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Thermo Scientific Chemicals L-Cysteine hydrochloride monohydrate, 99%

Catalog No. AAA1038936
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Catalog No. AAA1038936 Supplier Thermo Scientific Chemicals Supplier No. A1038936
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Description

CAS: 7048-04-6 | C3H10ClNO3S | 175.63 g/mol

L-Cysteine hydrochloride monohydrate is used as a precursor in food, pharmaceutical and personal care products. It is actively involved in the production of flavors such as meat flavor obtained by reacting with sugars. It plays an important role as a key raw material for the manufacture of N-acetyl-L-cysteine, S-carboxymethyl-L-cysteine and L-cysteine base. It is involved in the treatment of liver disease as an antioxidant and antidote. Being an essential amino acid, it used as animal feed especially for sheep, which is responsible the growth of wool.

This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.

Solubility
Soluble in cold water.

Notes
Air and light sensitive. Hygroscopic. Keep container tightly closed in a dry and well-ventilated place. Incompatible with strong oxidizing agents, metals and hydrogen chloride.

Chemical Identifiers

CAS 4-6-7048
Molecular Formula C3H10ClNO3S
Molecular Weight (g/mol) 175.63
MDL Number MFCD00065606
InChI Key QIJRTFXNRTXDIP-JIZZDEOASA-N
Synonym l-cysteine hydrochloride monohydrate, h-cys-oh.hcl.h2o, l-cysteine hydrochloride hydrate, l-cysteine monohydrate monochloride, r-2-amino-3-mercaptopropanoic acid hydrochloride hydrate, unii-zt934n0x4w, l-cysteine hydrate hydrochloride, cysteine hydrochloride monohydrate, l, h-cys-ohhclh2o, cysteine hcl
PubChem CID 23462
IUPAC Name (2R)-2-amino-3-sulfanylpropanoic acid;hydrate;hydrochloride
SMILES C(C(C(=O)O)N)S.O.Cl

Specifications

Melting Point ∼175°C (decomposition)
pH 1 to 2
Beilstein 5158059
Merck Index 14,2781
Solubility Information Soluble in cold water.
Quantity 500 g
Formula Weight 175.64 (157.62 Anhydrous)
Optical Rotation +5.5° (c=5 in 5N HCl)
Sensitivity Air Sensitive
Percent Purity 99%
Chemical Name or Material L-Cysteine hydrochloride monohydrate
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Safety and Handling

Hazard Category H315-H319-H335
Hazard Statement GHS H Statement
H315-H319-H335;
Causes skin irritation.
Causes serious eye irritation.
May cause respiratory irritation.
Precautionary Statement P261-P264b-P271-P280-P302+P352-P304+P340-P305+P351+P338-P312-P332+P313-P362-P501c
EINECSNumber 615-117-8
RTECSNumber HA2285000
TSCA Yes
Recommended Storage Ambient temperatures

RUO – Research Use Only