Cysteine
Buy Cysteine (CAS 52-90-4) from Zemixal: C3H7NO2S, COA and SDS with every lot, worldwide shipping. Packs from 10 mg. Catalogue no. ZX-006477.
About Cysteine
Cysteine is supplied by Zemixal as a characterised reference material for Cysteine analysis. For your records (Reference Standard), the material is defined by CAS 52-90-4, formula C3H7NO2S and molar mass 121.16 g/mol. It is handled as a solid.
Common uses in the lab and plant
- Identification & assay
- Method development & validation
- QC reference material
Handling and storage
Hazard communication follows GHS (Warning: H302, H315, H319 and H335). Our SDS lists exposure controls and first-aid measures.
Order it in 10 mg, 25 mg, 50 mg and 100 mg packs or ask for a bulk quotation. Every shipment includes a certificate of analysis with characterisation data. Send an enquiry through the quote panel and you get a formal offer with Incoterms and delivery time.
See every impurity, metabolite and related compound we list for this API.
Cysteine standardsTypical uses
- Identification & assay
- Method development & validation
- QC reference material
Applications
Specifications and identifiers
| Product name | Cysteine |
|---|---|
| Catalogue number | ZX-006477 |
| CAS number | 52-90-4 |
| Other CAS numbers | 52-89-1, 7048-04-6 |
| IUPAC name | (2R)-2-amino-3-sulfanylpropanoic acid |
| Molecular formula | C3H7NO2S |
| Molar mass | 121.16 g/mol |
| Exact mass | 121.0197 |
| Grade | Reference Standard |
| Physical form | Solid |
| XLogP3 | -2.5 |
| H-bond donors / acceptors | 3 / 4 |
| Topological polar surface area | 64.3 Ų |
| HS code | 38229090 |
| InChIKey | XUJNEKJLAYXESH-REOHCLBHSA-N |
| SMILES | C([C@@H](C(=O)O)N)S |
| PubChem CID | 5862 |
| Synonyms | (R)-2-Amino-3-mercaptopropanoic acid, (R) -2-Amino-3-mercaptopropanoic acid, (R)-2-Amino-3-sulfanylpropanoic acid, (R)-Cysteine, L-(+)-Cysteine, 2-Amino-3-mercaptopropanoic acid, 2-Amino-3-mercaptopropionic acid, Thioserine, β-Mercaptoalanine, Cystein, L-cysteine, Half-cystine |
Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.
Safety and GHS hazards
Signal word Warning
- H302Harmful if swallowed
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements P261, P264, P264 + P265, P270, P271, P280, P301 + P317, P302 + P352, P304 + P340, P305 + P351 + P338, P319, P321, P330, P332 + P317, P337 + P317, P362 + P364, P403 + P233, P405, P501
Classification summarised from public GHS notifications. It can vary with grade and concentration, so always follow the SDS supplied with your lot.
Pack sizes
| 10 mg | Quoted on request | |
| 25 mg | Quoted on request | |
| 50 mg | Quoted on request | |
| 100 mg | Quoted on request |
Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.
Questions about Cysteine
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Other grades with CAS 52-90-4
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