3,6-dichloro-[1,2,4]triazolo[4,3-b]pyridazine CAS 33050-38-3
| CAS No. | 33050-38-3 |
| Molecular Formula | C5H10Cl2N4 |
| Molecular Weight | 197.07 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
3,6-dichloro-[1,2,4]triazolo[4,3-b]pyridazine (CAS 33050-38-3), molecular formula C5H10Cl2N4 and molecular weight 197.07 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 3,6-dichloro-[1,2,4]triazolo[4,3-b]pyridazine (C5H10Cl2N4) contains a nitrile group, chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 2.0, corresponding to approximately 2 ring(s) or double-bond equivalent(s). With a molecular weight of 197.07 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.
CATO manufactures 3,6-dichloro-[1,2,4]triazolo[4,3-b]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 | C5H10Cl2N4 |
| Molecular Weight | 197.07 g/mol |
| 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 | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 2.0 |
| CAS Registry Year (est.) | 1966 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 4 |
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Recommended Standards
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- N-(2-((2-(dimethylamino)ethyl)(methyl)amino)-4-methoxyphenyl)acrylamide (CAS 1810048-27-1)
- (4-Isothiocyanatophenyl)(2-methoxyphenyl)amine (CAS 915919-57-2)
- 1-(tert-Butyl)-3-(trifluoromethyl)-1H-pyrazol-5-ol (CAS 122431-41-8)
- 2,4-Difluoro-3-(trifluoromethoxy)benzonitrile (CAS 1806314-81-7)
- 2-Amino-7,9-dimethyl-8,9-dihydro-1H-purin-6(7H)-one (CAS 496861-01-9)
- 4-Cyclopropoxy-2-methoxybenzamide (CAS 1243320-28-6)
- 302798-54-5 (Leu31,Pro34)-Neuropeptide Y (13-36) (human, rat) MFCD00672463 (CAS 302798-54-5)
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