4-(Dimethylphosphoryl)benzoic acid CAS 53888-91-8
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 53888-91-8 |
| Molecular Formula | C9H11O3P |
| Molecular Weight | 198.16 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-(Dimethylphosphoryl)benzoic acid (CAS 53888-91-8) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C9H11O3P. Molecular weight: 198.16 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C9H11O3P |
| Molecular Weight | 198.16 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 4.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1972 |
Related Dimethylphosphoryl Standards
- 2-(Dimethylphosphoryl)benzoic acid (CAS 79317-57-0)
- 3-(Dimethylphosphoryl)benzoic acid (CAS 53888-92-9)
- 2-(Dimethylphosphoryl)isonicotinic acid (CAS 1508339-39-6)
- 4-(Dimethylphosphoryl)picolinic acid (CAS 2362010-59-9)
- 5-(Dimethylphosphoryl)nicotinic acid (CAS 2361963-14-4)
- 6-(Dimethylphosphoryl)nicotinic acid (CAS 2624118-90-5)
- 6-(Dimethylphosphoryl)picolinic acid (CAS 2361947-57-9)
- 4-(Dimethylphosphoryl)benzamide (CAS 61738-50-9)
Recommended Standards
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