Pyridazine-3-sulfonyl fluoride CAS 1934818-58-2
| CAS No. | 1934818-58-2 |
| Molecular Formula | C4H3FN2O2S |
| Molecular Weight | 162.14 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 162.14 g/mol gives Pyridazine-3-sulfonyl fluoride distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
Pyridazine-3-sulfonyl fluoride (CAS 1934818-58-2) is a high-purity analytical reference standard with the molecular formula C4H3FN2O2S and a molecular weight of 162.14 g/mol.
Structurally, Pyridazine-3-sulfonyl fluoride (C4H3FN2O2S) contains an amide group, a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, fluorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 4.0, corresponding to approximately 4 ring(s) or double-bond equivalent(s). With a molecular weight of 162.14 g/mol, it falls into the medium-molecular-weight range. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
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), Pyridazine-3-sulfonyl fluoride 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 | C4H3FN2O2S |
| Molecular Weight | 162.14 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry, keep tightly closed to prevent evaporation |
| 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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1996 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related Pyridazine Standards
- Pyridazine, 3-chloro-6-methoxy-, 2-oxide (CAS 14634-52-7)
- 1,1'-(Pyridazine-3,6-diyl)diethanone (CAS 260557-88-8)
- pyridazine-3-sulfonamide (CAS 860448-30-2)
- Pyridazine-4,5-dicarboxamide (CAS 98198-11-9)
- Pyridazine-4,5-dicarboxylic Acid (CAS 59648-14-5)
- ethyl pyridazine-3-carboxylate (CAS 1126-10-9)
- Ethyl Pyridazine-4-carboxylate (CAS 39123-39-2)
- pyridazine-3,4-dicarboxylic acid (CAS 129116-97-8)
Recommended Standards
- (5-(Difluoromethyl)-1-methyl-1H-1,2,3-triazol-4-yl)methanamine (CAS 1934569-79-5)
- 5-Methylisobenzofuran-1,3-dione (CAS 19438-61-0)
- 5-Ethynyl-2-hydroxybenzoic acid (CAS 1879197-53-1)
- 2-Methoxyacetic anhydride (CAS 19500-95-9)
- 3-(piperidin-4-yl)-1,2-dihydroisoquinolin-1-one hydrobromide (CAS 476491-47-1)
- 2-Ethyl-2-methyl-6-nitrochroman-4-one (CAS 886363-62-8)
- 2-Cyclopentylpyrimidine-4-carboxylic acid (CAS 1341862-89-2)
- 4-Bromo-5-(((tert-butyldimethylsilyl)oxy)methyl)thiazole (CAS 870063-22-2)
- 5-Fluoro-2-(trifluoromethyl)-1H-benzo[d]imidazole (CAS 3671-47-4)
- 1-(2,3,4-Trifluorophenyl)propan-1-one (CAS 243666-16-2)
- N-Methyl-2-(methylsulfonyl)ethanamine hydrochloride (CAS 202197-60-2)
- tert-Butyl (1,2,3,4-tetrahydroquinolin-7-yl)carbamate (CAS 1176657-15-0)
- 6-Amino-1-(pyridin-3-ylmethyl)-2-thioxo-2,3-dihydropyrimidin-4(1H)-one (CAS 879444-24-3)
- Semaglutide impurity 42 (CAS CATO-C4X-222642)
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