Camptothecin Impurity N3 CAS 119403-33-7
Purity 97%+In StockPharmacopoeial Impurity Standards
| CAS No. | 119403-33-7 |
| Molecular Formula | C20H14N2O4 |
| Molecular Weight | 346.34 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
High-purity Camptothecin Impurity N3 (CAS 119403-33-7) pharmacopoeial impurity standards reference standard. Molecular formula: C20H14N2O4. Molecular weight: 346.34 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.
Physical & Chemical Properties
| Molecular Formula | C20H14N2O4 |
| Molecular Weight | 346.34 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| 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) | 15.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1991 |
| Nitrogen Atoms | 2 |
Related Camptothecin Standards
- (R)-(-)-Camptothecin (CAS 110351-92-3)
- (R)-Camptothecin (CAS 1083-11-0)
- (S)-(+)-Camptothecin (CAS 7689-03-4)
- Camptothecin Impurity 16 (CAS 870527-52-9)
- (R)-(-)-Camptothecin-d5 (CAS 1329793-44-3)
- (S)-(+)-Camptothecin D5 (CAS 1329616-37-6)
- 7-Methyl Camptothecin (CAS 78287-26-0)
- Camptothecin Impurity 10 (CAS 68426-53-9)
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- Neuropeptide Y (13-36) (porcine) (CAS 113662-54-7)
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