Calcium 2,5-dihydroxy-4-tosylbenzenesulfonate CAS 57772-61-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 57772-61-9 |
| Molecular Formula | 2*C13H11O7S2 Ca |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Calcium 2,5-dihydroxy-4-tosylbenzenesulfonate (CAS 57772-61-9) is a pharmaceutical standards certified reference material from CATO. Molecular formula: 2*C13H11O7S2 Ca. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | 2*C13H11O7S2 Ca |
| Molecular Weight | 383.42 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 8.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1973 |
| Sulfur Atoms | 2 |
Related Calcium Standards
- Ethyl 2,2-dihydroxy-4-ethoxy-3-oxobutanoate (CAS 1000018-28-9)
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- Ethyl 4,7-dihydroxy-2-oxo-2H-chromene-3-carboxylate (CAS 100037-66-9)
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- 1-(2,4-Dihydroxy-3,6-dimethoxyphenyl)-3-(2-methoxyphenyl)prop-2-en-1-one 100079-39-8 ST24037017 (CAS 100079-39-8)
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Recommended Standards
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- 2-(3-Methoxybenzoyl)-4-methylpyridine (CAS 1187165-05-4)
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