2-(4-chloro-3-methyl-1h-pyraZol-1-yl)acetohydrazide CAS 1004644-55-6
| CAS No. | 1004644-55-6 |
| Molecular Formula | C6H9ClN4O |
| Molecular Weight | 188.61 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C6H9ClN4O, 2-(4-chloro-3-methyl-1h-pyraZol-1-yl)acetohydrazide contains an amide group, a hydroxyl group, an ether linkage, chlorine substitution, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 188.61 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
CATO supplies 2-(4-chloro-3-methyl-1h-pyraZol-1-yl)acetohydrazide (CAS 1004644-55-6), a certified reference material (molecular formula C6H9ClN4O, MW 188.61 g/mol) for analytical method development and quality control.
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 2-(4-chloro-3-methyl-1h-pyraZol-1-yl)acetohydrazide 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 | C6H9ClN4O |
| Molecular Weight | 188.61 g/mol |
| Appearance | Off-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) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1988 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 4 |
Related chloro Standards
- 4-chloro-1-ethyl-1h-pyraZole-5-carbohydrazide (CAS 1001755-85-6)
- 4-chloro-1-ethyl-1h-pyraZole-3-carbohydrazide (CAS 1001755-86-7)
- Methyl 3-(4-chloro-1h-pyrazol-1-yl)propanoate (CAS 1002033-70-6)
- 2-(4-Chloro-1h-pyrazol-1-yl)-2-methylpropanoic acid (CAS 1004192-94-2)
- 2-(4-chloro-1h-pyraZol-1-yl)propanohydrazide (CAS 1005583-19-6)
- Methyl 2-(4-chloro-1h-pyrazol-1-yl)propanoate (CAS 1005611-73-3)
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Recommended Standards
- 2-Chloro-3-(3,5-difluorophenyl)-1-propene (CAS 951892-72-1)
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- 2-Chloro-3-(3,4-difluorophenyl)-1-propene (CAS 951892-57-2)
- 3-(4-Chloro-1h-pyrazol-1-yl)propanehydrazide (CAS 1005695-64-6)
- 6-Bromo-5-methyl-2H-benzo[b][1,4]oxazin-3(4H)-one (CAS 1154740-47-2)
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- 2-((2-Chloro-4-nitrophenyl)amino)-N-isopropylacetamide (CAS 923124-84-9)
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