Efavirenz USP Related Compound C CAS 391860-73-4
Purity 97%+In StockPharmacopoeial Impurity Standards
| CAS No. | 391860-73-4 |
| Molecular Formula | C13H9ClF3N |
| Molecular Weight | 271.67 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Efavirenz USP Related Compound C (CAS 391860-73-4) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C13H9ClF3N. Molecular weight: 271.67 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C13H9ClF3N |
| Molecular Weight | 271.67 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | F/Cl-containing |
| Nitrogen Atoms | 1 |
Related Efavirenz Standards
- Efavirenz Aminoalcohol (CAS 154598-58-0)
- Efavirenz Related Compound A (CAS 209414-27-7)
- Efavirenz Impurity 13 (CAS 927812-33-7)
- Efavirenz USP Related Compound A (CAS 209414-27-7；154598-58-0)
- Efavirenz (CAS 154598-52-4)
- Efavirenz Impurity 10 (CAS 2125704-30-3)
- Efavirenz Impurity 2 (CAS 154801-74-8)
- Efavirenz Impurity 24 (CAS CATO-C4X-162724)
Recommended Standards
- 2-Chloro-6-methyl-4-(4-(trifluoromethyl)phenyl)pyridine (CAS 697739-23-4)
- 5-(3-Chloro-5-fluorophenyl)-1H-pyrrolo[2,3-b]pyridine-3-carbonitrile (CAS 1059171-26-4)
- 2-Benzyl-3-chloro-5-(trifluoromethyl)pyridine (CAS 338419-96-8)
- Pemafibrate Impurity 59 (CAS CATO-C4X-290359)
- Vildagliptin Impurity 20 (CAS 1983839-19-1)
- (5-Isobutoxy-1-methyl-1H-pyrazol-3-yl)methanol (CAS 1707395-79-6)
- Ethyl 2-(6-nitro-1H-indol-1-yl)acetate (CAS 915037-28-4)
- 3-(Trifluoromethyl)pentan-3-amine hydrochloride (CAS 498581-24-1)
- 4-aminopyridazine-3-carboxamide (CAS 20865-28-5)
- Biotinyl-Pancreatic Polypeptide (human) trifluoroacetate salt (CAS 1816258-36-2)
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