Paclitaxel Impurity 34 CAS 71629-92-0
Purity >95%In StockPharmacopoeial Impurity Standards
| CAS No. | 71629-92-0 |
| Molecular Formula | C29H36O10 |
| Molecular Weight | 544.59 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies Paclitaxel Impurity 34 (CAS 71629-92-0), a pharmacopoeial impurity standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C29H36O10. Molecular weight: 544.59 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C29H36O10 |
| Molecular Weight | 544.59 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | >95% |
| Storage | Store at room temperature, 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) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1977 |
Related Paclitaxel Standards
- Paclitaxel Impurity 33 (CAS 92950-42-0)
- Paclitaxel Impurity 31 (CAS 171926-87-7)
- Paclitaxel EP Impurity N (CAS 27548-93-2)
- Paclitaxel Impurity 37 (CAS 31077-81-3)
- Paclitaxel Impurity 54 (CAS CATO-C4X-184254)
- Paclitaxel Impurity 21 (CAS 30244-37-2)
- Paclitaxel side chain acid (CAS 949023-16-9)
- Paclitaxel Impurity 49 (CAS 2180123-01-5)
Recommended Standards
- Docetaxel EP Impurity E (CAS 32981-86-5)
- 5’-O-(4,4’-Dimethoxytrityl)-3’-β-hydroxythymidine (CAS 112501-53-8)
- Docetaxel Impurity 37 (CAS 172018-16-5)
- Cinacalcet Impurity 15 (CAS 1229225-42-6；1229512-52-0（free base））)
- Cholecalciferol Impurity 19 (CAS CATO-C4X-158619)
- 4-(6-{[(4-chlorophenyl)sulfanyl]methyl}-2-methylpyrimidin-4-yl)morpholine (CAS 477866-84-5)
- Tert-butyl 2-amino-2-(tetrahydro-2H-pyran-4-yl)acetate (CAS 1543387-05-8)
- 2-(4-(Methoxycarbonyl)phenyl)-2-methylpropanoic acid (CAS 1314651-55-2)
- 2-(3,4-Difluorophenoxy)-4-methylaniline (CAS 946729-19-7)
- C-Peptide (Proinsulin) (CAS 59112-80-0)
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