1-(Difluoromethyl)-3-(methoxymethyl)-1H-pyrazole-4-sulfonyl chloride CAS 1856050-89-9
| CAS No. | 1856050-89-9 |
| Molecular Formula | C6H7ClF2N2O3S |
| Molecular Weight | 260.65 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
1-(Difluoromethyl)-3-(methoxymethyl)-1H-pyrazole-4-sulfonyl chloride (CAS 1856050-89-9), molecular formula C6H7ClF2N2O3S and molecular weight 260.65 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 1-(Difluoromethyl)-3-(methoxymethyl)-1H-pyrazole-4-sulfonyl chloride (C6H7ClF2N2O3S) contains an amide group, a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, fluorine/chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 3.0, corresponding to approximately 3 ring(s) or double-bond equivalent(s). With a molecular weight of 260.65 g/mol, it falls into the medium-molecular-weight range. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
CATO manufactures 1-(Difluoromethyl)-3-(methoxymethyl)-1H-pyrazole-4-sulfonyl chloride under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C6H7ClF2N2O3S |
| Molecular Weight | 260.65 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 methanol, ethanol, DMSO, water |
| 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) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1995 |
| Halogen Content | F/Cl-containing |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
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Recommended Standards
- Methyl 4-(chlorosulfonyl)-6-cyanopicolinate (CAS 1393582-58-5)
- 1H-Pyrazolo[4,3-d]pyrimidine, 5-chloro-3-fluoro-7-methoxy-1-(2-methoxyethyl)- (CAS 2445848-22-4)
- Methyl 6-(chlorosulfonyl)-4-cyanopicolinate (CAS 1393570-46-1)
- 2,4-Dioxo-1,2,3,4-tetrahydroquinazoline-6-sulfonyl chloride (CAS 56044-12-3)
- (2R,3R)-bicyclo[2.2.2]Octane-2,3-dicarboxylic acid (CAS 6303-66-8)
- 3-bromo-2-cyanobenzene-1-sulfonyl chloride (CAS 612541-16-9)
- 1-Bromo-4-isocyanato-2-methylbenzene 1591-97-5 5048AD C8H6BrNO (CAS 1591-97-5)
- N-(4-oxocyclohexyl)benzamide (CAS 13942-05-7)
- 2-(3,3-Difluoropyrrolidin-1-yl)-3-(trifluoromethyl)pyridine (CAS 1707358-15-3)
- 1-Ethyl-6-methyl-5-nitropyridin-2(1H)-one (CAS 1624262-14-1)
- N-[4-(1,3-Benzodioxol-5-yl)-1,3-thiazol-2-yl]guanidine (CAS 886497-71-8)
- 8-fluoro-4-hydroxyquinoline-3-carbonitrile (CAS 61338-15-6)
- 3-((1,2,3,4-Thiatriazol-5-yl)amino)benzenesulfonamide (CAS 91772-19-9)
- C-Peptide (human) (CAS 33017-11-7)
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