| CAS No. | 379688-61-6 |
| Molecular Formula | C41[13C]6H51NO14 |
| Molecular Weight | 859.86 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Paclitaxel 13C [~1.0Mg/Ml](P) (In Solution) (CAS 379688-61-6) is a high-purity analytical reference standard with the molecular formula C41[13C]6H51NO14 and a molecular weight of 859.86 g/mol.
Owing to a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, Paclitaxel 13C [~1.0Mg/Ml](P) (In Solution) is typically pale yellow to yellow amorphous powder. Its solid-state physicochemical attributes — including a molecular weight of 859.86 g/mol — guide the selection of appropriate sample preparation and analytical techniques. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), Paclitaxel 13C [~1.0Mg/Ml](P) (In Solution) meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
| Molecular Formula | C41[13C]6H51NO14 |
| Molecular Weight | 859.86 g/mol |
| Purity | 97%+ |
| 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) | 18.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 1 |