Spiro[benzo[d][1,3]dioxole-2,1'-cyclopentane] CAS 183-32-4
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 183-32-4 |
| Molecular Formula | C11H12O2 |
| Molecular Weight | 176.21 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Spiro[benzo[d][1,3]dioxole-2,1'-cyclopentane] (CAS 183-32-4) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C11H12O2. Molecular weight: 176.21 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C11H12O2 |
| Molecular Weight | 176.21 g/mol |
| Appearance | Off-white to pale 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) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
Related Spiro Standards
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- Spiro[azetidine-3,2'-chromane] (CAS 1263358-62-8)
- 2H-spiro[benzofuran-3,3-pyrrolidine] (CAS 184105-99-5)
- 3H-spiro[benzofuran-2,3'-pyrrolidine] (CAS 71916-78-4)
- 3H-spiro[isobenzofuran-1,3'-pyrrolidine] (CAS 57174-48-8)
- spiro[1,3-benzodioxole-2,3’-pyrrolidine] (CAS 24476-94-6)
- Spiro[oxirane-2,4'-pentacyclo[6.3.0.0^{2,6}.0^{3,10}.0^{5,9}]undecane] (CAS 1373932-60-5)
Recommended Standards
- (1R,2R)-2-(o-Tolyl)cyclopropanecarboxylic Acid (CAS 1821802-95-2)
- (R)-2-Benzylbut-3-enoic acid (CAS 183509-48-0)
- But-3-en-1-yl benzoate (CAS 18203-32-2)
- 1,2-Dimethoxyethane (CAS 110-71-4)
- 1-(7-Methoxy-1-benzofuran-2-yl)ethyl N-cyclohexylcarbamate (CAS 477871-51-5)
- Trandolapril acyl-β-D-glucuronide (CAS 1260617-50-2)
- 4-Phenyl-1H-pyrazole-3-carbonitrile (CAS 21673-04-1)
- Cis-4-Fluoropyrrolidin-3-ol (CAS 1434248-02-8)
- 4-Methanesulfonylbenzene-1-thiol (CAS 3814-25-3)
- Tirzepatide Impurity 51 (CAS CATO-C4X-324051)
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