3H-Cyclopenta[6,7]cycloocta[2,1-a:3,4-a′]dinaphthalene, 5,7-dihydro-, (R)- CAS 136425-32-6
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 136425-32-6 |
| Molecular Formula | C27H20 |
| Molecular Weight | 344.45 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
3H-Cyclopenta[6,7]cycloocta[2,1-a:3,4-a′]dinaphthalene, 5,7-dihydro-, (R)- (CAS 136425-32-6) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C27H20. Molecular weight: 344.45 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C27H20 |
| Molecular Weight | 344.45 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) | 18.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1995 |
Related H Standards
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- 4H-Cyclopenta[1,2-b:5,4-b']bis(selenophene) (CAS 2102528-53-8)
- OP-2507 101758-79-6 Cyclopenta[b]pyrrole-2-pentanoic acid, 3,3a,4,5,6,6a-hexahydro-5-hydroxy-4-[(1E,3S)-3-hydroxy-3-(cis-4-propylcyclohexyl)-1-propen-1-yl]-, methylester, (3aR,4R,5R,6aS)-;Cyclopenta[b]pyrrole-2-pentanoic acid, 3,3a,4,5,6,6a-hexahydro-5-hydroxy-4-[(1E,3S)-3-hydroxy-3-(cis-4-propylcyclohexyl)-1-propen-1-yl]-, methylester, (3aR,4R,5R,6aS)- (CAS 101758-79-6)
Recommended Standards
- Tert-butyl 4-(3-ethyl-2-oxoindolin-1-yl)piperidine-1-carboxylate (CAS 1358667-42-1)
- (R)-3,5-dihydrospiro[cyclohepta[2,1-a:3,4-a']dinaphthalene-4,1'-cyclopentane]-2',4'-diene (CAS 136425-33-7)
- tert-Butyl 4-(3,4,5,6-tetrahydro-[2,3'-bipyridin]-2'-yl)piperazine-1-carboxylate (CAS 1352493-43-6)
- N-(1-Ethyl-3,5-dimethyl-1H-pyrazol-4-yl)thiophene-2-carboxamide (CAS 514855-99-3)
- 4-(Difluoromethoxy)-2,5-difluoroaniline (CAS 1341923-15-6)
- Droperidol EP Impurity C (CAS 60373-76-4)
- 7-Ethoxy-4-hydrazinylquinoline (CAS 767281-68-5)
- 3-(4-Methoxy-1H-indol-1-yl)propan-1-amine oxalate (CAS 1401319-05-8)
- 5-Chloro-n-(piperidin-4-ylmethyl)pyridin-2-amine hydrochloride (CAS 2680615-50-1)
- Semaglutide impurity 28 (CAS CATO-C4X-222628)
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