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CAS No 18598-63-5 , L-Cysteine methyl ester hydrochloride

  • Name: L-Cysteine methyl ester hydrochloride
  • Synonyms: Methyl cysteine hydrochloride;L-Cysteine methyl ester hydrochloride;H-Cys-OMe.HCl; Visclair;Methyl cysteine hydrochloride;
  • CAS Registry Number:
  • Melting Point: 143-144 ºC (DEC.)
  • Density: g/cm3
  • Refractive index: -2.5 ° (C=20, MeOH)
  • Alpha: -2.25 º (C=5, 1 N HCL)
  • Water Solubility: Soluble in water
  • Safety Statements: R36/37/38
  • Hazard Symbols: Xi: Irritant;
  • EINECS: 242-435-0
  • Molecular Weight: 171.64
  • InChI: InChI=1/C4H9NO2S.ClH/c1-7-4(6)3(5)2-8;/h3,8H,2,5H2,1H3;1H/t3-;/m0./s1
  • Risk Statements: S26;S37/39
  • Molecular Formula: C4H9NO2S.HCl
  • Molecular Structure:CAS No:18598-63-5 L-Cysteine methyl ester hydrochloride

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References of L-Cysteine methyl ester hydrochloride
Title: Mecysteine Hydrochloride
CAS Registry Number: 18598-63-5
CAS Name: L-Cysteine methyl ester hydrochloride
Synonyms: methyl cysteine hydrochloride; methyl b-mercaptoalanine hydrochloride; methyl a-amino-b-mercaptopropionate hydrochloride
Manufacturers' Codes: LJ-48
Trademarks: Visclair (Ranbaxy)
Molecular Formula: C4H10ClNO2S
Molecular Weight: 171.65
Percent Composition: C 27.99%, H 5.87%, Cl 20.65%, N 8.16%, O 18.64%, S 18.68%
Line Formula: HSCH2CH(NH2)COOCH3.HCl
Literature References: Prepn: Bergmann, Michalis, Ber. 63, 987 (1930); Zervas, Theodoropoulos, J. Am. Chem. Soc. 78, 1359 (1956).
Properties: Crystals from methanol, mp 140-141°. [a]D20 -2.9° (methanol).
Melting point: mp 140-141°
Optical Rotation: [a]D20 -2.9° (methanol)
Therap-Cat: Mucolytic.
Keywords: Mucolytic.