Fmoc-Cysteinol(acm) CAS 198543-46-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 198543-46-3 |
| Molecular Formula | C21H24N2O4S |
| Molecular Weight | 400.49 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
High-purity Fmoc-Cysteinol(acm) (CAS 198543-46-3) pharmaceutical standards reference standard. Molecular formula: C21H24N2O4S. Molecular weight: 400.49 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.
Physical & Chemical Properties
| Molecular Formula | C21H24N2O4S |
| Molecular Weight | 400.49 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2013 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
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Recommended Standards
- Diltiazem EP Impurity D (CAS 86408-45-9)
- N-(4-Methoxy-3-(2-oxopyrrolidin-1-yl)phenyl)-5,6,7,8-tetrahydronaphthalene-2-sulfonamide (CAS 941918-32-7)
- Diltiazem - Impurity C (Freebase) (CAS 84903-78-6)
- 1-Phenylbut-2-en-1-ol (CAS 3347-57-7)
- 2-methyl-6-nitro-2H-indazole (CAS 6850-22-2)
- 1-Bromo-4-(vinyloxy)benzene (CAS 1005-61-4)
- Ethyl 5-chloro-3-methylpyrazine-2-carboxylate (CAS 1823898-11-8)
- Clindamycin Impurity 56 (CAS CATO-C4X-134156)
- 3-(ethylamino)oxetane-3-carboxamide (CAS 1504547-58-3)
- Tirzepatide Impurity 35 (CAS CATO-C4X-324035)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 13829788188 / jacky.chen@cato-chem.com