2-Ethynyl-9H-fluorene CAS 57700-19-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 57700-19-3 |
| Molecular Formula | C15H10 |
| Molecular Weight | 190.24 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 2-Ethynyl-9H-fluorene (CAS 57700-19-3), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C15H10. Molecular weight: 190.24 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C15H10 |
| Molecular Weight | 190.24 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate |
| 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.) | 1973 |
Related Ethynyl Standards
- 4-Ethynyl-1-((tetrahydro-2H-pyran-4-yl)methyl)-1H-pyrazole (CAS 2098072-57-0)
- 4-Ethynyl-1-isopropoxy-2-methoxybenzene (CAS 218903-25-4)
- 4-Ethynyl-2-isopropoxy-1-methoxybenzene (CAS 439585-86-1)
- Methyl 5-ethynyl-2-methoxybenzoate (CAS 1202818-90-3)
- 4-Ethynyl-2,5-dimethoxybenzaldehyde (CAS 1208264-50-9)
- 2-Ethynyl-4,5-dimethoxybenzaldehyde (CAS 856010-73-6)
- 5-Ethynyl-1,3-benzenedicarboxylic acid (CAS 432025-97-3)
- 5-Ethynyl-2-nitrobenzoic acid (CAS 1260828-32-7)
Recommended Standards
- 2-Ethyl-2-methylchroman-4-one (CAS 73509-12-3)
- 2H-indol-2-one, 5-amino-1,3-dihydro-1-(1-methylethyl)- (CAS 875003-64-8)
- 2-Ethyl-2,3-dihydro-5-acetylbenzofuran (CAS 58741-14-3)
- 2-Cyclopropoxy-3-ethyl-N-methylbenzamide (CAS 1243469-00-2)
- Methyl 2-((4,6-dimethoxypyrimidin-2-yl)oxy)-6-(1-(methoxyimino)ethyl)benzoate (CAS 136191-64-5)
- 2-Chloro-5-(2-hydroxypyrimidin-5-yl)benzonitrile (CAS 1261965-80-3)
- 3-(3-methylphenyl)propanal (CAS 95416-60-7)
- 25I-Nb34md (CAS 1391497-81-6)
- 5-Phenyl-1,6a-dihydropyrrolo[3,4-d][1,2,3]triazole-4,6(3aH,5H)-dione (CAS 34314-69-7)
- Semaglutide impurity 96 (CAS CATO-C4X-222696)
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