4-azido-5-chloro-1H-pyridazin-6-one CAS 40175-80-2
| CAS No. | 40175-80-2 |
| Molecular Formula | C4H6ClN5O |
| Molecular Weight | 175.58 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.
4-azido-5-chloro-1H-pyridazin-6-one (CAS 40175-80-2) is a high-purity analytical reference standard with the molecular formula C4H6ClN5O and a molecular weight of 175.58 g/mol.
Based on its molecular formula C4H6ClN5O, 4-azido-5-chloro-1H-pyridazin-6-one contains an amide group, a hydroxyl group, an ether linkage, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 175.58 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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), 4-azido-5-chloro-1H-pyridazin-6-one 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 | C4H6ClN5O |
| Molecular Weight | 175.58 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 |
| CAS Registry Year (est.) | 1968 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 5 |
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Recommended Standards
- 1-(3-(Chloromethyl)-1,2,4-oxadiazol-5-yl)guanidine (CAS 74025-73-3)
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- 5-Chloro-1-ethyl-4-nitro-1H-imidazole (CAS 123556-58-1)
- 2-Chloro-6-fluoro-3-methoxyaniline (CAS 1017777-58-0)
- Ethyl 2-([1,1'-biphenyl]-2-yloxy)acetate (CAS 107352-46-5)
- 3-Propoxybenzohydrazide (CAS 350988-61-3)
- 2-(Pyridin-2-yl)ethane-1-sulfonyl chloride (CAS 151018-73-4)
- N-(Isoxazol-3-yl)-3-(pyridin-2-yloxy)benzamide (CAS 1796971-37-3)
- 2-(Ethyl(2-fluorobenzyl)amino)ethanol (CAS 1249305-67-6)
- 2-Hydrazinyl-1-isopentyl-1H-benzo[d]imidazole dihydrochloride (CAS 1215598-66-5)
- 2,3-Dihydro-1,4-benzodioxine-6-carboxamide (CAS 299169-62-3)
- 6-(3-chloro-5-(trifluoromethyl)pyridin-2-yl)-5,6,7,8-tetrahydropyrido[4,3-d]pyrimidin-2-amine (CAS 338979-12-7)
- 3-Chloro-5-(2-chlorophenyl)-1h-1,2,4-triazole (CAS 63580-19-8)
- (Des-Gly2)-Exenatide trifluoroacetate salt (CAS 1678416-78-8)
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