1-(Phenylsulfonyl)-1H-pyrazol-4-amine CAS 1208170-22-2
| CAS No. | 1208170-22-2 |
| Molecular Formula | C9H9N3O2S |
| Molecular Weight | 223.25 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 1-(Phenylsulfonyl)-1H-pyrazol-4-amine (CAS 1208170-22-2), a certified reference material (molecular formula C9H9N3O2S, MW 223.25 g/mol) for analytical method development and quality control.
Based on its molecular formula C9H9N3O2S, 1-(Phenylsulfonyl)-1H-pyrazol-4-amine contains a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 223.25 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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.
As a certified reference material (CRM), 1-(Phenylsulfonyl)-1H-pyrazol-4-amine 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 | C9H9N3O2S |
| Molecular Weight | 223.25 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.) | 1990 |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
Related Phenylsulfonyl Standards
- 4-(Phenylsulfonyl)-1H-pyrazol-5-amine (CAS 243661-06-5)
- 4-(Phenylsulfonyl)isoxazol-5-amine (CAS 67960-26-3)
- 4-Methyl-1-(phenylsulfonyl)-1h-imidazole (CAS 324777-12-0)
- 3-Methyl-4-(phenylsulfonyl)-1,2,5-oxadiazole 49739-42-6 (CAS 49739-42-6)
- 3-(Phenylsulfonyl)thiophene (CAS 16718-05-1)
- 2-(Phenylsulfonyl)thiophene (CAS 22407-40-5)
- 3-(Phenylsulfonyl)-6-oxa-3-azabicyclo[3.1.0]hexane (CAS 955158-69-7)
- 2-((Phenylsulfonyl)methyl)pyrrolidine (CAS 1017335-38-4)
Recommended Standards
- N-(5-Methyl-1,3,4-thiadiazol-2-yl)-2-(1H-pyrazol-1-yl)acetamide (CAS 1207010-24-9)
- (2s)-2-(3-Oxo-2,3-dihydro-1,2-benzothiazol-2-yl)propanoic acid (CAS 1212358-67-2)
- 5-Methoxy-2-methylbenzo[d]thiazole-6-carboxylic acid (CAS 1196152-50-7)
- 1-Tosyl-1H-1,2,3-triazole (CAS 1219601-57-6)
- N-(1-isopropyl-1H-pyrazol-5-yl)-N’-phenylurea (CAS 1955564-45-0)
- 1,1,1,2,2,3,3,4,4,5,5-Undecafluoro-6-iodohexane (CAS 335-50-2)
- 4,5-Diiodo-1-(oxan-2-yl)pyrazole (CAS 1403483-65-7)
- 3-Methyl-isothiazole-4-carboxylic acid (CAS 15903-66-9)
- gold monochloride (CAS 10294-29-8)
- (1-Benzyl-1h-imidazol-5-yl)methanamine (CAS 1439991-99-7)
- Clindamycin Impurity 58 (CAS CATO-C4X-134158)
- 4-((2-Methylpiperidin-1-yl)sulfonyl)-N-(5-(pyridin-2-yl)-1,3,4-oxadiazol-2-yl)benzamide (CAS 862809-69-6)
- 7-AMINOQUINOLINE-3-CARBOXYLIC ACID (CAS 1337881-29-4)
- (Des-Gly2)-Exenatide trifluoroacetate salt (CAS 1678416-78-8)
Why CATO?
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