3-Methyl-1-(2-methylpropyl)-1h-pyrazole-4-sulfonyl chloride CAS 1006453-74-2
| CAS No. | 1006453-74-2 |
| Molecular Formula | C8H13ClN2O2S |
| Molecular Weight | 236.72 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.
3-Methyl-1-(2-methylpropyl)-1h-pyrazole-4-sulfonyl chloride (CAS 1006453-74-2) is a high-purity analytical reference standard with the molecular formula C8H13ClN2O2S and a molecular weight of 236.72 g/mol.
Structurally, 3-Methyl-1-(2-methylpropyl)-1h-pyrazole-4-sulfonyl chloride (C8H13ClN2O2S) contains an amide group, a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, 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 236.72 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).
As a certified reference material (CRM), 3-Methyl-1-(2-methylpropyl)-1h-pyrazole-4-sulfonyl chloride 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 | C8H13ClN2O2S |
| Molecular Weight | 236.72 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) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1988 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related Methyl Standards
- 3-Methyl-1-(2-methylpropyl)-1h-pyrazole-5-sulfonyl chloride (CAS 1245806-70-5)
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Recommended Standards
- 3,5-dimethyl-1-propyl-1h-pyraZole-4-sulfonyl chloride (CAS 1006336-87-3)
- 1-Butyl-5-methyl-1h-pyrazole-4-sulfonyl chloride (CAS 1006454-04-1)
- 2-Chloro-6-(p-tolyl)-4H-thiopyran-4-one (CAS 1000574-14-0)
- 1-(Butan-2-yl)-5-methyl-1h-pyrazole-4-sulfonyl chloride (CAS 1006454-09-6)
- N-(5-Amino-2-fluorophenyl)-2-(2-methylphenoxy)-acetamide (CAS 954268-09-8)
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