4,4'-Sulfonylbis(2-nitrobenzoic acid) CAS 22437-96-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 22437-96-3 |
| Molecular Formula | C14H8N2O10S |
| Molecular Weight | 396.29 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4,4'-Sulfonylbis(2-nitrobenzoic acid) (CAS 22437-96-3) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C14H8N2O10S. Molecular weight: 396.29 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C14H8N2O10S |
| Molecular Weight | 396.29 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°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) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1963 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related Sulfonylbis Standards
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- 4,4'-Sulfonylbis(phenoxybenzene) (CAS 1623-91-2)
- ((sulfonylbis(4,1-phenylene))bis(azanediyl))dimethanesulfinic acid (CAS 144-76-3)
- 1,1'-(Sulfonylbis(3,1-phenylene))bis(1H-pyrrole-2,5-dione) (CAS 68555-55-5)
- 4,4'-Sulfonylbis(1-chloro-2-nitrobenzene) (CAS 1759-05-3)
- 4,4’-Sulfonylbis(bromobenzene) (CAS 2050-48-8)
- 4,4-((Sulfonylbis(4,1-phenylene))-bis(oxy))dianiline (CAS 13080-89-2)
- 5,5'-Sulfonylbis(1H-indene-1,3(2H)-dione) (CAS 2766727-93-7)
Recommended Standards
- 2-[(3,4-Dichlorophenyl)methoxy]-5-[(4-methoxyphenoxy)methyl]-1,3-thiazole (CAS 339105-02-1)
- 4-[4-(2,3-Dichlorobenzenesulfonyl)piperazin-1-yl]benzonitrile (CAS 478046-89-8)
- 1-Phenyl-3-(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)imidazo[1,5-a]pyridine (CAS 2247546-38-7)
- Cycloart-22-ene-3,25-diol (CAS 97456-49-0)
- 2-Amino-5-(4-methoxyphenyl)-5-[(3-methoxyphenyl)methyl]-4,5-dihydro-1H-imidazol-4-one (CAS 1354916-63-4)
- 4-(trifluoromethyl)-1H-imidazol-2-amine hydrochloride (CAS 1803611-83-7)
- methyl 3-fluoropyrrolidine-3-carboxylate (CAS 1375794-82-3)
- 2-chloro-4,5-dimethoxybenzene-1-thiol (CAS 1094359-76-8)
- Azilsartan (CAS 1675221-56-3)
- Semaglutide impurity 81 (CAS CATO-C4X-222681)
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