Paclitaxel EP Impurity A CAS 173101-54-7
Purity >95%In StockPharmacopoeial Impurity Standards
| CAS No. | 173101-54-7 |
| Molecular Formula | C45H53NO14 |
| Molecular Weight | 831.90 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Paclitaxel EP Impurity A (CAS 173101-54-7) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C45H53NO14. Molecular weight: 831.90 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C45H53NO14 |
| Molecular Weight | 831.90 g/mol |
| 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) | 20.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2006 |
| Nitrogen Atoms | 1 |
Related Paclitaxel Standards
- Paclitaxel Impurity 18 (CAS CATO-C4X-184218)
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- Paclitaxel EP Impurity R (CAS 158948-96-0)
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- Paclitaxel Impurity 38 (CAS 173101-55-8)
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- Paclitaxel Impurity 61 (CAS CATO-C4X-184261)
Recommended Standards
- Abz-Phe-Arg-Lys(Dnp)-Pro-OH (CAS 500799-61-1)
- N-[(11bR)-2,6-Di-9-anthracenyl-4-oxidodinaphtho[2,1-d:1',2'-f][1,3,2]dioxaphosphepin-4-yl]-1,1,1-trifluoromethanesulfonamide (CAS 957790-95-3)
- 1,1,1-Trifluoro-N-[(11bS)-8,9,10,11,12,13,14,15-octahydro-4-oxido-2,6-di-9-phenanthrenyldinaphtho[2,1-d:1′,2′-f][1,3,2]dioxaphosphepin-4-yl]methanesulfonamide (CAS 2757287-60-6)
- Lornoxicam impurity 67 (CAS CATO-C4X-201667)
- Relebactam Impurity 1 (CAS 2382365-77-5)
- 2-(Benzyloxy)-5-nitropyridine (CAS 75926-54-4)
- 1-(Methylthio)-5,6,7,8-tetrahydro-5,8-methanoisoquinoline (CAS 145041-54-9)
- 4-Cyclopropoxy-3-methoxypyridine (CAS 1243322-86-2)
- 2-(4-Isopropylphenoxy)ethane-1-sulfonyl chloride (CAS 1018340-55-0)
- Peptide 432 (CAS CATO-CPTD788432)
Why CATO?
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