L-Cysteine hydrochloride, monohydrate, 99%+

Name: L-Cysteine hydrochloride, monohydrate, 99%+
Brand: Vaqora Chemicals
SKU: VQ-002125

About L-Cysteine hydrochloride, monohydrate, 99%+

Vaqora Chemicals supplies L-Cysteine hydrochloride, monohydrate in Biochemistry grade, an amino acid derivative registered under CAS number 7048-04-6, specified at ≥99% purity. The compound has the formula C3H10ClNO3S, corresponding to a molecular weight of 175.64 g/mol. The IUPAC name is (2R)-2-amino-3-sulfanylpropanoic acid. Hydrate. Hydrochloride. Common synonyms include L-Cysteine hydrochloride monohydrate and L-Cysteine hydrochloride hydrate.

The material typically appears as white powder or crystal or chunks. Keep the container tightly sealed and store it in a cool, dry area. The GHS classification uses the signal word “Warning”, so appropriate gloves, eye protection and ventilation are recommended.

Key uses span peptide synthesis, cell culture media, biochemical research and enzyme inhibition studies. It is used across academic and industrial research and diagnostics and biotechnology.

Vaqora Chemicals supplies L-Cysteine hydrochloride, monohydrate in 25 g, 100 g, 500 g and 1 kg packs, each shipped with a Certificate of Analysis (COA), and exports worldwide.

Typical applications

Peptide synthesis
Cell culture media
Biochemical research
Enzyme inhibition studies

Industries

Specifications & identifiers

Chemical identifiers
Product name	L-Cysteine hydrochloride, monohydrate, 99%+
Catalogue No.	VQ-002125
CAS Number	7048-04-6
IUPAC name	(2R)-2-amino-3-sulfanylpropanoic acid;hydrate;hydrochloride
Molecular formula	C₃H₁₀ClNO₃S
Molecular weight	175.64 g/mol
Exact mass	175.007
Grade	Biochemistry
Purity / assay	≥99%
HSN code	29309040
InChIKey	QIJRTFXNRTXDIP-JIZZDEOASA-N
SMILES	C([C@@H](C(=O)O)N)S.O.Cl
PubChem CID	23462

Physical properties
Physical form	Crystalline
Appearance	White powder or crystal or chunks
H-bond donors / acceptors	5 / 5
TPSA	65.3 Å²
Synonyms	L-Cysteine hydrochloride monohydrate, L-Cysteine hydrochloride hydrate, H-Cys-OH.HCl.H2O, (R)-2-Amino-3-mercaptopropanoic acid hydrochloride hydrate, L-Cysteine (hydrochloride hydrate), L-Cysteine monohydrate monochloride, (R)-2-Amino-3-mercaptopropanoic acid hydrochloride xhydrate, Cysteine HCl, L-Cysteine HCl hydrate, L-cysteine monohydrochloride monohydrate, L-Cysteine hydrochloride monohydrate, USP grade, Cysteine hydrochloride (USP)

Safety & hazard information (GHS)

Harmful / irritant

Signal word: Warning

Hazard statements

H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation

Precautionary statements: P261, P264, P264 + P265, P271, P280, P302 + P352, P304 + P340, P305 + P351 + P338, P319, P321, P332 + P317, P337 + P317, P362 + P364, P403 + P233, P405, P501

Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Other grades of CAS 7048-04-6

Reference Standard

Cysteine Hydrochloride Monohydrate

CAS: 7048-04-6
Formula: C₃H₁₀ClNO₃S
MW: 175.64 g/mol

In stock

BP/EP

L-Cysteine hydrochloride, monohydrate, BP/EP 98.50–101.00%

CAS: 7048-04-6
Formula: C₃H₁₀ClNO₃S
MW: 175.64 g/mol

VQ-046740

BP/USP/EP / Cell Cult…

L-Cysteine hydrochloride, monohydrate, BP/USP/EP, cell culture tested

CAS: 7048-04-6
Formula: C₃H₁₀ClNO₃S
MW: 175.64 g/mol

VQ-046057

Cell Culture

L-Cysteine hydrochloride, monohydrate, cell culture tested

CAS: 7048-04-6
Formula: C₃H₁₀ClNO₃S
MW: 175.64 g/mol

VQ-046327

Frequently asked questions

What is the CAS number of L-Cysteine hydrochloride, monohydrate, 99%+?

The CAS Registry Number of L-Cysteine hydrochloride, monohydrate, 99%+ is 7048-04-6. It is also known as L-Cysteine hydrochloride monohydrate, L-Cysteine hydrochloride hydrate, H-Cys-OH.HCl.H2O.

What is the molecular formula and molecular weight of L-Cysteine hydrochloride, monohydrate, 99%+?

L-Cysteine hydrochloride, monohydrate, 99%+ has the molecular formula C3H10ClNO3S and a molecular weight of 175.64 g/mol.

Which grade and pack sizes of L-Cysteine hydrochloride, monohydrate, 99%+ can I order?

We supply L-Cysteine hydrochloride, monohydrate, 99%+ in Biochemistry (≥99%) grade, in 25 g, 100 g, 500 g, 1 kg, 4 x 25 kg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with L-Cysteine hydrochloride, monohydrate, 99%+?

Yes. Every lot of L-Cysteine hydrochloride, monohydrate, 99%+ is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can L-Cysteine hydrochloride, monohydrate, 99%+ be shipped internationally?

Yes. L-Cysteine hydrochloride, monohydrate, 99%+ is classified as hazardous, so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.