5-Amino-4-methoxy-2-nitrobenzenesulphonic Acid CAS 6375-05-9
| CAS No. | 6375-05-9 |
| Molecular Formula | C7H8N2O6S |
| Molecular Weight | 248.21 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
5-Amino-4-methoxy-2-nitrobenzenesulphonic Acid (C7H8N2O6S) contains a carbohydrate-derived structure, an amide group, a sulfone group. 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).
5-Amino-4-methoxy-2-nitrobenzenesulphonic Acid (CAS 6375-05-9) is a high-purity analytical reference standard with the molecular formula C7H8N2O6S and a molecular weight of 248.21 g/mol.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), 5-Amino-4-methoxy-2-nitrobenzenesulphonic Acid meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C7H8N2O6S |
| Molecular Weight | 248.21 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.) | 1958 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
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Recommended Standards
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- 6-(4-Chlorophenyl)-2-methylnicotinaldehyde (CAS 1242015-13-9)
- 1-(6-Bromopyridin-2-yl)ethane-1,2-diol (CAS 1093879-16-3)
- [(2-Chloro-6-fluorophenyl)methyl](propyl)amine (CAS 62924-65-6)
- 4-[4-(2-Ethylpiperidin-1-yl)-3-nitrophenyl]-1,2-dihydrophthalazin-1-one (CAS 882000-12-6)
- [3,3'-Bi(1,2,5-oxadiazole)]-4,4'-dicarboxylic acid hydrate (CAS 306935-61-5)
- 7-methoxy-3,4-dihydro-2H-1-benzopyran-3-amine hydrochloride (CAS 54445-01-1)
- 3,4-DIbromo-1,1,1,3-tetrafluorobutane (CAS 933668-36-1)
- Insulin Degludec Impurity 1 (CAS 843666-26-2)
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