3-Chloro-6-hydrazinyl-[1,2,4]triazolo[4,3-b]pyridazine CAS 33183-96-9
| CAS No. | 33183-96-9 |
| Molecular Formula | C5H5ClN6 |
| Molecular Weight | 184.59 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO manufactures 3-Chloro-6-hydrazinyl-[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.
3-Chloro-6-hydrazinyl-[1,2,4]triazolo[4,3-b]pyridazine (CAS 33183-96-9), molecular formula C5H5ClN6 and molecular weight 184.59 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 3-Chloro-6-hydrazinyl-[1,2,4]triazolo[4,3-b]pyridazine (C5H5ClN6) contains a nitrile group, chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 6.0, corresponding to approximately 6 ring(s) or double-bond equivalent(s). With a molecular weight of 184.59 g/mol, it falls into the medium-molecular-weight range. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
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 | C5H5ClN6 |
| Molecular Weight | 184.59 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 |
| CAS Registry Year (est.) | 1966 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 6 |
Related Chloro Standards
- 4-Chloro-5-fluoro-2,3-dihydro-1H-inden-1-one (CAS 1092347-24-4)
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- 5-Chloro-4-fluoro-2,3-dihydro-1H-inden-1-one (CAS 1260013-11-3)
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- 1-(3-Chloro-2-fluorophenyl)prop-2-en-1-one (CAS 1422510-29-9)
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Recommended Standards
- 3-Chloro-1H-pyrazolo[3,4-d]pyrimidine-4,6-diamine (CAS 637338-77-3)
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- 3-(Chloromethyl)-5-fluorobenzofuran (CAS 252978-98-6)
- 5-Chloro-6-fluoro-2,3-dihydro-1H-inden-1-one (CAS 881190-94-9)
- N-(3-chloro-4-fluorophenyl)-2-(3,4-dihydroquinolin-1(2H)-yl)acetamide (CAS 882079-04-1)
- 2-Amino-N-(5-fluoro-2-methylphenyl)acetamide (CAS 1016876-45-1)
- 5-Chloro-2,3-dihydrothiophene 1,1-dioxide (CAS 56879-02-8)
- 3-Isopropyl-N'-(2,4,5-trimethoxybenzylidene)-1H-pyrazole-5-carbohydrazide (CAS 303107-97-3)
- tert-Butyl 3-(4-cyanophenyl)-1,2-oxaziridine-2-carboxylate (CAS 158807-35-3)
- 4-Amino-5-(piperidin-1-ylmethyl)-4H-1,2,4-triazole-3-thiol (CAS 155219-06-0)
- 7-Hydroxy-2,5-dimethylpyrazolo[1,5-a]pyrimidine-3-carboxylic acid (CAS 1158262-66-8)
- Nicardipine Impurity 47 (CAS 54527-65-0)
- Dapagliflozin Impurity 163 (CAS 527-09-3)
- Smac-N7 Peptide (CAS 401913-57-3)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com