4-(1h-1,2,4-triaZol-1-ylmethyl)benzene-1-sulfonamide CAS 1099632-71-9
| CAS No. | 1099632-71-9 |
| Molecular Formula | C9H10N4O2S |
| Molecular Weight | 238.27 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
4-(1h-1,2,4-triaZol-1-ylmethyl)benzene-1-sulfonamide (CAS 1099632-71-9), molecular formula C9H10N4O2S and molecular weight 238.27 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 4-(1h-1,2,4-triaZol-1-ylmethyl)benzene-1-sulfonamide (C9H10N4O2S) contains a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 7.0, corresponding to approximately 7 ring(s) or double-bond equivalent(s). With a molecular weight of 238.27 g/mol, it falls into the medium-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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.
Physical & Chemical Properties
| Molecular Formula | C9H10N4O2S |
| Molecular Weight | 238.27 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) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1989 |
| Nitrogen Atoms | 4 |
| Sulfur Atoms | 1 |
Related h Standards
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- 1-(((4H-1,2,4-Triazol-4-yl)imino)methyl)naphthalen-2-ol (CAS 281191-96-6)
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Recommended Standards
- Neostigmine impurity 47 (CAS CATO-C4X-204247)
- Ethyl 5-amino-1-(1,3-thiazol-2-yl)-1h-pyrazole-4-carboxylate (CAS 112267-06-8)
- Paliperidone Impurity 104 (CAS CATO-C4X-1724104)
- 5-(trifluoromethyl)-1-benzothiophene-2-carbaldehyde (CAS 1135283-83-8)
- 1H-Indole-3-carbohydrazide (CAS 15317-58-5)
- 2-Bromopropyl acetate (CAS 592-19-8)
- N-Boc-N-(2-aminobenzyl)methylamine, 97% (CAS 868783-63-5)
- 4-(1,2,3-Thiadiazol-4-yl)aniline (CAS 121180-51-6)
- 2-((4-Methylpiperidin-1-yl)sulfonyl)benzonitrile (CAS 612045-78-0)
- tert-Butyl 6-methyl-8-oxo-7-azabicyclo[4.2.0]octane-7-carboxylate (CAS 1418113-89-9)
- N-(3-Amino-2-methylphenyl)-2-butoxybenzamide (CAS 1020056-40-9)
- Ethyl 5-benzamidonicotinate (CAS 101512-22-5)
- 7-Chloro-2-methyl-3-(m-tolyl)quinazolin-4(3H)-one (CAS 62820-64-8)
- Semaglutide impurity 237 (CAS CATO-C4X-2226237)
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