Dimethyl fluoren-9-ylidene malonate CAS 119292-75-0
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 119292-75-0 |
| Molecular Formula | C18H14O4 |
| Molecular Weight | 294.30 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Dimethyl fluoren-9-ylidene malonate (CAS 119292-75-0) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C18H14O4. Molecular weight: 294.30 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C18H14O4 |
| Molecular Weight | 294.30 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1991 |
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Recommended Standards
- 2-Methyl-4'-(5-methyl-1,2,4-oxadiazol-3-yl)-[1,1'-biphenyl]-4-carboxylic acid (CAS 1179360-16-7)
- Methyl 1-benzyl-3-formyl-1H-indazole-4-carboxylate (CAS 1198111-92-0)
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- tert-Butyl 1-ethynyl-7-azabicyclo[2.2.1]heptane-7-carboxylate (CAS 2167699-28-5)
- 1312AF 3-Allyl-5-methoxy-4-propoxy-benzaldehyde 876709-19-2 C14H18O3 (CAS 876709-19-2)
- N,N-diethyl-4-(methylamino)pyridine-3-sulfonamide (CAS 1341389-33-0)
- 4-(1,3-Dithian-2-yl)phenyl 4-fluorobenzene-1-sulfonate (CAS 329777-73-3)
- (S)-2-((1-(tert-Butoxycarbonyl)pyrrolidin-3-yl)(ethyl)amino)acetic acid (CAS 1354000-07-9)
- Finerenone Impurity 42 (CAS CATO-C4X-288042)
- Autocamtide-2-Related Inhibitory Peptide TFA (CAS 167114-91-2（free base）)
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