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L-Cysteine hydrochloride hydrate, 98.5-101.0%

Thermo Scientific Chemicals

L-Cysteine hydrochloride hydrate, 98.5-101.0%

Name: L-Cysteine hydrochloride hydrate, 98.5-101.0%
SKU: 111781000

L-cysteine hydrochloride hydrate, CA S# 7048-04-6, also known as L-cysteine hydrochloride monohydrate, is a soluble salt of the non-essential amino acid, L-cysteine. It is commonly used as a nucleophile in several chemical reactions. | CAS: 345909-32-2 | C3H8ClNO2S | 157.61 g/mol

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Catalog number 111781000

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Chemical Identifiers

CAS345909-32-2

IUPAC Name(2R)-2-amino-3-sulfanylpropanoic acid hydrochloride

Molecular FormulaC3H8ClNO2S

InChI KeyIFQSXNOEEPCSLW-QYLAHFPANA-N

SMILESCl.N[C@@H](CS)C(O)=O

Specifications

Specification Sheet

Appearance (Form)Crystalline powder or crystals

Titration Iodimetric98.5 to 101.0 % (on dried substance)

Sulfate (SO4)=<300 ppm

Iron (Fe)=<20 ppm

Appearance (Color)White to off-white

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

General Information

• L-cysteine hydrochloride hydrate is a non-essential proteinogenic amino acid commonly used in chemical reactions, for instance, the thiol side chain in cysteine often participates in enzymatic reactions as a nucleophile.

Application

• L-cysteine hydrochloride hydrate plays an important role as a histidine ammonia-lyase inhibitor with the ability to interfere with the action of histidine ammonia-lyase.
• In chemical reactions, L-cysteine hydrochloride hydrate is used as a raw material for the production of S-carboxymethyl-L-cysteine, L-cysteine base, and N-acetyl-L-cysteine.
• This compound also has antioxidant activity.
• It has been used in laboratory protocols to separate dorsal root ganglion neurons.
• This compound is applied to study the inhibitory effect of L-cysteine hydrochloride hydrate in preventing enzymatic browning in apples.

RUO – Research Use Only

General References:

Richard, F.; Goupy, P.; Nicolas, J.; Lacombe, J.; Pavia, A. Cysteine as an inhibitor of enzymic browning. 1. Isolation and characterization of addition compounds formed during oxidation of phenolics by apple polyphenol oxidase. J. Agric. Food Chem. 1991, 39, 5, 841–847.
Zuchero, J. Purification of Dorsal Root Ganglion Neurons from Rat by Immunopanning. Cold Spring Harb Protoc. 2014, 2014, (8), 826–838.
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.
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.