Fluconazole EP Impurity I CAS 749821-19-0
Purity 97%+In StockPharmacopoeial Impurity Standards
| CAS No. | 749821-19-0 |
| Molecular Formula | C13H14F2N7O |
| Molecular Weight | 322.29 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Fluconazole EP Impurity I (CAS 749821-19-0) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C13H14F2N7O. Molecular weight: 322.29 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C13H14F2N7O |
| Molecular Weight | 322.29 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 9.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1986 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 7 |
Related Fluconazole Standards
- Fluconazole EP Impurity I (R-Isomer) (CAS CATO-C4X-101967)
- Fluconazole N-Oxide (CAS 1997296-62-4)
- Fluconazole Impurity 52 (CAS CATO-C4X-101952)
- Fluconazole Impurity 48 (CAS 1222655-38-0)
- Fluconazole Impurity 61 (CAS CATO-C4X-101961)
- Fluconazole Impurity 72 (CAS CATO-C4X-101972)
- Fluconazole Impurity 73 (CAS CATO-C4X-101973)
- Fluconazole EP Impurity H (CAS 150194-52-8)
Recommended Standards
- benzo[d][1,3]dioxol-5-yldiphenylphosphine oxide (CAS 209981-66-8)
- Sulfasalazine EP Impurity I (CAS 21542-82-5)
- 4-(4-Formyl-2-pyrimidinyl)phenyl 4-fluorobenzenecarboxylate (CAS 477870-91-0)
- Iodixanol Impurity 19 (CAS 134768-69-7)
- Faropenem Impurity 11 Disodium Salt (CAS 130609-10-8)
- 4,4,5,5,5-Pentafluoropentyl carbamimidothioate methanesulfonate (CAS 1107606-68-7)
- tert-Butyl 4-nitropiperidine-1-carboxylate (CAS 1228630-89-4)
- 4-((2,2-Difluorocyclopropyl)methoxy)benzaldehyde (CAS 1707562-77-3)
- 8-hydroxy-3,4-dihydrobenzo[b]thiepin-5(2H)-one (CAS 2226905-42-4)
- Semaglutide Impurity 10 (CAS CATO-C4X-222610)
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