2,5-Diphosphonoterephthalic acid CAS 223519-93-5
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 223519-93-5 |
| Molecular Formula | C8H8O10P2 |
| Molecular Weight | 326.09 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2,5-Diphosphonoterephthalic acid (CAS 223519-93-5) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C8H8O10P2. Molecular weight: 326.09 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C8H8O10P2 |
| Molecular Weight | 326.09 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°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) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2020 |
Recommended Standards
- 2-(4-Hydroxy-3-iodo-5-methoxybenzylidene)malononitrile (CAS 27389-84-0)
- 5-Bromo-1-(2,4-difluorophenyl)-1H-pyrazolo[3,4-b]pyridin-6(7H)-one (CAS 1080573-41-6)
- 2-Bromo-3-cyano-4-((trifluoromethyl)thio)benzoic acid (CAS 1805119-57-6)
- (S)-Pyrrolidine-2-carbohydrazide (CAS 66544-68-1)
- n-Isobutyl-4-methoxypentan-1-amine (CAS 1250620-36-0)
- 2-Isopropoxy-6-methylbenzoic acid (CAS 1369861-28-8)
- Methyl 1-[2-(2,4-dichlorophenyl)-2-oxoethyl]-2-oxo-1,2-dihydropyridine-3-carboxylate (CAS 339024-59-8)
- Pimonidazole (CAS 70132-50-2)
- 2-((6-Bromonaphthalen-2-yl)oxy)-N-(2-cyano-3-methylbutan-2-yl)acetamide (CAS 875857-09-3)
- Semaglutide impurity 85 (CAS CATO-C4X-222685)
Why CATO?
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