Cysteine Hydrochloride Monohydrate

Name: Cysteine Hydrochloride Monohydrate
Brand: Vaqora Chemicals
SKU: VQ-007401

About Cysteine Hydrochloride Monohydrate

Listed under CAS 7048-04-6, Cysteine Hydrochloride Monohydrate is a high-purity reference standard of Cysteine available from Vaqora Chemicals. 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. It is also known as Cysteine hydrochloride or (R)-Cysteine Hydrochloride Hydrate.

It is supplied as a solid. Store the standard in its sealed vial, protected from light and moisture, and follow the storage condition printed on the COA. The GHS classification uses the signal word “Warning”, so appropriate gloves, eye protection and ventilation are recommended.

Laboratories use this Cysteine standard for identity and assay testing, system suitability checks and method validation supporting ANDA and DMF filings. Typical end-use sectors are pharmaceutical manufacturing and academic and industrial research.

Available in 10 mg, 25 mg, 50 mg and 100 mg packs, Cysteine Hydrochloride Monohydrate is dispatched with a Certificate of Analysis (COA) to destinations worldwide. This item is currently in stock for prompt dispatch.

Typical applications

Identification & assay
Method development & validation
QC reference material

Industries

Related to Cysteine

View every impurity, metabolite and intermediate we list for Cysteine.

Cysteine impurities

Specifications & identifiers

Chemical identifiers
Product name	Cysteine Hydrochloride Monohydrate
Catalogue No.	VQ-007401
CAS Number	7048-04-6
Other CAS	52-90-4, 52-89-1
IUPAC name	(2R)-2-amino-3-sulfanylpropanoic acid;hydrate;hydrochloride
Molecular formula	C₃H₁₀ClNO₃S
Molecular weight	175.64 g/mol
Exact mass	175.007
Grade	Reference Standard
HSN code	38229090
InChIKey	QIJRTFXNRTXDIP-JIZZDEOASA-N
SMILES	C([C@@H](C(=O)O)N)S.O.Cl
PubChem CID	23462

Physical properties
Physical form	Solid
H-bond donors / acceptors	5 / 5
TPSA	65.3 Å²
Synonyms	Cysteine hydrochloride, (R)-Cysteine Hydrochloride Hydrate, (R)-2-Amino-3-mercaptopropanoic Acid Hydrochloride Hydrate, L-cysteine Hydrochloride Hydrate, Cysteine monohydrate hydrochloride, L-Cysteine hydrochloride monohydrate, H-Cys-OH.HCl.H2O, L-Cysteine (hydrochloride hydrate), L-Cysteine monohydrate monochloride, (R)-2-Amino-3-mercaptopropanoic acid hydrochloride xhydrate, Cysteine HCl, L-Cysteine HCl hydrate

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

Biochemistry

L-Cysteine hydrochloride, monohydrate, 99%+

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

VQ-002125

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 Cysteine Hydrochloride Monohydrate?

The CAS Registry Number of Cysteine Hydrochloride Monohydrate is 7048-04-6. It is also known as Cysteine hydrochloride, (R)-Cysteine Hydrochloride Hydrate, (R)-2-Amino-3-mercaptopropanoic Acid Hydrochloride Hydrate.

What is the molecular formula and molecular weight of Cysteine Hydrochloride Monohydrate?

Cysteine Hydrochloride Monohydrate has the molecular formula C3H10ClNO3S and a molecular weight of 175.64 g/mol.

What is Cysteine Hydrochloride Monohydrate used for?

Cysteine Hydrochloride Monohydrate is supplied as a characterised reference material related to Cysteine. It is used for analytical method development and validation (AMV), impurity profiling, stability studies and quality control, and in ANDA/DMF regulatory filings.

Which grade and pack sizes of Cysteine Hydrochloride Monohydrate can I order?

We supply Cysteine Hydrochloride Monohydrate in Reference Standard grade, in 10 mg, 25 mg, 50 mg, 100 mg, 250 mg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Cysteine Hydrochloride Monohydrate?

Yes. Every lot of Cysteine Hydrochloride Monohydrate 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 Cysteine Hydrochloride Monohydrate be shipped internationally?

Yes. Cysteine Hydrochloride Monohydrate 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.