L-Cysteine methyl ester hydrochloride
L-Cysteine methyl ester hydrochloride (CAS: 18598-63-5) is a derivative of the amino acid cysteine. This white crystalline solid, with a molecular weight of 171.65 g/mol, is primarily utilised in chemical synthesis and research. Its structure makes it valuable in peptide chemistry and for studies within chemical biology, serving as a building block or intermediate in complex molecular constructions.
Chemical Synthesis
Serves as a key intermediate and building block in the synthesis of more complex organic molecules and pharmaceuticals. Its reactive functional groups allow for diverse chemical transformations.
Peptide Chemistry
Used in the construction of peptides and peptidomimetics. The ester and hydrochloride functionalities can be selectively manipulated in solid-phase or solution-phase peptide synthesis.
Chemical Biology Research
Employed in research settings to investigate biological processes involving amino acids and their derivatives. It can be used as a probe or tool in biochemical studies.
| Molecular weight | 171.65 |
|---|---|
| Linear formula | HSCH2CH(NH2)COOCH3 · HCl |
| Assay | 98% |
| Optical activity | [α]20/D −1.8°, c = 10 in methanol |
| Melting point | 142 °C (dec.)(lit.) |
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) | 2 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37/38 |
| Safety statements (S) | 26-36 |
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 methyl ester hydrochloride used for?
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L-Cysteine methyl ester hydrochloride is primarily used in chemical synthesis, peptide chemistry, and chemical biology research as a building block or intermediate.
What is the CAS number and chemical formula for L-Cysteine methyl ester hydrochloride?
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The CAS number is 18598-63-5 and the linear formula is HSCH₂CH(NH₂)COOCH₃ · HCl.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies L-Cysteine methyl ester hydrochloride with a minimum assay of 98%. This product is typically supplied for research and chemical synthesis purposes and is not represented as USP, BP, or EP grade.
How should L-Cysteine methyl ester hydrochloride be handled safely?
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L-Cysteine methyl ester hydrochloride can cause skin irritation (H315), serious eye irritation (H319), and respiratory irritation (H335). It is advised to wear eyeshields, gloves, and a dust mask type N95 (US). Work in a well-ventilated area and avoid dust formation.
Does Tech Serve Solutions export L-Cysteine methyl ester hydrochloride?
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Yes, Tech Serve Solutions is a global supplier and exporter of fine chemicals, including L-Cysteine methyl ester hydrochloride, and can fulfil international orders.
How can I request a quote or sample?
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To request a quote or sample of L-Cysteine methyl ester hydrochloride, please contact the Tech Serve Solutions sales team through our website or by phone.
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