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

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

Product Code. 11332466
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Quantity:
25 g
100 g

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.
TRUSTED_SUSTAINABILITY

Chemical Identifiers

CAS 52-89-1
Molecular Formula C3H8ClNO2S
Molecular Weight (g/mol) 157.61
MDL Number MFCD00064553
InChI Key IFQSXNOEEPCSLW-QYLAHFPANA-N
Synonym 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
PubChem CID 60960
IUPAC Name (2R)-2-amino-3-sulfanylpropanoic acid;hydrochloride
SMILES Cl.N[C@@H](CS)C(O)=O

Specifications

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),
Quantity 25 g
Odor Irritating
Formula Weight 157.62
Optical Rotation +6.4° (c=5 in 5N HCl)
Sensitivity Air sensitive; Hygroscopic
Percent Purity 98%
Chemical Name or Material L-Cysteine hydrochloride, anhydrous
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Safety and Handling

compliance-icons
Product Identifier
  • L-Cysteine hydrochloride, anhydrous
 Signal Word
  • Warning
 Hazard Category
  • Serious eye damage/eye irritation Category 2
  • Skin corrosion/irritation Category 2
  • Specific target organ toxicity Category 3
 Hazard Statement
  • H315-Causes skin irritation.
  • H319-Causes serious eye irritation.
  • H335-May cause respiratory irritation.
 Precautionary Statement
  • P261-Avoid breathing dust/fume/gas/mist/vapours/spray.
  • P280-Wear protective gloves/protective clothing/eye protection/face protection.
  • P302+P352-IF ON SKIN: Wash with plenty of water/soap.
  • P305+P351+P338-IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
 Supplemental information
  • MIXTURE LIST-Contains : L-Cysteine, hydrochloride

RUO – Research Use Only

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