Efavirenz USP Related Compound B CAS 440124-96-9
Purity >95%In StockPharmaceutical Standards
| CAS No. | 440124-96-9 |
| Molecular Formula | C14H11ClF3NO2 |
| Molecular Weight | 317.69 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Efavirenz USP Related Compound B (CAS 440124-96-9) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C14H11ClF3NO2. Molecular weight: 317.69 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C14H11ClF3NO2 |
| Molecular Weight | 317.69 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) | 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 Impurity 3 (CAS 205755-86-8)
- Efavirenz Impurity 6 (CAS 1627575-36-3)
- Efavirenz 2-Desoxo-2-methly (CAS 1258498-53-1)
- rac Efavirenz-d4 (CAS 1246812-58-7)
- 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
- Metflurazon (CAS 23576-23-0)
- Ethyl 2-Chloro-5-[2-(trifluoromethyl)phenyl]-1H-pyrrole-3-carboxylate (CAS 881673-68-3)
- 5-(5-(Trifluoromethyl)isoxazol-3-yl)thiophene-2-sulfonyl chloride (CAS 229956-98-3)
- (R)-3-Amino-N,N-dimethylpiperidine-1-sulfonamide (CAS 1704962-41-3)
- 4-(4-(Benzyloxy)phenyl)-5-methyl-2,4-dihydro-3H-1,2,4-triazol-3-one (CAS 860786-34-1)
- 2,5-Dimethylpyrazolo[1,5-a]pyrimidine-7-carboxylic acid (CAS 1011355-87-5)
- 2-(2-Aminopropan-2-yl)-5-methoxypyrimidin-4(3H)-one hydrochloride (CAS 2137590-74-8)
- (1-Methyl-1H-pyrrole-3,4-diyl)dimethanol (CAS 73529-27-8)
- 3-(tert-Butyl)isoxazolo[5,4-c]isoxazole (CAS 183666-50-4)
- Acetyl Dipeptide-1 (CAS 196604-48-5)
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