Posaconazole Impurity 7 CAS 166583-12-6
Purity 97%+In StockPharmacopoeial Impurity Standards
| CAS No. | 166583-12-6 |
| Molecular Formula | C21H21F2N3O4S |
| Molecular Weight | 449.47 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Posaconazole Impurity 7 (CAS 166583-12-6) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C21H21F2N3O4S. Molecular weight: 449.47 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C21H21F2N3O4S |
| Molecular Weight | 449.47 g/mol |
| Purity | 97%+ |
| 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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2004 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
Related Posaconazole Standards
- Posaconazole Impurity 10 (CAS 149809-43-8)
- Posaconazole Impurity 11 (CAS 159811-30-0)
- Posaconazole Impurity 139 (CAS CATO-C4X-1208139)
- Posaconazole Impurity 140 (CAS CATO-C4X-1208140)
- Posaconazole Impurity 141 (CAS CATO-C4X-1208141)
- Posaconazole Impurity 142 (CAS CATO-C4X-1208142)
- Posaconazole Impurity 146 (CAS CATO-C4X-1208146)
- Posaconazole Impurity 147 (CAS CATO-C4X-1208147)
Recommended Standards
- Posaconazole Impurity 6 (CAS 149809-42-7)
- (11bR)-N-Methyl-N-[(R)-1-phenylethyl]-dinaphtho[2,1-d:1',2'-f][1,3,2]dioxaphosphepin-4-amine (CAS 1021439-57-5)
- Posaconazole Impurity 33 (CAS CATO-C4X-120833)
- Salbutamol Impurity 204 (CAS CATO-C4X-1176204)
- Larotrectinib Impurity 13 (CAS CATO-C4X-238013)
- 3-(2H-1,3-benzodioxol-5-yl)-4,5-dihydro-1,2-oxazole-5-carboxylic acid (CAS 1043605-25-9)
- 10,11-Dihydrobenz[a]anthracene (CAS 34501-50-3)
- 3-amino-N-[2-(2,6-dioxo-3-piperidyl)-1,3-dioxo-isoindolin-5-yl]propanamide (CAS 2694727-62-1)
- O-Ethyl-N-(1H-purin-6-yl)hydroxylamine (CAS 284672-31-7)
- Tirzepatide Impurity 33 (CAS CATO-C4X-324033)
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