6-(4-Aminophenylsulfonamido)pyridin-3-yl hydrogen sulfate CAS 138558-79-9
| CAS No. | 138558-79-9 |
| Molecular Formula | C11H11N3O6S2 |
| Molecular Weight | 345.35 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 6-(4-Aminophenylsulfonamido)pyridin-3-yl hydrogen sulfate.
6-(4-Aminophenylsulfonamido)pyridin-3-yl hydrogen sulfate (CAS 138558-79-9), molecular formula C11H11N3O6S2 and molecular weight 345.35 g/mol, is a CATO reference standard with documented purity and traceability.
6-(4-Aminophenylsulfonamido)pyridin-3-yl hydrogen sulfate (C11H11N3O6S2) contains a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage. It is notably hygroscopic, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures 6-(4-Aminophenylsulfonamido)pyridin-3-yl hydrogen sulfate 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 | C11H11N3O6S2 |
| Molecular Weight | 345.35 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1996 |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 2 |
Related Aminophenylsulfonamido Standards
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