3-Acetamido-4-methoxybenzenesulfinic acid hydrate CAS 194723-10-9
| CAS No. | 194723-10-9 |
| Molecular Formula | C9H11NO4S |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 247.26 g/mol gives 3-Acetamido-4-methoxybenzenesulfinic acid hydrate distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
CATO supplies 3-Acetamido-4-methoxybenzenesulfinic acid hydrate (CAS 194723-10-9), a certified reference material (molecular formula C9H11NO4SH2O, MW 247.26 g/mol) for analytical method development and quality control.
3-Acetamido-4-methoxybenzenesulfinic acid hydrate (C9H11NO4SH2O) 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. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
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 3-Acetamido-4-methoxybenzenesulfinic acid hydrate 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 | C9H11NO4S H2O |
| Molecular Weight | 247.26 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) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2012 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
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