p-Tolylphosphonic acid CAS 3366-72-1
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 3366-72-1 |
| Molecular Formula | C7H9O3P |
| Molecular Weight | 172.12 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Description
p-Tolylphosphonic acid (CAS 3366-72-1) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C7H9O3P. Molecular weight: 172.12 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C7H9O3P |
| Molecular Weight | 172.12 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| Stability | May oxidize slowly on prolonged air exposure; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 3.5 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1957 |
Recommended Standards
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- 79288-98-5
CTK2G4333
Phosphonic acid, methyl-, di-2-propynyl ester (CAS 79288-98-5)
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- Semaglutide Impurity 6 (CAS 62-57-7)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
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