2-Amino-4-sulfobenzoic acid CAS 98-43-1
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 98-43-1 |
| Molecular Formula | C7H7NO5S |
| Molecular Weight | 217.20 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2-Amino-4-sulfobenzoic acid (CAS 98-43-1) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C7H7NO5S. Molecular weight: 217.20 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C7H7NO5S |
| Molecular Weight | 217.20 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 |
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Recommended Standards
- 2-Fluoro-4-(pyridin-3-yl)benzoic acid (CAS 370864-62-3)
- 2-[(3-methyl-4-nitro-1h-pyrazol-5-yl)sulfanyl]acetic acid (CAS 879565-31-8)
- 2-FLuoro-4-nitrobiphenyl (CAS 391-04-8)
- tert-Butyl (S)-(1-benzyl-5,5-dimethylpiperidin-3-yl)carbamate (CAS 2173193-76-3)
- 2-(3,4,5-Trifluorobenzoyl)pyridine (CAS 898758-18-4)
- (1-(4-Amino-2-methylphenyl)piperidin-4-yl)methanol (CAS 1094746-87-8)
- N1-benzyl-N1-isopropylpentane-1,2-diamine (CAS 1153105-25-9)
- 3-(4-Hydroxy-2-methoxy-3-(3-methylbut-2-en-1-yl)phenyl)-2H-chromen-7-ol (CAS 161099-42-9)
- 3-(tert-Butyl)-6-(trifluoromethyl)-1,2,3,4-tetrahydroquinoline (CAS 1406566-96-8)
- [D-Glu]3-Semaglutide (CAS CATO-C4X-2226253)
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