3,4-Dichloro-6-methoxypyridazine CAS 112342-59-3
| CAS No. | 112342-59-3 |
| Molecular Formula | C5H4Cl2N2O |
| Molecular Weight | 179.00 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 179.00 g/mol gives 3,4-Dichloro-6-methoxypyridazine distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
3,4-Dichloro-6-methoxypyridazine (CAS 112342-59-3), molecular formula C5H4Cl2N2O and molecular weight 179.00 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 3,4-Dichloro-6-methoxypyridazine (C5H4Cl2N2O) contains an amide group, a hydroxyl group, an ether linkage, chlorine substitution. 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 179.00 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.
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
CATO manufactures 3,4-Dichloro-6-methoxypyridazine 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 | C5H4Cl2N2O |
| Molecular Weight | 179.00 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor, low volatility) |
| 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.) | 1989 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
Related Dichloro Standards
- 5,6-Dichloro-1-methylpyrimidin-4(1H)-one (CAS 101912-72-5)
- 4,6-Dichloro-2-methoxypyrimidine (CAS 1074-40-4)
- 4,6-Dichloro-3-methoxypyridazine (CAS 112342-58-2)
- 2,4-Dichloro-1-methyl-1H-imidazole-5-carbaldehyde (CAS 1240526-82-2)
- 4,5-Dichloro-2-methoxypyrimidine (CAS 1240601-33-5)
- 3,5-dichloro-2-methoxypyrazine (CAS 1430460-52-8)
- 2,2-Dichloro-1-(1H-pyrazol-1-yl)ethanone (CAS 39671-63-1)
- 2,4-Dichloro-6-methoxypyrimidine (CAS 43212-41-5)
Recommended Standards
- 5-Chloro-1-methylpyrazole-4-carbonyl chloride (CAS 110763-09-2)
- (4,6-Dichloropyrimidin-2-yl)methanol (CAS 1244949-68-5)
- 4-Chloro-1-methyl-1H-pyrazole-3-carbonyl chloride (CAS 1048340-09-5)
- Benzo[c]isothiazol-5-ylboronic acid (CAS 1310404-02-4)
- 1-[4-(aminomethyl)phenyl]-3,3-dimethylurea (CAS 164648-47-9)
- 6-(2-Methoxyethoxy)-1H-purin-2-amine (CAS 105797-60-2)
- Isopropyl 5-((4-chlorophenyl)thio)-1,2,3-thiadiazole-4-carboxylate (CAS 306976-89-6)
- [2-(3-Methyl-1-piperidinyl)-3-pyridinyl]-methanamine (CAS 954261-51-9)
- Methyl 4-ethynyl-3-(trifluoromethyl)benzoate (CAS 1904641-51-5)
- 4-Methyl-N-(1-methyl-1H-pyrazol-3-yl)piperidine-1-carbothioamide (CAS 590351-64-7)
- 2-(1-(Tert-butoxycarbonyl)pyrrolidin-2-yl)propanoic acid (CAS 1784129-64-1)
- 4-((6-Fluorobenzo[d]thiazol-2-yl)oxy)-N-isopropylpiperidine-1-carboxamide (CAS 1325741-61-4)
- 4-Bromo-2-(difluoromethyl)-5-methoxypyridine (CAS 1805315-01-8)
- Liraglutide Impurity 25 (CAS CATO-C4X-199225)
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