3-Chloro-5,6,7,8-tetrahydropyrido[4,3-c]pyridazine CAS 45882-63-1
| CAS No. | 45882-63-1 |
| Molecular Formula | C7H8ClN3 |
| Molecular Weight | 169.61 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
3-Chloro-5,6,7,8-tetrahydropyrido[4,3-c]pyridazine (C7H8ClN3) contains a nitrile group, chlorine substitution, an aromatic ring system. Halogen substitution raises its density and boiling point; these physicochemical properties determine the optimal preparation and storage of its standard solutions. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
3-Chloro-5,6,7,8-tetrahydropyrido[4,3-c]pyridazine (CAS 45882-63-1), molecular formula C7H8ClN3 and molecular weight 169.61 g/mol, is a CATO reference standard with documented purity and traceability.
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-Chloro-5,6,7,8-tetrahydropyrido[4,3-c]pyridazine 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 | C7H8ClN3 |
| Molecular Weight | 169.61 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) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1970 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 3 |
Related Chloro Standards
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Recommended Standards
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- 5-(aminomethyl)-4-ethyl-4H-1,2,4-triazole-3-thiol hydrochloride (CAS 1258649-60-3)
- 2-Ethyl-4,6-dimethyl-phenylamine (CAS 40813-98-7)
- Travoprost Impurity 19（15(S)-Fluprostenol） (CAS 54276-24-3)
- 5H-pyrido[4,3-b]indol-8-amine (CAS 79642-24-3)
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- 2-(4-Methylpyridin-2-yl)isoindoline-1,3-dione (CAS 106204-03-9)
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