4-(Methylsulfonamido)benzoic Acid CAS 7151-76-0
| CAS No. | 7151-76-0 |
| Molecular Formula | C8H9NO4S |
| Molecular Weight | 215.23 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C8H9NO4S, 4-(Methylsulfonamido)benzoic Acid contains a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 215.23 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
4-(Methylsulfonamido)benzoic Acid (CAS 7151-76-0) is a high-purity analytical reference standard with the molecular formula C8H9NO4S and a molecular weight of 215.23 g/mol.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), 4-(Methylsulfonamido)benzoic Acid meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C8H9NO4S |
| Molecular Weight | 215.23 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1959 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related Methylsulfonamido Standards
- 2-(Methylsulfonamido)benzoic Acid (CAS 162787-61-3)
- 3-(Methylsulfonamido)benzoic Acid (CAS 28547-13-9)
- 2-(Methylsulfonamido)phenylboronic Acid (CAS 756520-78-2)
- (5-(Methylsulfonamido)pyridin-3-yl)boronic acid (CAS 1382475-73-1)
- 2-(Methylsulfonamido)benzamide (CAS 349135-15-5)
- 3-(Methylsulfonamido)benzamide (CAS 932256-19-4)
- (2-(Methylsulfonamido)pyrimidin-5-yl)boronic acid (CAS 1256345-71-7)
- 2-(Methylsulfonamido)phenylacetonitrile (CAS 36268-70-9)
Recommended Standards
- 4-(Methylcarbamoyl)benzenesulfonic acid (CAS 70140-61-3)
- 4-Amino-1-(2-hydroxy-1,3-oxathiolan-5-yl)pyrimidin-2(1H)-one (CAS 790299-37-5)
- 4-(Hydrazinecarbonyl)benzenesulfonamide (CAS 35264-29-0)
- 4-Amino-3-methanesulfonylbenzoic acid (CAS 34263-58-6)
- 5-Fluoro-2-(3-fluorophenyl)pyridine 1-oxide (CAS 1700602-74-9)
- ARP, 95% (CAS 627090-10-2)
- ethyl (2Z)-2-cyano-3-[(2,5-dimethoxyphenyl)amino]prop-2-enoate (CAS 92256-47-8)
- tert-Butyl (4-(cyanomethoxy)butyl)carbamate (CAS 2830620-36-3)
- 1-(3-Fluorobenzyl)piperidin-4-ol (CAS 184921-09-3)
- (Dimethyl-1,2-oxazol-4-yl)methanethiol (CAS 146796-45-4)
- Tris(4-tert-butylphenyl) Phosphate (CAS 78-33-1)
- tert-Butyl N-{[(5-chloro-2-methoxyphenyl)carbamoyl]methyl}carbamate (CAS 1024396-69-7)
- 2-Ethoxy-4-{[(2-methylpropyl)amino]methyl}phenol (CAS 1019480-59-1)
- Semaglutide Impurity 152 xTFA (CAS CATO-C4X-2226152)
Why CATO?
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