1-Cyclopentylpyrrole-2,5-dione CAS 170866-05-4
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 170866-05-4 |
| Molecular Formula | C9H11NO2 |
| Molecular Weight | 165.19 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
1-Cyclopentylpyrrole-2,5-dione (CAS 170866-05-4) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C9H11NO2. Molecular weight: 165.19 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C9H11NO2 |
| Molecular Weight | 165.19 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (faint amine-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2005 |
| Nitrogen Atoms | 1 |
Recommended Standards
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- 1-(2-Ethoxyethyl)-1H-pyrazole-4-carbonitrile (CAS 1707402-98-9)
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- 2-(4-(2,5-Dioxo-2,5-dihydro-1H-pyrrol-1-yl)benzamido)acetic acid (CAS 83560-87-6)
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- 2-(Methylsulfonyl)acetimidamide (CAS 183180-66-7)
- Insulin Degludec Impurity 2 (CAS CATO-C4X-21572)
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