3-(4-Chloro-3-nitro-1h-pyrazol-1-yl)propanehydrazide CAS 1004644-66-9
| CAS No. | 1004644-66-9 |
| Molecular Formula | C6H8ClN5O3 |
| Molecular Weight | 233.61 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
3-(4-Chloro-3-nitro-1h-pyrazol-1-yl)propanehydrazide (CAS 1004644-66-9) is a high-purity analytical reference standard with the molecular formula C6H8ClN5O3 and a molecular weight of 233.61 g/mol.
Structurally, 3-(4-Chloro-3-nitro-1h-pyrazol-1-yl)propanehydrazide (C6H8ClN5O3) contains an amide group, a carboxylic acid group, a hydroxyl group, an ether linkage, chlorine substitution, an aromatic ring system. The molecule exhibits a degree of unsaturation (DBE) of 5.0, corresponding to approximately 5 ring(s) or double-bond equivalent(s). With a molecular weight of 233.61 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.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), 3-(4-Chloro-3-nitro-1h-pyrazol-1-yl)propanehydrazide 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 | C6H8ClN5O3 |
| Molecular Weight | 233.61 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 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) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1988 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 5 |
Related Chloro Standards
- Methyl 3-(4-chloro-3-nitro-1h-pyrazol-1-yl)propanoate (CAS 1006993-44-7)
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- 2-Chloro-6-nitroquinoline-4-carbonitrile (CAS 81257-01-4)
- 4-chloro-5-nitroquinoline-3-carbonitrile (CAS 364794-14-9)
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Recommended Standards
- 2-(Chloromethyl)-6-(difluoromethoxy)benzo[d]oxazole (CAS 1804106-53-3)
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- 2-(Chloromethyl)-4-(difluoromethoxy)benzo[d]oxazole (CAS 1803838-19-8)
- (5-Nitrofuran-2-yl)methyl 3-chloropropanoate (CAS 13295-81-3)
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- 2-(Methacryloyloxy)acetic acid (CAS 6852-90-0)
- 4-(cyclopropylamino)butan-1-ol (CAS 1250094-38-2)
- 2-Cyano-N-(3-methoxyphenyl)-3-(pyridin-4-yl)propanamide (CAS 483359-55-3)
- tert-Butyl (3-(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazol-1-yl)cyclobutyl)carbamate (CAS 2439223-60-4)
- 2-(Chloromethyl)-N,N-dimethyl-1-propyl-1H-benzo[d]imidazole-5-sulfonamide (CAS 852933-08-5)
- 1-(2,6-Dichlorophenyl)cyclopentanemethanamine (CAS 1039932-12-1)
- 1H-pyrrolo[2,3-c]pyridine-3-sulfonyl chloride (CAS 1781898-49-4)
- (R)-2-(5-fluoro-2-methoxyphenyl)pyrrolidine (CAS 1213195-53-9)
- Semaglutide Impurity 151 xTFA (CAS CATO-C4X-2226151)
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