5,5'-(Benzo[c][1,2,5]selenadiazole-4,7-diyl) diisophthalic acid CAS 1840869-92-2
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1840869-92-2 |
| Molecular Formula | C22H12N2O8Se |
| Molecular Weight | 511.30 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
5,5'-(Benzo[c][1,2,5]selenadiazole-4,7-diyl) diisophthalic acid (CAS 1840869-92-2) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C22H12N2O8Se. Molecular weight: 511.30 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C22H12N2O8Se |
| Molecular Weight | 511.30 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 18.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1995 |
| Nitrogen Atoms | 2 |
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Recommended Standards
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- Ethyl 5-(chlorocarbonyl)-1-methyl-1h-pyrazole-3-carboxylate (CAS 1197231-79-0)
- 2-(4-Butylphenoxy)-N'-(furan-2-ylmethylene)acetohydrazide (CAS 303088-37-1)
- N-(3-Ethoxybenzyl)-2-morpholinoethan-1-amine (CAS 880812-62-4)
- 1-(2-Chloroethyl)-3,5-dimethyl-1H-1,2,4-triazole hydrochloride (CAS 53946-19-3)
- 3-(Ethylcarbamoyl)-1,2,2-trimethylcyclopentane-1-carboxylic acid (CAS 627844-39-7)
- Semaglutide Impurity 246 (CAS CATO-C4X-2226246)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 13829788188 / jacky.chen@cato-chem.com