Thermo Scientific™

L-Cysteine hydrochloride monohydrate, 99%

500g, Each
Thermo Scientific™

L-Cysteine hydrochloride monohydrate, 99%

500g, Each
Quantity
Catalog number: A10389.36
Price (USD)
245.00 / Each
Your Price:
Quantity
-

Chemical Identifiers

CAS
7048-04-6
IUPAC Name
hydrogen (2R)-2-amino-3-sulfanylpropanoic acid hydrate chloride
Molecular Formula
C3H10ClNO3S
InChI Key
QIJRTFXNRTXDIP-JIZZDEOASA-N
SMILES
[H+].O.[Cl-].N[C@@H](CS)C(O)=O
Optical Rotation
+5.7 to +6.8° (80 mg/mL in 6N HCl at 25°C, US Sourced material)
Assay from Supplier's CofA
≥98.5 to ≤101.5% (US Sourced Material)
Appearance (Color)
White
Form
Crystals or powder or crystalline powder
Assay (Redox Titration)
≥98.5 to ≤101.5% (UK Sourced Material)

Description

This Thermo Scientific 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.
Applications
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.

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.
RUO – Research Use Only

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