L-Cysteine hydrochloride monohydrate, 99%
L-Cysteine hydrochloride monohydrate, 99%
L-Cysteine hydrochloride monohydrate, 99%
L-Cysteine hydrochloride monohydrate, 99%
Thermo Scientific Chemicals

L-Cysteine hydrochloride monohydrate, 99%

CAS: 7048-04-6 | C3H10ClNO3S | 175.63 g/mol
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Catalog number ALFA10389.36
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Specifications
Chemical Name or MaterialL-Cysteine hydrochloride monohydrate
Melting Point∼175°C (decomposition)
CAS7048-04-6
Health Hazard 1H315-H319-H335
Health Hazard 2GHS H Statement
H315-H319-H335;
Causes skin irritation.
Causes serious eye irritation.
May cause respiratory irritation.
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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.

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

General References:

  1. Prasad, P. V.; Rao, T. V.; Rao, K. R.; Kamal, C. S.; Samuel, T. Studies on influence of Cd 2+ ions in unidirectional growth and characterization of l-Cysteine hydrochloride monohydrate single crystals. Spectrochim. Acta, Part A 2015, 136, 1950-1954.
  2. Koohyar, F.; Rostami, A. A.; Chaichi, M. J.; Kiani, F. Refractive indices, viscosities, and densities for l-cysteine hydrochloride monohydrate+ D-sorbitol+ water, and glycerol+ D-sorbitol+ water in the temperature range between T= 303.15 K and T= 323.15 K. 2011, 40 (7), 1361-1370.