Camptothecin Impurity 9 CAS 67656-30-8
Purity 97%+In StockPharmacopoeial Impurity Standards
| CAS No. | 67656-30-8 |
| Molecular Formula | C20H16N2O5 |
| Molecular Weight | 364.35 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
High-purity Camptothecin Impurity 9 (CAS 67656-30-8) pharmacopoeial impurity standards reference standard. Molecular formula: C20H16N2O5. Molecular weight: 364.35 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.
Physical & Chemical Properties
| Molecular Formula | C20H16N2O5 |
| Molecular Weight | 364.35 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) | 14.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1976 |
| Nitrogen Atoms | 2 |
Related Camptothecin Standards
- Camptothecin Impurity 10 (CAS 68426-53-9)
- Camptothecin impurity 17 (CAS 86639-48-7)
- 7-Methyl Camptothecin (CAS 78287-26-0)
- (R)-(-)-Camptothecin-d5 (CAS 1329793-44-3)
- (S)-(+)-Camptothecin D5 (CAS 1329616-37-6)
- Camptothecin Impurity 16 (CAS 870527-52-9)
- 11-Ethyl Camptothecin (CAS 185807-29-8)
- Camptothecin Impurity 12 (CAS 19685-10-0)
Recommended Standards
- Serotonin Impurity 11 (CAS CATO-C4X-253411)
- Serotonin Impurity 13 (CAS 55747-60-9)
- Irinotecan Hydrochloride Trihydrate EP Impurity B (CAS 19685-09-7)
- Topiramate Impurity 9 (CAS 58238-46-3)
- Pramipexole Impurity 44 (CAS 1001648-65-2)
- 2,2,2-Trifluoroethyl n-[3-(5-methyl-1h-pyrazol-4-yl)propyl]carbamate hydrochloride (CAS 1397062-20-2)
- 8-Methyl-3-methylene-8-azabicyclo[3.2.1]octane (CAS 99838-33-2)
- 2-(5,6-Dibromo-3-(difluoromethyl)pyridin-2-yl)acetonitrile (CAS 1806787-02-9)
- (R)-2-amino-3-(4-(2-fluoroethoxy)phenyl)propanoic acid (CAS 223463-90-9)
- Neuroendocrine Regulatory Peptide-1 (rat) (CAS 954420-51-0)
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