BW 1843U89 CAS 139987-54-5
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 139987-54-5 |
| Molecular Formula | C27H24N4O6 |
| Molecular Weight | 500.50 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
BW 1843U89 (CAS 139987-54-5) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C27H24N4O6. Molecular weight: 500.50 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C27H24N4O6 |
| Molecular Weight | 500.50 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 18.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1996 |
| Nitrogen Atoms | 4 |
Recommended Standards
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- (R)-tert-Butyl 3-((6-(diethylamino)pyrimidin-4-yl)amino)pyrrolidine-1-carboxylate (CAS 1354000-17-1)
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- 2-(5-(2-Aminophenyl)-1,3,4-thiadiazol-2-yl)-N-phenylaniline (CAS 88518-08-5)
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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