Molekula
L-Cysteine ethyl ester hydrochloride
L-Cysteine ethyl ester hydrochloride is a sulfur-containing amino acid derivative used in biochemical research, peptide synthesis, and as a reducing agent in cell culture and pharmaceutical formulations. It is available in powder form with a molecular weight of 185.67 g/mol, CAS number 868-59-7, and molecular formula HSCH2CH(NH2)COOC2H5 · HCl. Stable at ambient temperature, it requires no special storage conditions. Molekula supplies L-Cysteine ethyl ester hydrochloride from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Overview
L-Cysteine ethyl ester hydrochloride is a sulfur-containing amino acid derivative used in biochemical research, peptide synthesis, and as a reducing agent in cell culture and pharmaceutical formulations. It is available in powder form with a molecular weight of 185.67 g/mol, CAS number 868-59-7, and molecular formula HSCH2CH(NH2)COOC2H5 · HCl. Stable at ambient temperature, it requires no special storage conditions. Molekula supplies L-Cysteine ethyl ester hydrochloride from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Pricing & pack sizes
Specifications
| Property | Value |
|---|---|
| Appearance | Solid |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Shelf Life | 24 months |
| Acidity | Neutral |
Identification
| Property | Value |
|---|---|
| SKU | 12901788 |
| CAS Number | 868-59-7 |
| Molecular Formula | HSCH2CH(NH2)COOC2H5 · HCl |
| Molecular Weight | 185.67 |
| SMILES | Cl.O=C(OCC)C(N)CS |
| REACH Code | Y113 |
| TSCA Listed | Yes |
| HTS Code | 29309092 |
| Tariff Code | 2930901600 |
Safety & GHS
Precautionary statements
- P264 Wash thoroughly after handling
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P308+313 IF exposed or concerned: Get medical advice/attention
For research and industrial use only
Documents
Safety Data Sheets (SDS)
Available in IT, FR, ES, DE, EN.
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IT - (12901788) L-CYSTEINE ETHYL ESTER HYDROCHLORIDE [868-59-7].pdf
SDS · IT · 206 KB
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FR - (12901788) L-CYSTEINE ETHYL ESTER HYDROCHLORIDE [868-59-7].pdf
SDS · FR · 209 KB
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ES - (12901788) L-CYSTEINE ETHYL ESTER HYDROCHLORIDE [868-59-7].pdf
SDS · ES · 209 KB
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DE - (12901788) L-CYSTEINE ETHYL ESTER HYDROCHLORIDE [868-59-7].pdf
SDS · DE · 208 KB
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EN - (12901788) L-CYSTEINE ETHYL ESTER HYDROCHLORIDE [868-59-7].pdf
SDS · EN · 205 KB
Certificate of Analysis (CoA) by batch
Enter a lot or batch number to retrieve the CoA for that specific batch. We can generate one from spec data if no PDF is on file.
Synonyms
No alternate names recorded for this product.
Frequently asked questions
What is L-Cysteine ethyl ester hydrochloride used for?
It is commonly used as a reducing agent in biochemical research and as a precursor in the synthesis of peptides and other sulfur-containing compounds.
What is the chemical formula and molecular weight?
The formula is HSCH2CH(NH2)COOC2H5 · HCl with a molecular weight of 185.67 g/mol.
How should L-Cysteine ethyl ester hydrochloride be stored?
It should be stored at ambient temperature, protected from moisture and light.
What grade is available?
Available in technical grade; please contact us for custom specifications or higher purity options.
Can Molekula supply it in bulk?
Yes, we can supply L-Cysteine ethyl ester hydrochloride in bulk quantities—please contact our sales team for pricing and availability.
What documentation comes with the order?
Each order includes a Certificate of Analysis (CoA); additional documentation such as MSDS or COO can be provided upon request.
Ready to order or need a custom pack?
Tell us the product, grade, and quantity — Molekula usually responds within one working day with pricing and lead time.