9-(Diphenylmethylene)-1,4-dihydro-1,4-methanonaphthalene CAS 28591-78-8
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 28591-78-8 |
| Molecular Formula | C24H18 |
| Molecular Weight | 306.40 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 9-(Diphenylmethylene)-1,4-dihydro-1,4-methanonaphthalene (CAS 28591-78-8), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C24H18. Molecular weight: 306.40 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C24H18 |
| Molecular Weight | 306.40 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| 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) | 16.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1965 |
Related Diphenylmethylene Standards
- 2-(Diphenylmethylene)-1H-indene-1,3(2H)-dione (CAS 13248-12-9)
- 3-((Diphenylmethylene)amino)-5-methylthiophene-2-carbonitrile (CAS 948015-48-3)
- 3-(Diphenylmethylene)indolin-2-one (CAS 94878-34-9)
- Methyl 5-((diphenylmethylene)amino)pyrimidine-2-carboxylate (CAS 1383802-11-6)
- Butyl 2-((diphenylmethylene)amino)acetate (CAS 81167-35-3)
- N-(Diphenylmethylene)glycine, t-Butyl Ester (CAS 81477-94-3)
- Ethyl 2-((diphenylmethylene)amino)-4-methylpent-4-enoate (CAS 80741-44-2)
- N'-(diphenylmethylene)-2-(piperidin-1-yl)acetohydrazide (CAS 478247-21-1)
Recommended Standards
- 8-Methyl-3-[(2-o-tolyl-ethylamino)-methyl]-1H-quinolin-2-one (CAS 551945-40-5)
- 9,16-Dioxooctadeca-10,12,14-trienoic acid (CAS 217810-46-3)
- 8-Methyl-3-[(2-m-tolyl-ethylamino)-methyl]-1H-quinolin-2-one (CAS 551945-42-7)
- 2-((2-Bromobenzyl)(cyclopropyl)amino)acetic acid (CAS 1182756-57-5)
- N-(3-Bromophenyl)-2-((4-(4-bromophenyl)-5-(pyridin-3-yl)-4H-1,2,4-triazol-3-yl)thio)acetamide (CAS 763138-77-8)
- Azilsartan Impurity 21 (CAS 136285-67-1)
- 2-(3,4-dichlorophenyl)-1-[4-(4-methoxyphenyl)piperazino]-1-ethanone 746633-16-9 KS-00003DU8 (CAS 746633-16-9)
- 2-Benzyl-5-vinylpyridazin-3(2H)-one (CAS 825634-03-5)
- 1-(Pyrrolidin-1-yl)hexadecan-1-one (CAS 70974-48-0)
- Semaglutide impurity 248 (CAS CATO-C4X-2226248)
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