L-Cysteine methyl ester hydrochloride CAS#: 18598-63-5

Names & Identifiers

Product Name L-Cysteine methyl ester hydrochloride
Synonyms Methyl α-aMino-β-Mercaptopropionate hydrochloride;Methyl β-Mercaptoalanine hydrochloride;L-Cysteine Methyl ester hydrochloride, 98% 25GR;L-Cysteine Methyl ester hydrochloride, 98% 5GR;(R)-Cysteine Methyl Ester Hydrochloride;Methyl (R)-2-AMino-3-Mercaptopropanoate Hydrochloride;Methyl L-Cysteinate Hydrochloride;NSC 161611
CAS Registry Number 18598-63-5
Molecular Formula C4H10ClNO2S
Molecular Weight 171.65
EINECS 242-435-0
Other Registry Numbers ;
More Identifiers on PubChem IUPA Names, InChI, InChI Key, Canonical SMILES, etc.
L-Cysteine methyl ester hydrochloride CAS#: 18598-63-5

Chemical & Physical Properties

Melting point  142 °C (dec.)(lit.)
alpha  -2.25 º (c=5, 1 N HCl)
Refractive Index  -2.5 ° (C=20, MeOH)
Storage  −20°C
form  Crystalline Powder
Color  White
Water Solubility  Soluble in water
Merck  13,5809
Stability: Stable. Incompatible with strong oxidizing agents.
More Properties From PubChem Topological Polar Surface Area, Monoisotopic Mass, etc.

Safety & Hazards(Codes & Phrases)

Hazard Codes  Xi
R Phrase  36/37/38
S Phrase  26-36-37/39
WGK Germany  2
RTECS  HA2460000
More Safety & Hazards From PubChem Signal, GHS Hazard Statements, Precautionary Statement Codes, etc.


Literature on PubChem Synthesis References, Metabolite References, etc.


Patents on PubChem Related Patents Of This Product

Transportation, Storage & Usage

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Spectral Properties

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