4-sulfamoylbenzoic acid CAS 138-41-0
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 138-41-0 |
| Molecular Formula | C7H7NO4S |
| Molecular Weight | 201.20 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
High-purity 4-sulfamoylbenzoic acid (CAS 138-41-0) pharmaceutical standards reference standard. Molecular formula: C7H7NO4S. Molecular weight: 201.20 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.
Physical & Chemical Properties
| Molecular Formula | C7H7NO4S |
| Molecular Weight | 201.20 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| 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.) | 1957 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related sulfamoylbenzoic Standards
- 3-Sulfamoylbenzoic Acid (CAS 636-76-0)
- 2-Sulfamoylbenzoic acid (CAS 632-24-6)
- 3-Methyl-5-sulfamoylbenzoic acid (CAS 1016703-57-3)
- 2-Methyl-3-sulfamoylbenzoic acid (CAS 1342428-00-5)
- 5-Methyl-2-sulfamoylbenzoic acid (CAS 1384725-79-4)
- 2-Methyl-4-sulfamoylbenzoic acid (CAS 860752-46-1)
- 3-Methyl-4-sulfamoylbenzoic acid (CAS 866997-46-8)
- 4-Methyl-3-sulfamoylbenzoic acid (CAS 20532-05-2)
Recommended Standards
- Celecoxib Impurity 27 (CAS 343853-74-7)
- tert-Butyl (5-fluoro-1H-imidazol-4-yl)carbamate (CAS 330953-79-2)
- Celecoxib Impurity 62 (CAS CATO-C4X-104362)
- 4-Acetyl-2-hydroxybenzaldehyde (CAS 109142-90-7)
- 8-Methyl-1-nonyl Alcohol (CAS 25339-17-7)
- 4-(2-Methoxyethyl)-1,2,3,4-tetrahydroquinoline (CAS 1782378-03-3)
- 4-(3-(3,4-Dihydro-2H-pyrrol-5-yl)pyridin-2-yl)morpholine (CAS 1352529-18-0)
- 7,7-Dibromo-6-methyl-3-azabicyclo[4.1.0]Heptane hydrochloride (CAS 1955547-13-3)
- 1,4-Dibromo-2-fluoro-3-nitrobenzene (CAS 1806307-23-2)
- C-Peptide 1 (rat) (CAS 41475-27-8)
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