6-Chloro-3-ethyl-[1,2,4]triazolo[4,3-b]pyridazine CAS 1144442-91-0
| CAS No. | 1144442-91-0 |
| Molecular Formula | C7H7ClN4 |
| Molecular Weight | 182.61 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO manufactures 6-Chloro-3-ethyl-[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.
6-Chloro-3-ethyl-[1,2,4]triazolo[4,3-b]pyridazine (CAS 1144442-91-0), molecular formula C7H7ClN4 and molecular weight 182.61 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C7H7ClN4, 6-Chloro-3-ethyl-[1,2,4]triazolo[4,3-b]pyridazine contains a nitrile group, chlorine substitution, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 182.61 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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.
Physical & Chemical Properties
| Molecular Formula | C7H7ClN4 |
| Molecular Weight | 182.61 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) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1989 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 4 |
Related Chloro Standards
- 4-Chloro-7-methoxy-1H-indazole (CAS 1000341-90-1)
- 4-Chloro-1'-methyl-1h,1'h-3,4'-bipyrazole (CAS 1006476-14-7)
- 7-chloro-6-methoxy-1H-indazole (CAS 1019332-48-9)
- (8-Chloro-[1,2,4]triazolo[4,3-a]pyridin-3-yl)methanamine (CAS 1020035-28-2)
- (5-Chloro-1H-indazol-3-yl)methanol (CAS 102735-90-0)
- 6-chloro-1,3-dimethyl-1H-pyrazolo[3,4-d]pyrimidine (CAS 1030377-53-7)
- 3-Chloro-5,7-dimethyl-[1,2,4]triazolo[4,3-a]pyrimidine (CAS 1049138-84-2)
- 6-Chloro-1-methyl-1H-pyrazolo[3,4-b]pyridin-3-amine (CAS 1076197-93-7)
Recommended Standards
- 3-(Benzyloxy)-3-chloro-3H-diazirine (CAS 113711-60-7)
- 5-(Chloromethyl)-1H-benzo[d]imidazol-2(3H)-one (CAS 115576-98-2)
- 7-Chloro-5-methyl-1H-pyrazolo[4,3-b]pyridin-3-amine (CAS 113140-14-0)
- 2-(Chloromethyl)benzo[d]oxazol-4-amine (CAS 1159528-30-9)
- 5F-AMB (CAS 1801552-03-3)
- 1-Phenyl-5-(thiophen-2-yl)-1H-pyrazole (CAS 478395-52-7)
- Sodium disulfitoaurate(I) - (CAS 19153-98-1)
- Methyl 6-[3-chloro-5-(trifluoromethyl)pyridin-2-yl]-2-{[(4-chlorophenyl)carbamoyl]amino}-4H,5H,6H,7H-thieno[2,3-c]pyridine-3-carboxylate (CAS 321430-32-4)
- Ro 46-8443 (CAS 175556-12-4)
- 2-(4-Oxo-5-(3-phenylallylidene)-2-thioxothiazolidin-3-yl)acetic acid (CAS 82158-77-8)
- 1-(5-Ethoxy-2-fluorophenyl)ethanol (CAS 1554353-36-4)
- (S)-2-(1-Isopropylpyrrolidin-2-yl)ethanamine (CAS 681247-82-5)
- 4-Hydroxy-1,2,2,6,6-pentamethylpiperidine (CAS 2403-89-6)
- Semaglutide-d8 Tetratrifluoroacetate (CAS CATO-C4X-222617)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com