4-Carboxy-Pennsylvania Green CAS 879288-14-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 879288-14-9 |
| Molecular Formula | C21H12F2O5 |
| Molecular Weight | 382.31 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-Carboxy-Pennsylvania Green (CAS 879288-14-9) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C21H12F2O5. Molecular weight: 382.31 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C21H12F2O5 |
| Molecular Weight | 382.31 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 15.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Halogen Content | F-containing |
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Recommended Standards
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- (1-Ethenyl-1H-imidazole-κN3)-Os(4,4′-Dimethyl-2,2′-bipyridine)2Cl2 (CAS 1357064-10-8)
- Methyl 4-hydroxy-6-oxo-1-(4-phenoxyphenyl)-1,6-dihydropyridazine-3-carboxylate (CAS 306976-44-3)
- 5-Cyanonicotinic Acid (CAS 887579-62-6)
- 2-[(thiophen-3-ylmethyl)sulfanyl]ethan-1-amine (CAS 901273-26-5)
- Ethyl 2-[(5-methoxy-1H-indol-2-yl)carbonyl]hydrazinecarboxylate (CAS 1706435-77-9)
- Semaglutide impurity 198 (CAS CATO-C4X-2226198)
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