2-(Benzo[1,2,5]thiadiazole-4-sulfonylamino)-benzoic acid CAS 138323-23-6
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 138323-23-6 |
| Molecular Formula | C13H9N3O4S2 |
| Molecular Weight | 335.36 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2-(Benzo[1,2,5]thiadiazole-4-sulfonylamino)-benzoic acid (CAS 138323-23-6) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C13H9N3O4S2. Molecular weight: 335.36 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C13H9N3O4S2 |
| Molecular Weight | 335.36 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) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1996 |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 2 |
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Recommended Standards
- 1-Benzyl 2-methyl 4-(2-aminoacetyl)piperazine-1,2-dicarboxylate (CAS 1353943-97-1)
- tert-Butyl 4-(3-formyl-4-nitrophenyl)-piperazine-1-carboxylate (CAS 1395101-69-5)
- 2-(3-{2-[(tert-Butoxycarbonyl)amino]ethyl}-2-oxo-2,3-dihydro-1H-benzimidazol-1-yl)acetic acid (CAS 1353502-63-2)
- Dibenzo[2,3;10,11]peryleno[1,12-bcd]thiophene" (CAS 196-23-6)
- N-Methyl-2-(pyridin-3-yl)-6-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)quinazolin-4-amine (CAS 1417301-02-0)
- tert-Butyl 2-(4-fluorophenyl)pyrrolidine-1-carboxylate (CAS 1243198-94-8)
- 1-Amino-n'-hydroxycycloheptane-1-carboximidamide (CAS 1563136-05-9)
- 1-Ethyl-6-methoxy-1h-indole-2-carboxylic acid (CAS 1240579-05-8)
- 3-(Carboxymethyl)-2-(4-chlorophenyl)-quinoline-4-carboxylic acid (CAS 43071-32-5)
- Semaglutide impurity 81 (CAS CATO-C4X-222681)
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