Phellopterin CAS 2543-94-4
Purity >95%In StockPharmaceutical Standards
| CAS No. | 2543-94-4 |
| Molecular Formula | C17H16O5 |
| Molecular Weight | 300.31 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Phellopterin (CAS 2543-94-4) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C17H16O5. Molecular weight: 300.31 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C17H16O5 |
| Molecular Weight | 300.31 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | >95% |
| 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 |
| Degree of Unsaturation (DBE) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
Recommended Standards
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- Phenmedipham (CAS 13684-63-4)
- (2,5-Dimethylphenyl)(piperazin-1-yl)methanone (CAS 1016690-70-2)
- 1-(5-Ethyl-1,2,4-oxadiazol-3-yl)cyclopentan-1-amine (CAS 1153835-34-7)
- Octahydro-1H-quinolizine-9a-carbonitrile (CAS 23805-76-7)
- 4-Isopropyl-2-(methylamino)phenol (CAS 1243441-23-7)
- Propamidine Isethionate - API Standards (CAS 140-63-6)
- Tofacitinib Impurity 69 (CAS CATO-C4X-107969)
- Semaglutide Impurity 167 (CAS CATO-C4X-2226167)
Why CATO?
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