3-Chloro-6-methoxy-4-methylpyridazine CAS 89466-36-4
| CAS No. | 89466-36-4 |
| Molecular Formula | C6H7ClN2O |
| Molecular Weight | 158.59 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
3-Chloro-6-methoxy-4-methylpyridazine (CAS 89466-36-4) is a high-purity analytical reference standard with the molecular formula C6H7ClN2O and a molecular weight of 158.59 g/mol.
Structurally, 3-Chloro-6-methoxy-4-methylpyridazine (C6H7ClN2O) contains an amide group, a hydroxyl group, an ether linkage, chlorine substitution, an aromatic ring system. The molecule exhibits a degree of unsaturation (DBE) of 4.0, corresponding to approximately 4 ring(s) or double-bond equivalent(s). With a molecular weight of 158.59 g/mol, it falls into the medium-molecular-weight range. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
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-Chloro-6-methoxy-4-methylpyridazine 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 | C6H7ClN2O |
| Molecular Weight | 158.59 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.) | 1982 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
Related Chloro Standards
- 1-(4-Chloro-1-methyl-1H-pyrazol-3-yl)ethan-1-one (CAS 1004194-08-4)
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Recommended Standards
- 3-Chloro-6-hydrazono-4-methyl-1,6-dihydropyridazine (CAS 66530-56-1)
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- 3-Chloro-6-(1-methylhydrazinyl)pyridazine (CAS 76953-33-8)
- 3-Chloro-6-methylpyridazine-4,5-diamine (CAS 28682-88-4)
- Methyl 2-methyl-3-{[(oxolan-2-yl)methyl]amino}propanoate (CAS 1154153-57-7)
- H-p-Me-Phe-OH (CAS 1991-87-3)
- 2-Amino-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine-3-sulfonamide (CAS 1086063-51-5)
- Lansoprazole Impurity 35 (CAS 1797131-12-4)
- 9-Phenylphenanthrene, 97% (CAS 844-20-2)
- 3-Amino-N-cyclohexyl-N-methylpropanamidehydrochloride (CAS 1219971-79-5)
- 4-(5-Chloro-2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzyl)morpholine (CAS 2096329-91-6)
- Tert-butyl (1R,5R)-3-benzyl-6-oxo-3,8-diazabicyclo[3.2.1]octane-8-carboxylate (CAS 2758756-41-9)
- 2,5-Dichloro-4-fluoroaniline (CAS 2729-37-5)
- Peptide 46 (H-4054.0500) (CAS 192122-40-0)
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