Phenylbutyrate Impurity 12 CAS CATO-C4X-258312
| CAS No. | CATO-C4X-258312 |
| Molecular Formula | C24H30O5 |
| Molecular Weight | 398.49 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including Phenylbutyrate Impurity 12.
Phenylbutyrate Impurity 12 (CAS CATO-C4X-258312) is a certified pharmaceutical impurity reference standard with the molecular formula C24H30O5 and a molecular weight of 398.49 g/mol.
Structurally, Phenylbutyrate Impurity 12 (C24H30O5) contains a flavonoid core, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 10.0, corresponding to approximately 10 ring(s) or double-bond equivalent(s). With a molecular weight of 398.49 g/mol, it falls into the moderately-high-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
This reference standard supports related-substances testing and method development in line with ICH Q3A/Q3B guidance on impurity control, and is suitable for system suitability testing and forced-degradation studies.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C24H30O5 |
| Molecular Weight | 398.49 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | >95% |
| 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) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
Related Phenylbutyrate Standards
- Phenylbutyrate Impurity 7 (CAS 864811-35-8)
- Phenylbutyrate Impurity 8 (CAS 1443417-10-4)
- Phenylbutyrate Impurity 18 (CAS CATO-C4X-258318)
- Phenylbutyrate Impurity 12 (CAS CATO-C4X-258313)
- Phenylbutyrate Impurity 11 (CAS CATO-C4X-258311)
- Phenylbutyrate Impurity 15 (CAS 77063-20-8)
- Phenylbutyrate Impurity 17 (CAS CATO-C4X-258317)
- Phenylbutyrate Impurity 9 (CAS 54698-75-8)
Recommended Standards
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- Resibufagin (CAS 20987-24-0)
- Venlafaxine Impurity 25 (CAS CATO-C4X-143425)
- Amodiaquine Impurity 3 (CAS 102391-07-1)
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