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L-Cysteine hydrochloride monohydrate_Molecular_structure_CAS_7048-04-6)
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L-Cysteine hydrochloride monohydrate

Catalog No. 30129 Name Sigma Aldrich
CAS Number 7048-04-6 Website http://www.sigmaaldrich.com
M. F. C3H10ClNO3S Telephone 1-800-521-8956
M. W. 175.6344 Fax
Purity ≥99.0% (RT) Email
Storage Chembase ID: 102386

SYNONYMS

Title
L-半胱氨酸 盐酸盐 一水合物
IUPAC name
(2R)-2-amino-3-sulfanylpropanoic acid hydrate hydrochloride
IUPAC Traditional name
L-cysteine hydrate hydrochloride

DATABASE IDS

CAS Number 7048-04-6
MDL Number MFCD00065606
EC Number 200-157-7
Beilstein Number 5158059
PubChem SID 24858178

PROPERTIES

Antion Traces sulfate (SO42-): ≤100 mg/kg
Cation Traces Al: ≤10 mg/kg
Cation Traces As: ≤0.5 mg/kg
Cation Traces Ba: ≤5 mg/kg
Cation Traces Bi: ≤5 mg/kg
Cation Traces Ca: ≤10 mg/kg
Cation Traces Cd: ≤5 mg/kg
Cation Traces Co: ≤5 mg/kg
Cation Traces Cr: ≤5 mg/kg
Cation Traces Cu: ≤5 mg/kg
Cation Traces Fe: ≤5 mg/kg
Cation Traces K: ≤50 mg/kg
Cation Traces Li: ≤5 mg/kg
Cation Traces Mg: ≤5 mg/kg
Cation Traces Mn: ≤5 mg/kg
Cation Traces Mo: ≤5 mg/kg
Cation Traces NH4+: ≤500 mg/kg
Cation Traces Na: ≤50 mg/kg
Cation Traces Ni: ≤5 mg/kg
Cation Traces Pb: ≤5 mg/kg
Cation Traces Sr: ≤5 mg/kg
Cation Traces Zn: ≤5 mg/kg
Ignition Residue ≤0.05% (as SO4)
Impurities insoluble matter, passes filter test
Impurities ≤0.5% foreign amino acids
λ 1 M in H2O
Linear Formula HSCH2CH(NH2)COOH · HCl · H2O
Product Line BioUltra
Purity ≥99.0% (RT)
Absorption Wavelength λ: 260 nm Amax: 1.0
Absorption Wavelength λ: 280 nm Amax: 0.3
Optical Rotation [α]20/D +5.6±0.3°, c = 5% in 5 M HCl
Solubility H2O: soluble1 M at 20 °C, clear, colorless
GHS Pictograms GHS07
GHS Signal Word Warning
GHS Hazard statements H315-H319-H335
European Hazard Symbols Irritant Irritant (Xi)
MSDS Link Download
Personal Protective Equipment dust mask type N95 (US), Eyeshields, Gloves
GHS Precautionary statements P261-P305 + P351 + P338
Risk Statements 36/37/38
Safety Statements 26
German water hazard class 3

DETAILS

Description (English)
Biochem/physiol Actions
NMDA glutamatergic receptor antagonist.
Description (简体中文)
Biochem/physiol Actions
NMDA 谷氨酸受体拮抗剂。

REFERENCES