Paclitaxel Impurity 12 CAS 4522-04-7
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 4522-04-7 |
| Molecular Formula | C16H23NO4 |
| Molecular Weight | 293.36 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Paclitaxel Impurity 12 (CAS 4522-04-7) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C16H23NO4. Molecular weight: 293.36 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C16H23NO4 |
| Molecular Weight | 293.36 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1958 |
| Nitrogen Atoms | 1 |
Related Paclitaxel Standards
- Paclitaxel Impurity 28 (CAS 32981-85-4)
- Paclitaxel Impurity N1 (CAS 132201-33-3)
- Paclitaxel Impurity 25 (CAS 153433-80-8)
- Paclitaxel Impurity N3 (CAS 163594-75-0)
- Paclitaxel Impurity 47 (CAS 849831-77-2)
- Paclitaxel Impurity N2 (CAS 337515-55-6)
- Paclitaxel side chain acid (CAS 949023-16-9)
- Paclitaxel Impurity 49 (CAS 2180123-01-5)
Recommended Standards
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- 5-(4-Fluorophenyl)-1,3,4-oxadiazole-2(3H)-thione (CAS 41421-13-0)
- 6-Methyl-5-phenylpyrimidine-2,4-diamine (CAS 18588-50-6)
- Naphtho[2,1-b]thiophene (CAS 233-02-3)
- Vialox Peptide(Pentapeptide-3) (CAS 135679-88-8)
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