1-(Cyclopropylmethyl)-3,5-dimethyl-1H-pyrazole-4-sulfonyl chloride CAS 1183992-83-7
| CAS No. | 1183992-83-7 |
| Molecular Formula | C9H13ClN2O2S |
| Molecular Weight | 248.73 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 1-(Cyclopropylmethyl)-3,5-dimethyl-1H-pyrazole-4-sulfonyl chloride.
1-(Cyclopropylmethyl)-3,5-dimethyl-1H-pyrazole-4-sulfonyl chloride (CAS 1183992-83-7), molecular formula C9H13ClN2O2S and molecular weight 248.73 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage, chlorine substitution, 1-(Cyclopropylmethyl)-3,5-dimethyl-1H-pyrazole-4-sulfonyl chloride is typically off-white to pale yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 248.73 g/mol — guide the selection of appropriate sample preparation and analytical techniques. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures 1-(Cyclopropylmethyl)-3,5-dimethyl-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 | C9H13ClN2O2S |
| Molecular Weight | 248.73 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 |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1989 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related Cyclopropylmethyl Standards
- 1-(cyclopropylmethyl)-2-ethyl-1H-imidazole-4-sulfonyl chloride (CAS 1343139-16-1)
- 1-(cyclopropylmethyl)-2-ethyl-1H-imidazole-5-sulfonyl chloride (CAS 2031269-33-5)
- N-(Cyclopropylmethyl)-N-[(1-methyl-1H-pyrazol-4-yl)methyl]piperidin-4-amine (CAS 2140305-23-1)
- N-(cyclopropylmethyl)-5-(thiophen-2-yl)-1,2-oxazole-3-carboxamide (CAS 1016373-61-7)
- 5-(Cyclopropylmethyl)-4-oxo-5,6,7,8-tetrahydro-4H-pyrazolo[1,5-a][1,4]diazepine-2-carboxylic acid (CAS 1707566-74-2)
- Ethyl 2-(cyclopropylmethyl)-4,5,6,7-tetrahydro-2H-pyrazolo[4,3-c]pyridine-7-carboxylate (CAS 1391733-11-1)
- 1-(Cyclopropylmethyl)-4-pyrazoleboronic acid pinacol ester, 97% (CAS 1000801-75-1)
- 1-(Cyclopropylmethyl)-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole (CAS 2019997-41-0)
Recommended Standards
- 1-Cyclohexyl-1h-pyrazole-4-sulfonyl chloride (CAS 1177349-87-9)
- (2E)-1-(3-Chlorophenyl)-3-(thiophen-2-yl)prop-2-en-1-one (CAS 1222540-09-1)
- 2-Chloro-5-((thiophen-3-ylmethyl)amino)benzonitrile (CAS 1156960-27-8)
- 1-Cyclopentyl-3-methyl-1h-pyrazole-5-sulfonyl chloride (CAS 1245806-72-7)
- 2-Chloro-6-(1H-pyrazol-1-yl)pyrazine (CAS 642459-09-4)
- (2-Bromo-5-(bromomethyl)phenyl)methanol (CAS 1261646-71-2)
- 5-(1h-Pyrazol-3-yl)-1,2,4-oxadiazole-3-carboxylic acid (CAS 1339857-20-3)
- 4-((Tetrahydrofuran-2-yl)methoxy)piperidine (CAS 883537-64-2)
- 3-Hexenal (CAS 4440-65-7)
- N-(1-(2-Methoxyethyl)piperidin-4-yl)-1-naphthamide (CAS 1421514-18-2)
- 6-Amino-2h,3h-imidazo[2,1-b][1,3]thiazole-5-carbonitrile (CAS 97876-69-2)
- Articaine Impurity C86 (CAS 2169099-30-1)
- 2-(Difluoromethyl)-5-hydroxy-4-nitropyridine-3-carboxylic acid (CAS 1805068-39-6)
- Acetyl-Tau Peptide (244-274) (Repeat 1 Domain) trifluoroacetate salt (CAS 2022956-56-3)
Why CATO?
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