(S)-Efavirenz N-β-D-GlucuronideDiscontinued CAS 252343-21-8
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 252343-21-8 |
| Molecular Formula | C20H17ClF3NO8 |
| Molecular Weight | 491.80 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
(S)-Efavirenz N-β-D-GlucuronideDiscontinued (CAS 252343-21-8) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C20H17ClF3NO8. Molecular weight: 491.80 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C20H17ClF3NO8 |
| Molecular Weight | 491.80 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| 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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | F/Cl-containing |
| Nitrogen Atoms | 1 |
Related S Standards
- Efavirenz Impurity 4 (CAS 174819-21-7)
- Efavirenz Impurity 11 (CAS CATO-C4X-162711)
- Efavirenz Impurity 1 (CAS 353270-77-6)
- Efavirenz Impurity 5 (CAS 1189491-03-9)
- Efavirenz Impurity 12 (CAS 221177-56-6)
- Efavirenz Impurity 19 (CAS 173676-60-3)
- Efavirenz Impurity 9 (CAS 209414-26-6)
- Efavirenz Impurity 7 (CAS 211563-41-6)
Recommended Standards
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- Diethyl Chloromaleate (CAS 626-10-8)
- 3-(6-(Dimethylamino)-4-(trifluoromethyl)pyridin-2-yl)benzaldehyde (CAS 1299607-62-7)
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