Nevirapine EP Impurity B CAS 287980-84-1
Purity 97%+In StockPharmacopoeial Impurity Standards
| CAS No. | 287980-84-1 |
| Molecular Formula | C12H10N4O |
| Molecular Weight | 226.23 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Order Nevirapine EP Impurity B (CAS 287980-84-1) pharmacopoeial impurity standards reference standard from CATO: ISO 17034 accredited producer, 130,000+ catalog items in stock. Molecular formula: C12H10N4O. Molecular weight: 226.23 g/mol. COA included with every batch.
Physical & Chemical Properties
| Molecular Formula | C12H10N4O |
| Molecular Weight | 226.23 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 4 |
Related Nevirapine Standards
- Nevirapine EP Impurity A (CAS 133627-17-5)
- Nevirapine Impurity 27 (CAS 284686-17-5)
- Nevirapine (CAS 129618-40-2)
- Nevirapine EP Impurity C (CAS 287980-85-2)
- Nevirapine-d3 (CAS 1051419-24-9)
- Nevirapine-d5DISCONTINUED See N391278 (CAS 1189717-29-0)
- Nevirapine Impurity 4 (CAS 133627-46-0)
- Nevirapine 3-Hydroxy Impurity (CAS 174532-82-2)
Recommended Standards
- N-Benzylidene-4-nitroaniline (CAS 785-81-9)
- N-hydroxy-3,4,5-trimethoxybenzimidamide (CAS 36957-30-9)
- N-Benzylidene-3-nitroaniline (CAS 5341-44-6)
- Ornidazole Impurity 78 (CAS CATO-C4X-133178)
- N-Nitroso Flucloxacillin Impurity 22 (CAS CATO-C4X-164722)
- 8-(Trifluoromethyl)-1,4-dioxaspiro[4.5]decan-8-amine (CAS 1375473-30-5)
- 7-(1-Methylethyl)-1H-indole-2,3-dione (CAS 57816-97-4)
- 2-chloro-6-hydroxy-4-methylbenzaldehyde (CAS 1427396-37-9)
- 2-Methyl-3-(3-methylphenyl)propiophenone (CAS 898790-31-3)
- D-Glu3-Tirzepatide (CAS CATO-CPTD788927)
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