S-(2-Carboxyethyl)-L-cysteine CAS 4033-46-9
Purity >95%In StockPharmaceutical Standards
| CAS No. | 4033-46-9 |
| Molecular Formula | C6H11NO4S |
| Molecular Weight | 193.22 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
S-(2-Carboxyethyl)-L-cysteine (CAS 4033-46-9) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C6H11NO4S. Molecular weight: 193.22 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C6H11NO4S |
| Molecular Weight | 193.22 g/mol |
| Purity | >95% |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| Stability | Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 2.0 |
| CAS Registry Year (est.) | 1958 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related S Standards
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Recommended Standards
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- 4-(3-Formylphenyl)benzoic acid (CAS 222180-23-6)
- 2-(4-(Trifluoromethoxy)phenyl)ethanethioamide (CAS 1016725-27-1)
- Insulin Degludec Impurity 14 (CAS CATO-C4X-215714)
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