L-Cysteine hydrochloride
L-Cysteine hydrochloride (CAS 52-89-1), molecular formula HSCH2CH(NH2)COOH · HCl, is a high-purity chemical supplied by Tech Serve Solutions for chemical synthesis applications, to pharmacopoeia specification (USP, BP, EP). Every batch is tested and ships with a Certificate of Analysis; MSDS and technical data sheets are available on request. Tech Serve Solutions has supplied laboratory reagents, fine chemicals and pharmaceutical intermediates worldwide since 1998.
| Molecular weight | 157.62 |
|---|---|
| Linear formula | HSCH2CH(NH2)COOH · HCl |
| Assay | ≥99.0% (RT) |
| Solubility | H2O: soluble1 M at 20 °C, clear, colorless |
| Optical activity | [α]20/D +6.4±0.3°, c = 5% in 5 M HCl |
| Loss on drying | ≤1.0% loss on drying |
| Impurities tested | ≤0.5% foreign amino acids |
Hazard statements
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P305IF IN EYES
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37/38Cd: ≤5 mg/kg |
| Safety statements (S) | 26-36Co: ≤5 mg/kg |
| Cation traces | Ca: ≤10 mg/kgCd: ≤5 mg/kgCo: ≤5 mg/kgCr: ≤5 mg/kgCu: ≤5 mg/kgFe: ≤5 mg/kgK: ≤50 mg/kgMg: ≤5 mg/kgMn: ≤5 mg/kgNH4+: ≤500 mg/kgNa: ≤50 mg/kgNi: ≤5 mg/kgPb: ≤5 mg/kgZn: ≤5 mg/kg |
| Anion traces | sulfate (SO42-): ≤100 mg/kg |
| Ignition residue | ≤0.1% (as SO4) |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
| Uv Absorption | λ: 260 nm Amax: 1.0λ: 280 nm Amax: 0.2 |
|---|
Documentation
Supplied to USP, BP and EP standards. Every batch ships with a Certificate of Analysis (assay, identity, purity); MSDS and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is L-Cysteine hydrochloride?
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L-Cysteine hydrochloride (CAS 52-89-1), molecular formula HSCH2CH(NH2)COOH · HCl, is a high-purity chemical supplied by Tech Serve Solutions for chemical synthesis applications, to USP, BP and EP standards.
What grades of L-Cysteine hydrochloride does Tech Serve Solutions supply?
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Tech Serve Solutions supplies L-Cysteine hydrochloride in USP, BP, EP and reagent/AR grades. Custom specifications for nutraceutical or specialty pharmaceutical applications are available — contact our technical sales team.
What is the CAS number and molecular formula of L-Cysteine hydrochloride?
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L-Cysteine hydrochloride has CAS number 52-89-1 and molecular formula HSCH2CH(NH2)COOH · HCl. Full specifications appear in the table above and in the Certificate of Analysis.
What is the typical minimum order quantity and lead time for L-Cysteine hydrochloride?
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Sample quantities are available for technical evaluation; bulk MOQ depends on grade and packaging. In-stock material typically ships in 7–10 working days; custom-spec orders take 3–4 weeks. Tech Serve Solutions ships worldwide with full export documentation.
Do you provide a Certificate of Analysis (CoA) with each shipment?
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Yes. Every batch of L-Cysteine hydrochloride ships with a Certificate of Analysis covering assay, identity and purity tests, plus pharmacopoeia conformance where applicable. MSDS and TDS documents are available on request before order placement.
How should L-Cysteine hydrochloride be stored?
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Store L-Cysteine hydrochloride in its original sealed container in a cool, dry place away from direct sunlight and incompatible materials, in line with the storage guidance on the Safety Data Sheet. Reseal between dispensings.
What is L-Cysteine hydrochloride used for?
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L-Cysteine hydrochloride is used in chemical synthesis applications across pharmaceutical, research and industrial settings. Our technical team can advise on suitability for your specific process.
How do I request a quote for L-Cysteine hydrochloride?
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Request a quote with your required grade, quantity and destination via https://www.techservesolutions.in/contact or email info@techservesolutions.in. We respond with specifications, a Certificate of Analysis and pricing.
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