4-Amino-2-sulfamoylbenzoic acid CAS 46277-93-4
| CAS No. | 46277-93-4 |
| Molecular Formula | C7H8N2O4S |
| Molecular Weight | 216.21 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C7H8N2O4S, 4-Amino-2-sulfamoylbenzoic acid contains an amide group, a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 216.21 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
4-Amino-2-sulfamoylbenzoic acid (CAS 46277-93-4), molecular formula C7H8N2O4S and molecular weight 216.21 g/mol, is a CATO reference standard with documented purity and traceability.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C7H8N2O4S |
| Molecular Weight | 216.21 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.) | 1970 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related Amino Standards
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- 3-(Cyclohexyloxy)-2,2-dimethylpropane-1-sulfonyl chloride (CAS 1480654-78-1)
- 2-Chloro-1-(4-(2-oxo-2-(pyrrolidin-1-yl)ethyl)piperazin-1-yl)ethan-1-one (CAS 885524-13-0)
- 5-(Naphthalen-1-ylmethyl)-1,3-thiazol-2-amine (CAS 207463-35-2)
- 5-Chloro-4-methyl-6-(methylthio)pyrimidine (CAS 205056-86-6)
- (S)-2-(1-Aminoethyl)-6-methylphenol (CAS 180683-45-8)
- Semaglutide impurity 199 (CAS CATO-C4X-2226199)
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