6-Chloro-3-(thiophen-3-yl)-[1,2,4]triazolo[4,3-b]pyridazine CAS 1152551-96-6
| CAS No. | 1152551-96-6 |
| Molecular Formula | C9H5ClN4S |
| Molecular Weight | 236.68 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, 6-Chloro-3-(thiophen-3-yl)-[1,2,4]triazolo[4,3-b]pyridazine (C9H5ClN4S) contains a nitrogen-containing heterocyclic scaffold, a nitrile group, sulfur-containing functionality, chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 9.0, corresponding to approximately 9 ring(s) or double-bond equivalent(s). With a molecular weight of 236.68 g/mol, it falls into the medium-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
6-Chloro-3-(thiophen-3-yl)-[1,2,4]triazolo[4,3-b]pyridazine (CAS 1152551-96-6), molecular formula C9H5ClN4S and molecular weight 236.68 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 6-Chloro-3-(thiophen-3-yl)-[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 | C9H5ClN4S |
| Molecular Weight | 236.68 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 | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1989 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 4 |
| Sulfur Atoms | 1 |
Related Chloro Standards
- 6-Chloro-3-(thiophen-2-yl)-[1,2,4]triazolo[4,3-b]pyridazine (CAS 1032705-56-8)
- 7-chloro-[1,3]thiazolo[4,5-b]quinoxalin-2-amine (CAS 120317-27-3)
- 5-Chloro-4-ethoxypyridine-3-sulfonamide (CAS 1352482-93-9)
- 5-Chloro-N,N-dimethyl-4-oxo-1,4-dihydropyridine-3-sulfonamide (CAS 1352515-02-6)
- 5-Chloro-4-(dimethylamino)pyridine-3-sulfonic acid (CAS 1352540-81-8)
- 4-Chloro-6-ethoxy-2-(methylsulfonyl)pyrimidine (CAS 142596-33-6)
- 2-Chloro-N-[2-(2,4-dioxo-thiazolidin-3-yl)-ethyl]-acetamide (CAS 565171-03-1)
- 4-Chloro-5-(furan-2-yl)thieno[2,3-d]pyrimidine (CAS 256507-01-4)
Recommended Standards
- 1-Methyl-5-(methylcarbamoyl)-1H-pyrrole-3-sulfonyl chloride (CAS 1050910-45-6)
- 2-(5-Methoxypyrazin-2-yl)ethane-1-sulfonyl chloride (CAS 1196157-00-2)
- N-(2-chloro-6-fluorobenzyl)pyridin-2-amine (CAS 942893-60-9)
- 6-(5-chlorothiophen-2-yl)-2-hydroxypyridine-3-carbonitrile (CAS 1247521-01-2)
- tert-butyl N-(2-cyclopentyl-2-cyclopropanesulfonamidoethyl)carbamate (CAS 1803608-80-1)
- 3-Fluoro-2-((tetrahydrofuran-3-yl)oxy)aniline (CAS 917909-42-3)
- 2-Chloro-N-cyclopentylpyridin-4-amine (CAS 1209457-87-3)
- Bevantolol Impurity 20 (CAS CATO-C4X-241120)
- 5-(3-Bromo-4-hydroxybenzylidene)-3-(4-methoxyphenyl)-2-thioxothiazolidin-4-one (CAS 330203-01-5)
- Amino-PEG4-benzyl ester (CAS 1351397-21-1)
- 1-(2-(4-Methylpyridin-2-yl)pyrrolidin-1-yl)ethanone (CAS 1352526-93-2)
- N-(tert-Butyl)-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)thiophene-2-sulfonamide (CAS 951233-59-3)
- 3-(Isopropylthio)-5-phenyl-4H-1,2,4-triazol-4-amine (CAS 860609-07-0)
- Semaglutide Impurity 190 (CAS CATO-C4X-2226190)
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