L-Cysteine hydrochloride monohydrate
SIGMA/30129 - BioUltra, ≥99.0% (RT)
Synonym: L-Cysteine hydrochloride hydrate (1:1:1)
CAS Number: 7048-04-6
Empirical Formula (Hill Notation): C3H7NO2S · HCl · H2O
Molecular Weight: 175.63
EC Number: 200-157-7
MDL Number: MFCD00065606
Linear Formula: HSCH2CH(NH2)COOH · HCl · H2O
Product Type: Chemical
λ | 1 M in H2O |
anion traces | sulfate (SO42-): ≤200 mg/kg |
assay | ≥99.0% (RT) |
cation traces | Al: ≤10 mg/kg |
As: ≤0.5 mg/kg | |
Ba: ≤5 mg/kg | |
Bi: ≤5 mg/kg | |
Ca: ≤10 mg/kg | |
Cd: ≤5 mg/kg | |
Co: ≤5 mg/kg | |
Cr: ≤5 mg/kg | |
Cu: ≤5 mg/kg | |
Fe: ≤5 mg/kg | |
K: ≤50 mg/kg | |
Li: ≤5 mg/kg | |
Mg: ≤5 mg/kg | |
Mn: ≤5 mg/kg | |
Mo: ≤5 mg/kg | |
Na: ≤100 mg/kg | |
NH4+: ≤500 mg/kg | |
Ni: ≤5 mg/kg | |
Pb: ≤5 mg/kg | |
Sr: ≤5 mg/kg | |
Zn: ≤5 mg/kg | |
color | white |
form | crystals |
ign. residue | ≤0.05% (as SO4) |
impurities | insoluble matter, passes filter test |
≤0.5% foreign amino acids | |
InChI | 1S/C3H7NO2S.ClH.H2O/c4-2( |
InChI key | QIJRTFXNRTXDIP-JIZZDEOASA |
optical activity | [α]20/D +5.6±0.3°, c = 5% in 5 M HCl |
product line | BioUltra |
Quality Level | 200 |
SMILES string | O.Cl.N[C@@H](CS)C(O)=O |
solubility | H2O: 1 M at 20 °C, clear, colorless |
UV absorption | λ: 260 nm Amax: 1.0 |
λ: 280 nm Amax: 0.3 |
Biochem/physiol Actions: | NMDA glutamatergic receptor antagonist. |
Hazard Codes | Xi |
Risk Statements | 36/37/38 |
Safety Statements | 26 |
RIDADR | NONH for all modes of transport |
WGK Germany | WGK 1 |
Flash Point(F) | Not applicable |
Flash Point(C) | Not applicable |
Purity | ≥99.0% (RT) |
UNSPSC | 12352209 |