L-Cysteine hydrochloride monohydrate
L-Cysteine hydrochloride monohydrate (CAS: 7048-04-6) is a stable, crystalline salt form of the naturally occurring amino acid L-cysteine. Its chemical formula is HSCH 2 CH(NH 2 )COOH · HCl · H 2 O, with a molecular weight of 175.63 g/mol. This reagent grade compound is soluble in water and finds utility in various biochemical research applications, including cell culture and as a component in specialised media formulations.
Biochemical Research
Utilised as a supplement in cell culture media to enhance cell growth and viability. It can also serve as a reducing agent in biochemical assays and studies.
Chemical Synthesis
Acts as a precursor or building block in the synthesis of various organic compounds and pharmaceutical intermediates. Its thiol group offers a site for specific chemical modifications.
Enzyme Assays
Employed in the study and analysis of enzyme kinetics and mechanisms, particularly where cysteine residues play a role in enzyme activity.
| Molecular weight | 175.63 |
|---|---|
| Linear formula | HSCH2CH(NH2)COOH · HCl · H2O |
| Assay | ≥98% (TLC) |
| Grade | reagent grade |
| Solubility | H2O: soluble100 g/L at 25 °C |
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) | 36/37/38 |
| Safety statements (S) | 26 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets 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 monohydrate used for?
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L-Cysteine hydrochloride monohydrate is primarily used in biochemical research, including cell culture, as a component in specialised media, and in chemical synthesis as a precursor.
What is the CAS number and formula for L-Cysteine hydrochloride monohydrate?
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The CAS number is 7048-04-6 and the linear formula is HSCH 2 CH(NH 2 )COOH · HCl · H 2 O.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies L-Cysteine hydrochloride monohydrate as reagent grade with an assay of ≥98% (TLC). This product is not represented as USP, BP, or EP grade.
How should L-Cysteine hydrochloride monohydrate be handled?
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Handle with appropriate personal protective equipment, including a dust mask type N95 (US), eyeshields, and gloves. Avoid breathing dust and ensure adequate ventilation. Refer to the safety data sheet for detailed information.
How is L-Cysteine hydrochloride monohydrate packed, shipped, and exported?
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L-Cysteine hydrochloride monohydrate is carefully packed for secure transit and is available for global export by Tech Serve Solutions, a trusted supplier since 1998.
How can I request a sample or quote for L-Cysteine hydrochloride monohydrate?
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To request a sample or a formal quotation, please contact our sales team through the website or by phone, providing your specific requirements and shipping details.
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