(R)-3,5-dihydrospiro[cyclohepta[2,1-a:3,4-a']dinaphthalene-4,1'-cyclopentane]-2',4'-diene CAS 136425-33-7
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 136425-33-7 |
| Molecular Formula | C27H20 |
| Molecular Weight | 344.45 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies (R)-3,5-dihydrospiro[cyclohepta[2,1-a:3,4-a']dinaphthalene-4,1'-cyclopentane]-2',4'-diene (CAS 136425-33-7), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C27H20. Molecular weight: 344.45 g/mol. Batch-specific COA and technical support are available on request.
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 R Standards
- Benzyl 1,2-dihydrospiro[indole-3,4'-piperidine]-1'-carboxylate (CAS 167484-18-6)
- 3,5-Dihydrospiro[cyclohepta[2,1-a:3,4-a']dinaphthalene-4,1'-cyclopentane]-2',4'-diene-2,6-diol (CAS 1417714-09-0)
- N-(1,3-dihydrospiro[indene-2,4'-piperidin]-1-yl)-2-methylpropane-2-sulfinamide (CAS 2417171-57-2)
- 3'-Phenyl-1,2-dihydrospiro[indole-3,2'-[1,3]thiazolidine]-2,4'-dione (CAS 79962-56-4)
- 1-Benzyl-1',2'-dihydrospiro[piperidine-4,3'-pyrrolo[2,3-b]pyridine] (CAS 845552-76-3)
- 1'-Benzyl-2,3-dihydrospiro[indene-1,2'-pyrrolidin]-5'-one (CAS 159757-38-7)
- 2-(2',3'-Dihydrospiro[cyclopropane-1,1'-inden]-7'-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 2621933-60-4)
- 6'-Methyl-5',6'-dihydrospiro[cyclohexane-1,4'-pyrrolo[3,2,1-ij]quinoline]-1',2'-dione (CAS 714213-80-6)
Recommended Standards
- 3H-Cyclopenta[6,7]cycloocta[2,1-a:3,4-a′]dinaphthalene, 5,7-dihydro-, (R)- (CAS 136425-32-6)
- 2,6-Bis[(4R)-4,5-dihydro-4-(1-methylethyl)-2-oxazolyl]-4-pyridinamine (CAS 1374754-15-0)
- Tert-butyl 4-(3-ethyl-2-oxoindolin-1-yl)piperidine-1-carboxylate (CAS 1358667-42-1)
- N-(2,6-Dimethylphenyl)imidazo[1,5-a]pyrazin-8-amine (CAS 919787-05-6)
- 3'-Chloro-2,3,5,6-tetrahydro-[1,2']bipyrazinyl-4-carboxylic acid tert-butyl ester (CAS 313654-83-0)
- 1-((1-(Pyridin-4-yl)ethyl)amino)propan-2-ol (CAS 1155566-57-6)
- 1-(2-Morpholin-4-yl-ethyl)-1H-benzoimidazol-2-ylamine (CAS 26840-48-2)
- Linezolid Impurity 80 (CAS 70887-96-6)
- 2-(4-Isopropylphenoxy)propanoyl chloride (CAS 1160257-32-8)
- (Leu31,Pro3?)-Neuropeptide Y (human, rat) trifluoroacetate salt (CAS 132699-73-1)
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