Efavirenz Impurity 2 CAS 154801-74-8
Purity >95%In StockPharmacopoeial Impurity Standards
| CAS No. | 154801-74-8 |
| Molecular Formula | C14H9ClF3NO2 |
| Molecular Weight | 315.67 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Order Efavirenz Impurity 2 (CAS 154801-74-8) pharmacopoeial impurity standards reference standard from CATO: ISO 17034 accredited producer, 130,000+ catalog items in stock. Molecular formula: C14H9ClF3NO2. Molecular weight: 315.67 g/mol. COA included with every batch.
Physical & Chemical Properties
| Molecular Formula | C14H9ClF3NO2 |
| Molecular Weight | 315.67 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | >95% |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| 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) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2001 |
| Halogen Content | F/Cl-containing |
| Nitrogen Atoms | 1 |
Related Efavirenz Standards
- Efavirenz (CAS 154598-52-4)
- Efavirenz Impurity 10 (CAS 2125704-30-3)
- Efavirenz Impurity 24 (CAS CATO-C4X-162724)
- Efavirenz Impurity 25 (CAS CATO-C4X-162725)
- Efavirenz Impurity 28 (CAS CATO-C4X-162728)
- Efavirenz Racemate (CAS 177530-93-7)
- Efavirenz 2-Desoxo-2-methly (CAS 1258498-53-1)
- Efavirenz USP Related Compound B (CAS 440124-96-9)
Recommended Standards
- Sorafenib Impurity 4 (CAS 871555-75-8)
- N-[2-Chloro-5-(trifluoromethyl)phenyl]-2-hydroxybenzamide (CAS 5683-92-1)
- N-(4-chlorophenyl)-2,2-difluoro-2-(4-fluorophenoxy)acetamide (CAS 338792-33-9)
- Nintedanib Impurity 3 (CAS 2093243-16-2)
- Isavuconazole Impurity 182 (CAS CATO-C4X-1236182)
- 2-(2,6-Dichlorophenyl)acetyl chloride (CAS 61875-53-4)
- 1-(3,4-Dichlorophenyl)cyclobutanecarboxylic Acid (CAS 84485-58-5)
- 1-(4-Hydroxyphenyl)piperidin-4-ol (CAS 866109-91-3)
- Amorolfine impurity 68 (CAS CATO-C4X-154268)
- Serpent Peptide 2AcOH (CAS 823202-99-9(free base))
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 13829788188 / jacky.chen@cato-chem.com