1,3-dihydrospiro[indene-2,3’-pyrrolidine]-2’,5’-dione CAS 81402-21-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 81402-21-3 |
| Molecular Formula | C12H11NO2 |
| Molecular Weight | 201.22 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
1,3-dihydrospiro[indene-2,3’-pyrrolidine]-2’,5’-dione (CAS 81402-21-3) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C12H11NO2. Molecular weight: 201.22 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C12H11NO2 |
| Molecular Weight | 201.22 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, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1980 |
| Nitrogen Atoms | 1 |
Related dihydrospiro Standards
- 1'-Methyl-2,3-dihydrospiro[indene-1,2'-pyrrolidin]-5'-one (CAS 159757-36-5)
- 2',3'-Dihydrospiro[cyclohexane-1,1'-inden]-3'-amine (CAS 873400-44-3)
- 2',3'-Dihydrospiro[cyclohexane-1,1'-inden]-4-one (CAS 185526-59-4)
- 1’,3’-Dihydrospiro[imidazolidine-4,2’-indene]-2,5-dione (CAS 27473-61-6)
- 2,3-Dihydrospiro[indene-1,3'-oxolane]-2',5'-dione (CAS 72735-51-4)
- 2’,3’-Dihydrospiro[imidazolidine-4,1’-indene]-2,5-dione (CAS 6252-98-8)
- 1,3-dihydrospiro[indene-2,4’-oxane]-3-one (CAS 1803586-28-8)
- 3,4-dihydrospiro[1-benzopyran-2,1’-cyclopentane]-4-one (CAS 62756-19-8)
Recommended Standards
- 1,2-Bis(4-aminophenyl)ethane-1,2-dione (CAS 29602-15-1)
- 1-[5-methyl-1-(pyridin-2-yl)-1h-pyrazol-4-yl]ethan-1-one (CAS 5078-64-8)
- 1,2,5-Trimethyl-pyrrolidine-2,5-dicarboxylic acid (CAS 57013-25-9)
- methyl 4-((2,6-dichloropyrimidin-4-yl)amino)benzoate (CAS 333404-94-7)
- 10-(3-Nitrophenyl)-14-phenyl-2,9-diazatricyclo[9.4.0.0^{3,8}]pentadeca-1(11),3(8),4,6-tetraen-12-one (CAS 330557-62-5)
- 2-(1,1-Difluoroethyl)-4H-pyran-4-one (CAS 1353572-37-8)
- Ethyl 1-aminocyclopent-3-ene-1-carboxylate (CAS 199532-88-2)
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