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  5. Thermo Scientific Chemicals L-Cysteine hydrochloride, anhydrous, 98%

Thermo Scientific Chemicals L-Cysteine hydrochloride, anhydrous, 98%

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Quantity:
25 g
100 g
52-89-1
C3H8ClNO2S
157.61
MFCD00064553
IFQSXNOEEPCSLW-QYLAHFPANA-N
l-cysteine hydrochloride, cystein chloride, r-cysteine hydrochloride, l-cysteine.hcl, cysteine monohydrochloride, l-+-cysteine hydrochloride, l-cysteine, hydrochloride, l-cysteine monohydrochloride, cysteine hcl, l-cysteine hydrochloride anhydrous
60960
(2R)-2-amino-3-sulfanylpropanoic acid;hydrochloride
Cl.N[C@@H](CS)C(O)=O
52-89-1
C3H8ClNO2S
157.61
MFCD00064553
IFQSXNOEEPCSLW-QYLAHFPANA-N
l-cysteine hydrochloride, cystein chloride, r-cysteine hydrochloride, l-cysteine.hcl, cysteine monohydrochloride, l-+-cysteine hydrochloride, l-cysteine, hydrochloride, l-cysteine monohydrochloride, cysteine hcl, l-cysteine hydrochloride anhydrous
60960
(2R)-2-amino-3-sulfanylpropanoic acid;hydrochloride
Cl.N[C@@H](CS)C(O)=O

Description

L-cysteine hydrochloride , CAS# 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.

L-Cysteine hydrochloride, anhydrous is widely used as additive in food production. It is used as an antioxidant to promote fermentation and keep the flavor. It is also used in cosmetics and animal feed.

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.

General description
• L-cysteine hydrochloride 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 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 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.
Melting Point ∽180°C (decomposition)
pH 0.8 to 1.2
Beilstein 3560277
Merck Index 14,2781
Solubility Information Soluble in water. (580g/L at 20°C),
Formula Weight 157.62
Percent Purity 98%
Quantity 100 g
Odor Irritating
Optical Rotation +6.4° (c=5 in 5N HCl)
Sensitivity Air sensitive; Hygroscopic
Chemical Name or Material L-Cysteine hydrochloride, anhydrous
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Safety and Handling

GHS H Statement
H315-H319-H335
Causes skin irritation.
Causes serious eye irritation.
May cause respiratory irritation.

P261-P264b-P271-P280-P302+P352-P304+P340-P305+P351+P338-P312-P332+P313-P362-P501c

H315-H319-H335

EINECSNumber : 200-157-7

RTECSNumber : HA2275000

TSCA : Yes

Recommended Storage : Ambient temperatures

SDS

RUO – Research Use Only

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