydrochloride anhydrous with CAS: 52-89-1

Cas:52-89-1

Min.Order:1 Kilogram

FOB Price: $36.0 / 40.0

Type:Trading Company

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Qingdao Beluga Import and Export Co., LTD

L-Cysteine monohydrochloride CAS:52-89-1 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

L-Cysteine monohydrochloride CAS:52-89-1

Cas:52-89-1

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

inquiry

Shandong Hanjiang Chemical Co., Ltd.

Hello, 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

L-Cysteine hydrochloride anhydrous

Cas:52-89-1

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Hebei Mojin Biotechnology Co.,Ltd

Company information: Hebei Mojin Biotechnology Co., Ltd, Our company is a professional in chemical raw materials and chemical reagents research and development production enterprises. Our business covers more than 30 countries, most of the big custo

L-Cysteine Hydrochloride CAS 52-89-1

Cas:52-89-1

Min.Order:1 Kilogram

FOB Price: $8.0 / 10.0

Type:Trading Company

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Wuhan BJM Pharm Inc.

L-Cysteine hydrochloride anhydrous CAS 52-89-1 Molecular formula C3H8ClNO2S Molecular weight 157.62 Description White to light brown solid Specific rotation +5.6 - +8.9

L-Cysteine hydrochloride anhydrous(52-89-1)/manufacturer

Cas:52-89-1

Min.Order:1 Kilogram

FOB Price: $20.0 / 60.0

Type:Lab/Research institutions

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Hebei Quanhe Biotechnology Co. LTD

1. Timely and efficient service to ensure communication with customers 2. Produce products of different specifications and sizes according to your requirements. 3. Quality procedures and standards recognized by SGS. Advanced plant equipment ensures

L-Cysteine hydrochloride anhydrous

Cas:52-89-1

Min.Order:1 Kilogram

FOB Price: $30.0 / 50.0

Type:Lab/Research institutions

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Synthetic route

(3R)-2-methyl-4,5-dihydrothiazole-4-carboxylic acid methyl ester
2519-89-3, 6436-58-4, 15263-39-5, 45789-42-2

(3R)-2-methyl-4,5-dihydrothiazole-4-carboxylic acid methyl ester

l-cysteine hydrochloride
52-89-1

l-cysteine hydrochloride

Conditions
ConditionsYield
With hydrogenchloride; water for 24h; Inert atmosphere; Reflux;94%
N-(tert-butoxycarbonyl)-S-(N-methylcarbamoyl)cysteine methyl ester
120033-48-9

N-(tert-butoxycarbonyl)-S-(N-methylcarbamoyl)cysteine methyl ester

A

l-cysteine hydrochloride
52-89-1

l-cysteine hydrochloride

B

S-(N-methylcarbamoyl)cysteine hydrochloride
120033-46-7

S-(N-methylcarbamoyl)cysteine hydrochloride

Conditions
ConditionsYield
With hydrogenchloride for 168h;A 15%
B 83%
S-(diphenyl-4-pyridylmethyl)-L-cysteine
62982-12-1

S-(diphenyl-4-pyridylmethyl)-L-cysteine

A

diphenyl(pyridin-4-yl)methanol
1620-30-0

diphenyl(pyridin-4-yl)methanol

B

l-cysteine hydrochloride
52-89-1

l-cysteine hydrochloride

Conditions
ConditionsYield
With mercury(II) diacetate In water; acetic acid for 0.25h; Product distribution; other reagent (zinc dust, 80percent acetic acid, 15 min);
cycloforskamide
1447695-69-3

cycloforskamide

A

C5H9NO2*ClH

C5H9NO2*ClH

B

l-cysteine hydrochloride
52-89-1

l-cysteine hydrochloride

C

L-valine hydrochloride
17498-50-9, 25616-14-2, 31320-20-4

L-valine hydrochloride

D

L-isoleucine hydrochloride
17694-98-3

L-isoleucine hydrochloride

E

L-threonine methyl ester hydrochloride
60143-52-4, 71264-40-9, 82650-07-5, 97347-46-1, 100157-61-7

L-threonine methyl ester hydrochloride

F

D-alloisoleucine hydrochloride

D-alloisoleucine hydrochloride

Conditions
ConditionsYield
With hydrogenchloride; water at 110℃; for 24h;
l-cysteine hydrochloride
52-89-1

l-cysteine hydrochloride

benzaldehyde
100-52-7

benzaldehyde

(4R)-2-phenyl-1,3-thiazolidine-4-carboxylic acid
196930-46-8

(4R)-2-phenyl-1,3-thiazolidine-4-carboxylic acid

Conditions
ConditionsYield
Stage #1: l-cysteine hydrochloride With sodium hydroxide In water
Stage #2: benzaldehyde In ethanol; water at 20℃; for 3h;
100%
With potassium acetate In methanol; water at 0 - 25℃; for 6h;98%
Stage #1: l-cysteine hydrochloride With potassium carbonate In water
Stage #2: benzaldehyde In methanol; water at 25℃; for 3h;
98%
(9H-fluoren-9-yl)methyl 4-methylbenzenesulfonaye
71532-40-6

(9H-fluoren-9-yl)methyl 4-methylbenzenesulfonaye

l-cysteine hydrochloride
52-89-1

l-cysteine hydrochloride

(R)-9H-fluorenyl-9-methyl-L-cysteine
84888-38-0

(R)-9H-fluorenyl-9-methyl-L-cysteine

Conditions
ConditionsYield
With N-ethyl-N,N-diisopropylamine In N,N-dimethyl-formamide100%
formaldehyd
50-00-0

formaldehyd

l-cysteine hydrochloride
52-89-1

l-cysteine hydrochloride

(R)-thiazolidine-4-carboxylic acid hydrochloride
67089-84-3

(R)-thiazolidine-4-carboxylic acid hydrochloride

Conditions
ConditionsYield
at 20℃; for 1h; Solid phase reaction; cyclocondensation;100%
Stage #1: formaldehyd; l-cysteine hydrochloride With sodium hydroxide In water at 20℃; for 24h;
Stage #2: With pyridine In ethanol; water at 0℃;
80%
l-cysteine hydrochloride
52-89-1

l-cysteine hydrochloride

benzonitrile
100-47-0

benzonitrile

(4R)-2-phenyl-4,5-dihydro-1,3-thiazole-4-carboxylic acid
19983-15-4, 116179-34-1, 62096-93-9

(4R)-2-phenyl-4,5-dihydro-1,3-thiazole-4-carboxylic acid

Conditions
ConditionsYield
With sodium hydrogencarbonate In methanol at 70℃; pH=7; aq. phosphate buffer; Inert atmosphere;99%
With sodium hydrogencarbonate In methanol; aq. phosphate buffer for 72h; pH=6; Reflux;73%
With piperidine; sodium hydrogencarbonate In ethanol
Methoxycarbonylsulfenyl chloride
26555-40-8

Methoxycarbonylsulfenyl chloride

l-cysteine hydrochloride
52-89-1

l-cysteine hydrochloride

S-(methoxycarbonylsulfenyl)cysteine hydrochloride

S-(methoxycarbonylsulfenyl)cysteine hydrochloride

Conditions
ConditionsYield
With hydrogenchloride In methanol at 0℃; for 1h;99%
salicylonitrile
611-20-1

salicylonitrile

l-cysteine hydrochloride
52-89-1

l-cysteine hydrochloride

(R)-2-(2-hydroxyphenyl)-4,5-dihydro-1,3-thiazole-4-carboxylic acid
115921-06-7

(R)-2-(2-hydroxyphenyl)-4,5-dihydro-1,3-thiazole-4-carboxylic acid

Conditions
ConditionsYield
With sodium hydrogencarbonate In methanol; aq. phosphate buffer for 72h; pH=6; Reflux;99%
Stage #1: salicylonitrile; l-cysteine hydrochloride With sodium hydrogencarbonate In ethanol for 0.5h; Heating;
Stage #2: With piperidine In ethanol for 12h; pH=9; Heating;
Stage #3: With hydrogenchloride In ethanol pH=1.5;
67%
benzyl (E)-3-((2-cyanobenzo[d]thiazol-6-yl)thio)acrylate

benzyl (E)-3-((2-cyanobenzo[d]thiazol-6-yl)thio)acrylate

l-cysteine hydrochloride
52-89-1

l-cysteine hydrochloride

(S)-2-(6-mercaptobenzo[d]thiazol-2-yl)-4,5-dihydrothiazole-4-carboxylic acid

(S)-2-(6-mercaptobenzo[d]thiazol-2-yl)-4,5-dihydrothiazole-4-carboxylic acid

Conditions
ConditionsYield
With potassium carbonate In water; dimethyl sulfoxide at 20℃; for 0.166667h; Inert atmosphere;99%
furfural
98-01-1

furfural

l-cysteine hydrochloride
52-89-1

l-cysteine hydrochloride

(2RS,4R)-furan-2-yl-thiazolidine-4-carboxylic acid
72678-98-9

(2RS,4R)-furan-2-yl-thiazolidine-4-carboxylic acid

Conditions
ConditionsYield
With sodium hydrogencarbonate In ethanol; water for 6h;98%
With sodium acetate In ethanol; water at 25℃; for 3h;87%
With ethanol; potassium acetate
triphenylmethyl alcohol
76-84-6

triphenylmethyl alcohol

l-cysteine hydrochloride
52-89-1

l-cysteine hydrochloride

S-trityl-L-cysteine
2799-07-7

S-trityl-L-cysteine

Conditions
ConditionsYield
Stage #1: triphenylmethyl alcohol; l-cysteine hydrochloride With trifluoroacetic acid for 2h;
Stage #2: With sodium acetate; sodium hydroxide In diethyl ether; water at 0℃; pH=5 - 6;
98%
With trifluoroacetic acid for 3h; Inert atmosphere;96%
With choline chloride; urea In trifluoroacetic acid at 25℃; for 2h;95%
l-cysteine hydrochloride
52-89-1

l-cysteine hydrochloride

acetonitrile
75-05-8

acetonitrile

sodium 2-methyl-2-thiazolin-4-carboxylate

sodium 2-methyl-2-thiazolin-4-carboxylate

Conditions
ConditionsYield
With sodium ethanolate In ethanol for 11h; Heating;98%
l-cysteine hydrochloride
52-89-1

l-cysteine hydrochloride

phenyl chloroformate
1885-14-9

phenyl chloroformate

2-oxothiazolidine-4(R)-carboxylic acid
19771-63-2

2-oxothiazolidine-4(R)-carboxylic acid

Conditions
ConditionsYield
With sodium hydroxide In toluene at 40℃; for 2h;98%
Stage #1: l-cysteine hydrochloride With sodium hydroxide In water at 0 - 9℃;
Stage #2: phenyl chloroformate In water; toluene at 25℃; for 2h;
71%
With sodium hydroxide In water; toluene at 0 - 30℃; for 2h;
With hydrogenchloride; sodium hydroxide In water; toluene at 25℃; for 2h; pH=1;
l-cysteine hydrochloride
52-89-1

l-cysteine hydrochloride

3-(3-tert-butoxycarbonylamino)benzonitrile
145878-50-8

3-(3-tert-butoxycarbonylamino)benzonitrile

C15H18N2O4S
1401249-37-3

C15H18N2O4S

Conditions
ConditionsYield
With sodium hydrogencarbonate In methanol; aq. phosphate buffer for 72h; pH=6; Reflux;98%
pentafluorobenzenesulfenyl chloride
27918-31-6

pentafluorobenzenesulfenyl chloride

l-cysteine hydrochloride
52-89-1

l-cysteine hydrochloride

((pentafluorophenyl)disulfanyl)cysteine

((pentafluorophenyl)disulfanyl)cysteine

Conditions
ConditionsYield
In acetic acid at 70℃; for 3.5h;98%
pentafluorobenzenesulfenyl chloride
27918-31-6

pentafluorobenzenesulfenyl chloride

l-cysteine hydrochloride
52-89-1

l-cysteine hydrochloride

S-(pentafluorophenylsulfanyl)-L-cysteine

S-(pentafluorophenylsulfanyl)-L-cysteine

Conditions
ConditionsYield
With acetic acid In acetic acid at 70℃; for 3.5h;98%
l-cysteine hydrochloride
52-89-1

l-cysteine hydrochloride

7β-chloroacetamido-7α-methoxy-3-(1-methyl-1H-tetrazole-5-mercaptomethyl)-3-cephem-4-carboxylic acid
57617-09-1

7β-chloroacetamido-7α-methoxy-3-(1-methyl-1H-tetrazole-5-mercaptomethyl)-3-cephem-4-carboxylic acid

(6R,7S)-7-[(S)-2-(2-amino-2-carboxyethylmercapto)acetamido]-7-methoxy-3-[[(1-methyl-1H-tetrazol-5-yl)thio]methyl]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate
75498-96-3

(6R,7S)-7-[(S)-2-(2-amino-2-carboxyethylmercapto)acetamido]-7-methoxy-3-[[(1-methyl-1H-tetrazol-5-yl)thio]methyl]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate

Conditions
ConditionsYield
With ethylenediaminetetraacetic acid; sodium thiosulfate In water at 50℃; Concentration; Temperature;97.9%
C85H141N7O43S

C85H141N7O43S

l-cysteine hydrochloride
52-89-1

l-cysteine hydrochloride

C82H142N8O45S

C82H142N8O45S

Conditions
ConditionsYield
With tris-(2-carboxyethyl)-phosphine hydrochloride In water at 20℃; for 3h; pH=Ca. 7;97%
l-cysteine hydrochloride
52-89-1

l-cysteine hydrochloride

4-cyanobenzaldehyde
105-07-7

4-cyanobenzaldehyde

(2RS,4R)-2-(4-cyano-phenyl)-thiazolidine-4-carboxylic acid
280108-15-8

(2RS,4R)-2-(4-cyano-phenyl)-thiazolidine-4-carboxylic acid

Conditions
ConditionsYield
With sodium hydrogencarbonate In ethanol; water for 6h;96%
With sodium hydroxide In ethanol; water63%
With potassium acetate In methanol; water at 20℃;
l-cysteine hydrochloride
52-89-1

l-cysteine hydrochloride

2-nitro-benzaldehyde
552-89-6

2-nitro-benzaldehyde

(2RS,4R)-2-(2-nitro-phenyl)-thiazolidine-4-carboxylic acid
72693-56-2, 112928-36-6, 112928-37-7

(2RS,4R)-2-(2-nitro-phenyl)-thiazolidine-4-carboxylic acid

Conditions
ConditionsYield
With sodium hydrogencarbonate In ethanol; water for 6h;96%
With sodium hydrogencarbonate In water; dimethyl sulfoxide at 20℃;91%
(2S)-2-[(tert-butyloxycarbonyl)amino]thiopropionic acid S-phenyl ester
92645-20-0

(2S)-2-[(tert-butyloxycarbonyl)amino]thiopropionic acid S-phenyl ester

l-cysteine hydrochloride
52-89-1

l-cysteine hydrochloride

N-(tert-butoxycarbonyl)-L-alanyl-L-cysteine
86810-06-2

N-(tert-butoxycarbonyl)-L-alanyl-L-cysteine

Conditions
ConditionsYield
Stage #1: l-cysteine hydrochloride With sodium tetrahydroborate In methanol at 20℃; for 1h; Inert atmosphere;
Stage #2: (2S)-2-[(tert-butyloxycarbonyl)amino]thiopropionic acid S-phenyl ester In methanol at 20℃; Inert atmosphere;
96%
Stage #1: l-cysteine hydrochloride With sodium tetrahydroborate In methanol for 1h; Inert atmosphere;
Stage #2: (2S)-2-[(tert-butyloxycarbonyl)amino]thiopropionic acid S-phenyl ester In methanol
l-cysteine hydrochloride
52-89-1

l-cysteine hydrochloride

2-nitrophenylmethyl bromide
3958-60-9

2-nitrophenylmethyl bromide

S-(2-nitrobenzyl)-L-cysteine

S-(2-nitrobenzyl)-L-cysteine

Conditions
ConditionsYield
With sodium hydroxide In water; acetonitrile at 20℃; for 1h; Inert atmosphere;96%
l-cysteine hydrochloride
52-89-1

l-cysteine hydrochloride

chloroacetic acid
79-11-8

chloroacetic acid

carbocisteine
638-23-3

carbocisteine

Conditions
ConditionsYield
With ammonia; ammonium bicarbonate In water at 20 - 50℃; for 0.5h; pH=7.5; Reagent/catalyst; Temperature; pH-value; Large scale;96%
2-cyano-6-aminobenzothiazole
7724-12-1

2-cyano-6-aminobenzothiazole

l-cysteine hydrochloride
52-89-1

l-cysteine hydrochloride

potassium (S)-2-(6-aminobenzo[d]thiazol-2-yl) -4,5-dihydrothiazole-4-carboxylate

potassium (S)-2-(6-aminobenzo[d]thiazol-2-yl) -4,5-dihydrothiazole-4-carboxylate

Conditions
ConditionsYield
Stage #1: 2-cyano-6-aminobenzothiazole; l-cysteine hydrochloride In methanol; water at 20℃; for 0.0833333h; Inert atmosphere;
Stage #2: With potassium carbonate In methanol; water for 0.666667h; Inert atmosphere;
96%
l-cysteine hydrochloride
52-89-1

l-cysteine hydrochloride

salicylaldehyde
90-02-8

salicylaldehyde

(2RS,4R)-2-(2-hydroxy-phenyl)-thiazolidine-4-carboxylic acid
201942-90-7

(2RS,4R)-2-(2-hydroxy-phenyl)-thiazolidine-4-carboxylic acid

Conditions
ConditionsYield
With sodium hydrogencarbonate In ethanol; water for 6h;95%
With sodium hydrogencarbonate In water; dimethyl sulfoxide at 20℃;78%
With ethanol; alkali cetate
With ethanol; alkali cetate
With sodium acetate In ethanol; water at 20℃; for 24h;
3-phenylpropyl isothiocyanate
2627-27-2

3-phenylpropyl isothiocyanate

l-cysteine hydrochloride
52-89-1

l-cysteine hydrochloride

S--L-cysteine
137915-13-0

S--L-cysteine

Conditions
ConditionsYield
With sodium hydroxide In ethanol; water for 48h; Ambient temperature;95%
l-cysteine hydrochloride
52-89-1

l-cysteine hydrochloride

hematoporphyrin IX dihydrochloride
17696-69-4

hematoporphyrin IX dihydrochloride

porphyrin c

porphyrin c

Conditions
ConditionsYield
With L-valine; acetic acid for 0.666667h; Ambient temperature;95%
With hydrogen bromide glacial acetic acid, 21 deg C, 40 min; heating 45 min, 0.01 mm Hg;95%
l-cysteine hydrochloride
52-89-1

l-cysteine hydrochloride

acetone
67-64-1

acetone

2,2-dimethyl-thiazolidine-4(R)-carboxylic acid
58166-38-4

2,2-dimethyl-thiazolidine-4(R)-carboxylic acid

Conditions
ConditionsYield
for 3.5h; Reflux;95%
for 1.5h; Heating / reflux;92%
for 6h; Reflux;88%
(4-methylphenyl)diphenylmethanol
5440-76-6

(4-methylphenyl)diphenylmethanol

l-cysteine hydrochloride
52-89-1

l-cysteine hydrochloride

NSC123139
61137-68-6

NSC123139

Conditions
ConditionsYield
With choline chloride; urea In trifluoroacetic acid at 25℃; for 2h;95%
(i) BF3-Et2O, AcOH, (ii) aq. NaOAc; Multistep reaction;
p-methoxytrityl alcohol
847-83-6

p-methoxytrityl alcohol

l-cysteine hydrochloride
52-89-1

l-cysteine hydrochloride

NSC123528
177582-20-6

NSC123528

Conditions
ConditionsYield
With choline chloride; urea In trifluoroacetic acid at 25℃; for 2h;95%
(i) BF3-Et2O, AcOH, (ii) aq. NaOAc; Multistep reaction;
m-cyanophenol
873-62-1

m-cyanophenol

l-cysteine hydrochloride
52-89-1

l-cysteine hydrochloride

(R)-2-(3'-hydroxyphenyl)-4,5-dihydrothiazole-4-carboxylic acid sodium salt

(R)-2-(3'-hydroxyphenyl)-4,5-dihydrothiazole-4-carboxylic acid sodium salt

Conditions
ConditionsYield
Stage #1: m-cyanophenol; l-cysteine hydrochloride With sodium hydrogencarbonate In ethanol for 1h; Heating;
Stage #2: With piperidine In ethanol for 48h; pH=9; Heating;
95%
l-cysteine hydrochloride
52-89-1

l-cysteine hydrochloride

2'-(2-hydroxyphenyl)-2'-thiazole-4'-carboxaldehyde
83053-39-8

2'-(2-hydroxyphenyl)-2'-thiazole-4'-carboxaldehyde

2'-(2-hydroxyphenyl)-2'',3'',4'',5''-tetrahydro[2'',4']bisthiazolyl-4''-carboxylic acid

2'-(2-hydroxyphenyl)-2'',3'',4'',5''-tetrahydro[2'',4']bisthiazolyl-4''-carboxylic acid

Conditions
ConditionsYield
With potassium acetate In ethanol; water at 20℃; for 1h;95%

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