1-BUtyl-5-chloro-1h-pyrazole CAS 1551657-96-5
| CAS No. | 1551657-96-5 |
| Molecular Formula | C7H11ClN2 |
| Molecular Weight | 158.63 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, 1-BUtyl-5-chloro-1h-pyrazole (C7H11ClN2) contains a nitrile group, 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 158.63 g/mol, it falls into the medium-molecular-weight range. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
1-BUtyl-5-chloro-1h-pyrazole (CAS 1551657-96-5) is a high-purity analytical reference standard with the molecular formula C7H11ClN2 and a molecular weight of 158.63 g/mol.
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-BUtyl-5-chloro-1h-pyrazole 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 | C7H11ClN2 |
| Molecular Weight | 158.63 g/mol |
| Appearance | White to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, 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 |
| Degree of Unsaturation (DBE) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1992 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
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Recommended Standards
- 2-chloro-3,3-dimethylcyclopent-1-ene-1-carbaldehyde (CAS 1519776-05-6)
- Bicyclo[4.1.0]heptane-1-carbonyl chloride (CAS 165126-40-9)
- 5-Chloro-3-methyl-1-(propan-2-yl)-1h-pyrazole (CAS 1480458-98-7)
- 4-Methylcyclohex-3-enecarbonyl Chloride (CAS 16695-95-7)
- 4-Phenylpyrrolidine-3-carbonitrile (CAS 1366924-08-4)
- (2-Methoxy-benzyl)-(2-methoxy-1-methyl-ethyl)-amine oxalate (CAS 436099-98-8)
- 1h-pyrazol[3,4]pyridin-3-amine 1h-pyrazolo[3,4-b]pyridin-3-amine 1h-pyrazolo[3,4-b]pyridin-3-ylamine 1h-pyrazolo[3,4-b]pyridine-3-amine 3-Amino-pyrazolo[3,4-b]pyridine 3-amino-1h-pyrazolo[3,4-b]pyridine 3-aminopyrazolo[3,4-b]pyridine 3-aminopyrazolo[5,4-b]pyridine 6752-16-5 (CAS 6752-16-5)
- 2-amino-3-(1H-pyrrol-1-yl)propanoic acid (CAS 7723-30-0)
- 1,4-Bis((4-hydroxyphenyl)amino)anthracene-9,10-dione (CAS 15939-83-0)
- Ethyl 5-aminopyrazolo[1,5-a]pyridine-3-carboxylate (CAS 1101120-35-7)
- 5-Amino-N-isopropyl-1-phenyl-1H-pyrazole-4-carboxamide (CAS 117544-96-4)
- Formoterol impurity 146 (CAS CATO-C4X-1525146)
- N-(3-tert-butyl-1-phenyl-1H-pyrazol-5-yl)-2-chloropropanamide (CAS 956183-13-4)
- Semaglutide impurity 198 (CAS CATO-C4X-2226198)
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