Pentamethylbenzoic acid CAS 2243-32-5
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 2243-32-5 |
| Molecular Formula | C12H16O2 |
| Molecular Weight | 192.25 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Pentamethylbenzoic acid (CAS 2243-32-5) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C12H16O2. Molecular weight: 192.25 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C12H16O2 |
| Molecular Weight | 192.25 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
Recommended Standards
- Penbutolol Impurity 13 (CAS 32396-10-4)
- Phenyl 2-Ethylbutanoate (CAS 54897-51-7)
- Oxeladin EP Impurity B (CAS 5465-28-1)
- Methyl 2-chloro-5-(trifluoromethyl)isonicotinate (CAS 1246685-28-8)
- 2-Chloro-N-hydroxy-N'-phenylbenzimidamide (CAS 65251-91-4)
- 2-Chloro-5-fluoro-4-(methylthio)-pyridine (CAS 1820741-49-8)
- Dimethyl 2-amino-5-chloroterephthalate (CAS 32888-87-2)
- 2-Chloro-5-(3-ethoxycarbonylbenzoyl)pyridine (CAS 890100-48-8)
- 3-(Difluoromethyl)-5-methyl-4-nitropicolinonitrile (CAS 1805183-31-6)
- Insulin Degludec Impurity 17 (CAS CATO-C4X-215717)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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