nice and fast with most of complete details. should have attached sample coa. should clear materal shelf life.
30120
L-Cysteine hydrochloride
≥99.0% (RT)
L-Cysteine hydrochloride
Synonym(s):
L-Cysteine hydrochloride (1:1)
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About This Item
Linear Formula:
HSCH2CH(NH2)COOH · HCl
CAS Number:
Molecular Weight:
157.62
NACRES:
NA.77
PubChem Substance ID:
UNSPSC Code:
12352209
EC Number:
200-157-7
MDL number:
Beilstein/REAXYS Number:
3560277
Pricing and availability is not currently available.
Product Name
L-Cysteine hydrochloride, anhydrous, ≥99.0% (RT)
Quality Segment
assay
≥99.0% (RT)
form
powder or crystals
optical activity
[α]20/D +6.4±0.3°, c = 5% in 5 M HCl
impurities
≤0.5% foreign amino acids
ign. residue
≤0.1% (as SO4)
loss
≤1.0% loss on drying
color
white
mp
174.1-174.7 °C
solubility
H2O: 1 g/10 mL, clear, colorless
anion traces
sulfate (SO42-): ≤100 mg/kg
cation traces
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, Mg: ≤5 mg/kg, Mn: ≤5 mg/kg, NH4+: ≤500 mg/kg, Na: ≤50 mg/kg, Ni: ≤5 mg/kg, Pb: ≤5 mg/kg, Zn: ≤5 mg/kg
application(s)
peptide synthesis
SMILES string
Cl[H].N[C@@H](CS)C(O)=O
InChI
1S/C3H7NO2S.ClH/c4-2(1-7)3(5)6;/h2,7H,1,4H2,(H,5,6);1H/t2-;/m0./s1
InChI key
IFQSXNOEEPCSLW-DKWTVANSSA-N
Application
- Drug delivery systems: A study utilized L-Cysteine HCl in the formulation of mixed micelles for the enhanced delivery of carvedilol, a cardiovascular drug, illustrating its utility in improving solubility and bioavailability of pharmaceutical compounds (Öztürk et al., 2022).
Biochem/physiol Actions
NMDA glutamatergic receptor agonist that is also an agonist at AMPA glutamatergic receptors at high concentrations.
NMDA glutamatergic receptor agonist; AMPA glutamatergic receptor agonist at high concentrations.
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This Item | |||
|---|---|---|---|
| form powder or crystals | form powder or crystals | form powder or crystals | form crystals |
| assay ≥99.0% (RT) | assay ≥98% (TLC) | assay ≥99.0% (AT) | assay ≥99.0% (RT) |
| optical activity [α]20/D +6.4±0.3°, c = 5% in 5 M HCl | optical activity - | optical activity [α]20/D +6.5±1°, c = 8% in H2O | optical activity [α]20/D +5.6±0.3°, c = 5% in 5 M HCl |
| color white | color white to off-white | color white | color white |
| mp 174.1-174.7 °C | mp 185 °C | mp 240-245 °C (dec.) | mp - |
| solubility H2O: 1 g/10 mL, clear, colorless | solubility - | solubility H2O: soluble, saline: soluble | solubility H2O: 1 M at 20 °C, clear, colorless |
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Storage Class
11 - Combustible Solids
wgk
WGK 1
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
dust mask type N95 (US), Eyeshields, Gloves
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