4-Chloro-2-(chlorosulfonyl)benzoic acid (Bumetanide Impurity) CAS 923137-49-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 923137-49-9 |
| Molecular Formula | C7H4Cl2O4S |
| Molecular Weight | 255.08 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-Chloro-2-(chlorosulfonyl)benzoic acid (Bumetanide Impurity) (CAS 923137-49-9) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C7H4Cl2O4S. Molecular weight: 255.08 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C7H4Cl2O4S |
| Molecular Weight | 255.08 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), keep sealed and dry, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| Stability | May oxidize slowly on prolonged air exposure; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Halogen Content | Cl-containing |
| Sulfur Atoms | 1 |
Related Chloro Standards
- 2-Chloro-5-(chlorosulfonyl)benzoic acid (CAS 137-64-4)
- 2-Chloro-4-(chlorosulfonyl)benzoic acid (CAS 61953-04-6)
- 3-Chloro-4-(chlorosulfonyl)benzoic acid (CAS 29872-68-2)
- 3-Chloro-5-(chlorosulfonyl)benzoic acid (CAS 53553-11-0)
- 6-Chloro-N4-(4-chlorophenyl)pyrimidine-4,5-diamine (CAS 103505-49-3)
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- 7-Chloro-6-(2-chloroethyl)-5-methylpyrazolo[1,5-a]pyrimidine-3-carbonitrile (CAS 129909-69-9)
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Recommended Standards
- 4-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine-2,6-dicarbonitrile (CAS 2223048-32-4)
- Indapamide Impurity 17 (CAS 2494-79-3)
- 1-(4-Bromo-2-fluorobenzyl)-1H-pyrazole (CAS 1029715-40-9)
- 2-(5-Bromo-2-chloropyridin-3-yl)acetonitrile (CAS 1227591-08-3)
- 1-(3-Ethynyl-4-hydroxyphenyl)ethan-1-one (CAS 370565-08-5)
- Perindopril Impurity 38 (CAS 80828-13-3)
- Di-tert-butyl (6-bromo-5-chloropyridin-2-yl)iminodicarbonate (CAS 1492029-02-3)
- 5-Phenyl-2-(prop-2-en-1-ylsulfanyl)pyrimidine (CAS 344282-09-3)
- 2,2′-(3,3′,4,4′-Tetramethyl[1,1′-biphenyl]-2,2′-diyl)bis[4,5-dihydrooxazole] (CAS 1021602-67-4)
- Semaglutide impound 212 (CAS CATO-C4X-2226212)
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