Hydantoin Impurity 33 CAS 10040-91-2
Purity >95%In StockPharmacopoeial Impurity Standards
| CAS No. | 10040-91-2 |
| Molecular Formula | C12H12N2O4 |
| Molecular Weight | 248.23 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Order Hydantoin Impurity 33 (CAS 10040-91-2) pharmacopoeial impurity standards reference standard from CATO: ISO 17034 accredited producer, 130,000+ catalog items in stock. Molecular formula: C12H12N2O4. Molecular weight: 248.23 g/mol. COA included with every batch.
Physical & Chemical Properties
| Molecular Formula | C12H12N2O4 |
| Molecular Weight | 248.23 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | >95% |
| Storage | Store at 2-8°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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1959 |
| Nitrogen Atoms | 2 |
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Recommended Standards
- Dexrazoxane Impurity 43 (CAS CATO-C4X-202043)
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- Dexrazoxane Impurity 24 (CAS CATO-C4X-202024)
- Iobitridol Impurity 24 (CAS CATO-C4X-317824)
- Abemaciclib Impurity 63 (CAS CATO-C4X-293763)
- Ethyl-3-iodo-1H-indole-2-carboxylate (CAS 117637-79-3)
- N-(2-Fluoro-3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)propane-1-sulfonamide (CAS 1269233-76-2)
- Ethyl (2R,3R)-3-phenyloxirane-2-carboxylate (CAS 126060-73-9)
- Bendamustine Impurity 7 (CAS 1138238-08-0)
- Tau Peptide (401-411)-Lys-Lys trifluoroacetate salt (CAS 2022956-59-6)
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