L-Cysteine ethyl ester hydrochloride

Base Information

• Chemical Name: L-Cysteine ethyl ester hydrochloride
• CAS No.: 868-59-7
• Molecular Formula: C5H11NO2S^.HCl
• Molecular Weight: 185.675
• Hs Code.: 29309090
• European Community (EC) Number: 300-920-5
• NSC Number: 519837,117387
• Mol file: 868-59-7.mol

Synonyms:Cysteine,ethyl ester, hydrochloride, L- (6CI,7CI,8CI);L-Cysteine, ethyl ester, hydrochloride(9CI);Cystanin;Ethyl cysteinatehydrochloride;NSC 117387;NSC 519837;H-Cys-OEt.HCl;H-Cys-OEt·HCl;L-Cysteine,ethyl ester, hydrochloride (1:1);

Chemical Property of L-Cysteine ethyl ester hydrochloride

Chemical Property:

• Appearance/Colour: white crystalline powder
• Vapor Pressure: 0.244mmHg at 25°C
• Melting Point: 123-125 °C(lit.)
• Refractive Index: -11.5 ° (C=8, 1mol/L HCl)
• Boiling Point: 205.9 °C at 760 mmHg
• Flash Point: 78.3 °C
• PSA: 91.12000
• Density: 1.391 g/cm3
• LogP: 1.30890
• Storage Temp.: −20°C
• Sensitive.: Hygroscopic
• Water Solubility.: Soluble in water.
• Hydrogen Bond Donor Count: 3
• Hydrogen Bond Acceptor Count: 4
• Rotatable Bond Count: 4
• Exact Mass: 185.0277275
• Heavy Atom Count: 10
• Complexity: 97

Purity/Quality:

99% ^*data from raw suppliers

L-Cysteine Ethyl Ester Hydrochloride ^*data from reagent suppliers

Safty Information:

• Pictogram(s): Xi
• Hazard Codes: Xi
• Statements: 36/37/38
• Safety Statements: 24/25-36-26

MSDS Files:

SDS file from LookChem

Useful:

• Canonical SMILES: CCOC(=O)C(CS)N.Cl
• Uses: L-Cysteine ethyl ester hydrochloride is widely used in food additive, cosmetic, pharmaceutical area.

Technology Process of L-Cysteine ethyl ester hydrochloride

There total 4 articles about L-Cysteine ethyl ester hydrochloride which guide to synthetic route it. The literature collected by LookChem mainly comes from the sharing of users and the free literature resources found by Internet computing technology. We keep the original model of the professional version of literature to make it easier and faster for users to retrieve and use. At the same time, we analyze and calculate the most feasible synthesis route with the highest yield for your reference as below:

synthetic route:

Reference yield: 98.1%

ethanol (64-17-5) + L-Cysteine (52-90-4) → L-cysteine ethyl ester hydrochloride (868-59-7)

Guidance literature:

With thionyl chloride; for 15h; Cooling with ice; Reflux;

Reference yield: 80.0%

L-Cysteine (52-90-4) → L-cysteine ethyl ester hydrochloride (868-59-7)

Guidance literature:

DOI:10.1248/cpb.29.1554

Reference yield:

ethanol (64-17-5) + l-cysteine hydrochloride (52-89-1) → L-cysteine ethyl ester hydrochloride (868-59-7)

Guidance literature:

With hydrogenchloride; at 40 - 50 ℃; for 8h;

DOI:10.1016/S0957-4166(00)00391-8

upstream raw materials:

ethanol

L-Cysteine

l-cysteine hydrochloride

Downstream raw materials:

ethyl 2-(4-chloro-3-sulfamylphenyl)-4(R)-thiazolidinecarboxylate

Ethyl 5,5-dihydro-2-phenyl-2-thiazoline-4-carboxylate

N-benzoyl-L-cysteine ethyl ester

(R)-2-(2',4'-Difluoro-4-hydroxy-biphenyl-3-yl)-thiazolidine-4-carboxylic acid ethyl ester

Refernces

• 1、 Zhang, Lan,Deng, Xin-Shan,Zhang, Chao,Meng, Guang-Peng,Wu, Jiao-Feng,Li, Xue-Song,Zhao, Qing-Chun,Hu, Chun. "Design, synthesis and cytotoxic evaluation of a novel series of benzo[d]thiazole-2-carboxamide derivatives as potential EGFR inhibitors". . p. 2180 - 2189. Retrieved 2017/08/03.
• 2、 Trentmann, Wilhelm,Mehler, Thomas,Martens, Juergen. "Sulfur-containing β-amino alcohols as catalysts in enantioselective synthesis". . p. 2033 - 2043. Retrieved 2007/10/03.