Potassium 4-methylbenzoate CAS 16518-25-5
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 16518-25-5 |
| Molecular Formula | C8H7O2 K |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Potassium 4-methylbenzoate (CAS 16518-25-5) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C8H7O2 K. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C8H7O2 K |
| Molecular Weight | 174.24 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure |
| Degree of Unsaturation (DBE) | 5.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1961 |
Related Potassium Standards
- Ethyl 3-methylbenzoate (CAS 120-33-2)
- Phenyl 2-methylbenzoate (CAS 15813-38-4)
- Sodium 4-methylbenzoate (CAS 17264-54-9)
- Phenyl 4-methylbenzoate (CAS 1900-85-2)
- Benzyl 4-methylbenzoate (CAS 5467-99-2)
- Propyl 4-methylbenzoate (CAS 6976-69-8)
- Ethyl 2-methylbenzoate (CAS 87-24-1)
- Ethyl 4-Methylbenzoate (CAS 94-08-6)
Recommended Standards
- 2-(2,2-Difluorocyclopentyl)ethane-1-sulfonyl chloride (CAS 1780479-64-2)
- 7-Chloro-N-(2,4-dichlorophenyl)quinazolin-4-amine (CAS 477856-25-0)
- 1-(Bromomethyl)-1-(cyclopentylmethoxy)cyclopentane (CAS 1537477-16-9)
- 2,2-diethyloctanoic acid (CAS 792154-66-6)
- N-[(1R,2R)-2-[(11bS)-3,5-Dihydro-4H-dinaphth[2,1-c:1',2'-e]azepin-4-yl]cyclohexyl]-4-methylbenzenesulfonamide (CAS 1034835-88-5)
- 4-(Benzyloxy)-2-chloropyridine (CAS 182556-72-5)
- Semaglutide impurity 290 (CAS CATO-C4X-2226290)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
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