4-amino-3-Pyridinesulfonamide CAS 75903-62-7
| CAS No. | 75903-62-7 |
| Molecular Formula | C5H7N3O2S |
| Molecular Weight | 173.19 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 173.19 g/mol gives 4-amino-3-Pyridinesulfonamide distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
4-amino-3-Pyridinesulfonamide (CAS 75903-62-7), molecular formula C5H7N3O2S and molecular weight 173.19 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C5H7N3O2S, 4-amino-3-Pyridinesulfonamide contains an amide group, a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 173.19 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.
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
CATO manufactures 4-amino-3-Pyridinesulfonamide under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C5H7N3O2S |
| Molecular Weight | 173.19 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1978 |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
Related amino Standards
- Ethyl 5-amino-1,2,4-thiadiazole-3-carboxylate (CAS 150056-39-6)
- 3-(5-Amino-1,3,4-thiadiazol-2-yl)propanoic acid (CAS 66030-27-1)
- 5-Amino-2-(methylsulfanyl)-4,6-pyrimidinediol (CAS 884861-16-9)
- Ethyl 4-amino-1,2,5-thiadiazole-3-carboxylate (CAS 499999-36-9)
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- Methyl 2-amino-2-(3-fluorobicyclo[1.1.1]pentan-1-yl)acetate (CAS 1934370-58-7)
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Recommended Standards
- 4-(4-Fluorophenyl)pyridine (CAS 39795-58-9)
- 4-Aminopyridine-2-sulfonamide (CAS 75903-57-0)
- 4-(3-Fluorophenyl)pyridine (CAS 39795-59-0)
- 4-Methoxy-2-methylthiazole-5-carboxylic acid (CAS 851755-42-5)
- 4-(Benzylamino)-5-chloropyridine-3-sulfonic acid (CAS 1352497-55-2)
- (Des-Pyr1)-LHRH (CAS 38280-53-4)
- Piperidin-3-yl 3-methylbutanoate hydrochloride 1220037-93-3 (CAS 1220037-93-3)
- 2,2'-Butylidenebis[6-dimethylethyl]-4-methylphenol (CAS 4081-14-5)
- Abemaciclib Impurity 42 (CAS 1231930-57-6)
- 2,3,4,6-Tetra-O-pivaloyl-D-glucopyranosyl azide (CAS 1251910-91-4)
- 4-bromo-1-(4-fluorophenyl)-1H-pyrazol-5-amine (CAS 1529602-50-3)
- 2-(4-Bromo-2-oxopyridin-1(2H)-yl)acetic acid (CAS 2092511-19-6)
- 1-(4-Bromophenyl)-3,5-dimethyl-1H-pyrazole-4-carbaldehyde (CAS 294877-39-7)
- Peptide Impurity 04 (CAS 2913424-91-4)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com