Molekula

L-Cysteine hydrochloride monohydrate (TF)

SKU 90030878 CAS 7048-04-6 C3H7NO2S·HCl·H2O MW 175.64 Available on enquiry

Supplying 4,500+ customers in over 80 countries

ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 2000 · Certificate of Analysis with every batch

L-Cysteine hydrochloride monohydrate (technical grade) is a crystalline amino acid derivative widely used in pharmaceuticals, cosmetics, and food processing as a reducing agent, antioxidant, and hair treatment additive. It supports disulfide bond formation in protein synthesis and improves product texture and stability. This technical-grade chemical has a CAS number of 7048-04-6, with the molecular formula C3H7NO2S·HCl·H2O and a molecular weight of 175.64. It is stored at ambient conditions and carries a signal word of *Warning* for safety. Molekula supplies L-Cysteine hydrochloride monohydrate (TF) from research to bulk quantities with full documentation and ISO 9001:2015 traceability.

This substance is available from Molekula on enquiry. Full specification, Safety Data Sheet and Certificate of Analysis documentation are provided with your quotation once our team confirms the grade and pack size you need.

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Overview

SKU: 90030878
CAS Number: 7048-04-6
IUPAC Name: (2R)-2-amino-3-sulfanylpropanoic acid;hydrate;hydrochloride
EC Number: 615-117-8
Molecular Formula: C3H7NO2S·HCl·H2O
Molecular Weight: 175.64
Exact Mass: 175.007
SMILES: C([C@@H](C(=O)O)N)S.O.Cl
InChIKey: QIJRTFXNRTXDIP-JIZZDEOASA-N
InChI: InChI=1S/C3H7NO2S.ClH.H2O/c4-2(1-7)3(5)6;;/h2,7H,1,4H2,(H,5,6);1H;1H2/t2-;;/m0../s1
PubChem CID: 23462

See all 2 other grades of CAS 7048-04-6 →

Frequently asked questions

What is L-Cysteine hydrochloride monohydrate (TF) commonly used for?

L-Cysteine hydrochloride monohydrate (TF) is primarily used in pharmaceuticals as a precursor for drug synthesis, in cosmetics for hair treatments, and as a reducing agent in food processing.

What is the chemical formula and molecular weight of L-Cysteine hydrochloride monohydrate?

The chemical formula is **C₃H₇NO₂S·HCl·H₂O**, and the molecular weight is **175.64 g/mol**.

How should L-Cysteine hydrochloride monohydrate be stored?

Store at **ambient temperature** in a dry, well-ventilated area, away from incompatible substances.

What grade of L-Cysteine hydrochloride monohydrate does Molekula supply?

Molekula supplies **Technical Grade (TF)** L-Cysteine hydrochloride monohydrate, suitable for industrial and pharmaceutical applications.

Can Molekula supply L-Cysteine hydrochloride monohydrate in bulk quantities?

Yes, Molekula can supply L-Cysteine hydrochloride monohydrate in **bulk quantities**—please contact us for specific packaging and pricing details.

What documentation comes with an order of L-Cysteine hydrochloride monohydrate?

Each order includes a **Certificate of Analysis (CoA)**, Material Safety Data Sheet (MSDS), and batch-specific documentation for traceability.

Related products

Molekula has supplied fine chemicals and biochemicals since 2000 from ISO 9001:2015 and ISO 14001:2015 certified facilities. Every dispatched batch is logged with a batch number and matched to a Certificate of Analysis, and Safety Data Sheets are available in five languages.