1,3-Dibromo-9H-fluorene CAS 21878-90-0
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 21878-90-0 |
| Molecular Formula | C25H32N2O |
| Molecular Weight | 376.53 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
1,3-Dibromo-9H-fluorene (CAS 21878-90-0) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C25H32N2O. Molecular weight: 376.53 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C25H32N2O |
| Molecular Weight | 376.53 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| 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) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1963 |
| Nitrogen Atoms | 2 |
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Recommended Standards
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- (S)-2-Amino-N-((1-benzylpiperidin-4-yl)methyl)-N-methylpropanamide (CAS 1354000-09-1)
- 4-Benzyloxy-2-(trifluoromethyl)benzoic acid (CAS 790695-23-7)
- (R)-2-chloro-1-(4-methoxyphenyl)ethan-1-ol (CAS 186345-05-1)
- methyl 5-(chlorosulfonyl)-2-methylpyridine-3-carboxylate (CAS 1784680-77-8)
- 3-[(4-Fluorophenyl)methanesulfonyl]-5-methyl-1,2-thiazole-4-carbonitrile (CAS 339021-12-4)
- D-Lys20-Tirzepatide (CAS CATO-CPTD788914)
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