3-methyl-1H,4H,6H,7H-pyrano[4,3-b]pyrrole-4,6-dione CAS 1909308-71-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1909308-71-9 |
| Molecular Formula | C8H7NO3 |
| Molecular Weight | 165.15 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Description
3-methyl-1H,4H,6H,7H-pyrano[4,3-b]pyrrole-4,6-dione (CAS 1909308-71-9) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C8H7NO3. Molecular weight: 165.15 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C8H7NO3 |
| Molecular Weight | 165.15 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, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1995 |
| Nitrogen Atoms | 1 |
Recommended Standards
- 1,5-Dimethyl-3-nitro-1H-pyrrole-2-carbonitrile (CAS 1881320-45-1)
- 4-Methyl-4H-1,2,4-triazole-3-sulfonyl fluoride (CAS 1909316-19-3)
- 3-Methyl-4-nitrobenzaldehyde (CAS 18515-67-8)
- 6-Ethoxy-2-(piperidin-1-yl)quinoline-3-carbaldehyde (CAS 462068-24-2)
- 1-(2,6-Difluorobenzyl)-1h-imidazol-2-amine (CAS 1183183-91-6)
- 9-Phenylanthracene (CAS 602-55-1)
- 4,9-Dithia-1,2,6,7-tetraazaspiro[4.4]nona-2,7-diene (CAS 6402-66-0)
- (S)-N-(1-Oxo-3-phenyl-1-(thiazol-2-ylamino)propan-2-yl)nicotinamide (CAS 1212188-03-8)
- 6-Bromo-4-chloro-1H-pyrrolo[2,3-b]pyridine (CAS 1000340-64-6)
- Semaglutide impurity 65 (CAS CATO-C4X-222665)
Why CATO?
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