Pemetrexed Impurity 29 CAS 146943-43-3
Purity >95%In StockPharmacopoeial Impurity Standards
| CAS No. | 146943-43-3 |
| Molecular Formula | C24H29N5O6 |
| Molecular Weight | 483.52 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Pemetrexed Impurity 29 (CAS 146943-43-3) is a pharmacopoeial impurity standards certified reference material from CATO. Molecular formula: C24H29N5O6. Molecular weight: 483.52 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C24H29N5O6 |
| Molecular Weight | 483.52 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | >95% |
| Storage | Store in a cool place (≤25°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) | 13.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1998 |
| Nitrogen Atoms | 5 |
Related Pemetrexed Standards
- Pemetrexed Impurity 28 (CAS CATO-C4X-172628)
- Pemetrexed Impurity 54 (CAS 1265908-58-4)
- Pemetrexed impurity 46 (CAS CATO-C4X-172646)
- Pemetrexed 6-Oxo DiMethyl Ester (CAS 1320346-45-9)
- Pemetrexed Impurity 30 (CAS 155405-81-5)
- Pemetrexed Impurity 51 (CAS CATO-C4X-172651)
- Pemetrexed Impurity N17 (CAS 1644286-36-1)
- Pemetrexed Impurity 12 (CAS CATO-C4X-172612)
Recommended Standards
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- Atomoxetine Impurity 8 (CAS 79130-51-1)
- Sertraline Impurity 65 (Mixture of Enantiomers) (CAS 2124277-88-7)
- 81273-81-6 L-Lactic acid-1-13C, sodium salt solution Sodium L-lactate-1-13C solution (CAS 81273-81-6)
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- Insulin B (22-25) (CAS 34367-73-2)
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