6-Chloro-2-phenyl-[1,2,4]triazolo[1,5-b]pyridazine CAS 39931-63-0
| CAS No. | 39931-63-0 |
| Molecular Formula | C11H7ClN4 |
| Molecular Weight | 230.65 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C11H7ClN4, 6-Chloro-2-phenyl-[1,2,4]triazolo[1,5-b]pyridazine contains a nitrogen-containing heterocyclic scaffold, a nitrile group, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 230.65 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
CATO supplies 6-Chloro-2-phenyl-[1,2,4]triazolo[1,5-b]pyridazine (CAS 39931-63-0), a certified reference material (molecular formula C11H7ClN4, MW 230.65 g/mol) for analytical method development and quality control.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), 6-Chloro-2-phenyl-[1,2,4]triazolo[1,5-b]pyridazine meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C11H7ClN4 |
| Molecular Weight | 230.65 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) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1968 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 4 |
Related Chloro Standards
- 2-Chloro-4-(1h-pyrazol-1-yl)quinazoline (CAS 1017665-81-4)
- 7-Chloro-3-phenyl-[1,2,4]triazolo[4,3-c]pyrimidine (CAS 1094425-37-2)
- 4-Chloro-2-phenyl-2H-pyrazolo[3,4-d]pyrimidine (CAS 1100365-43-2)
- 6-Chloro-2-(pyridin-3-yl)imidazo[1,2-b]pyridazine (CAS 1125406-92-9)
- 7-Chloro-2-phenyl-2H-pyrazolo[3,4-d]pyridazine (CAS 1181458-79-6)
- 7-Chloro-3-phenyl-1H-pyrazolo[4,3-d]pyrimidine (CAS 1211588-84-9)
- Methyl 3-(4-chloro-1-ethyl-1H-pyrazol-3-yl)-3-oxopropanoate (CAS 1229623-87-3)
- 2-chloro-N-(2-methoxyethyl)-6-nitroaniline (CAS 1248015-82-8)
Recommended Standards
- 6-(4-Chlorophenyl)-2-oxo-1,2-dihydropyridine-3-carbonitrile (CAS 23148-51-8)
- 6-Chloro-3-phenyl[1,2,4]triazolo[4,3-b]pyridazine (CAS 7190-80-9)
- 6-(4-Chlorophenoxy)nicotinonitrile (CAS 99902-70-2)
- 6-Chloro-3-phenyl-1H-pyrazolo[3,4-d]pyrimidine (CAS 871254-60-3)
- (6-(Ethylthio)pyridin-3-yl)boronic acid (CAS 1217501-38-6)
- 4-Bromo-6-fluoro-2-methylpyrimidine (CAS 1805555-14-9)
- (S,R)-In-Pyox (CAS 205647-96-7)
- tert-Butyl 3-bromo-4-hydroxypiperidine-1-carboxylate (CAS 199110-63-9)
- ((3-Benzamidophenyl)azanediyl)bis(ethane-2,1-diyl) diacetate (CAS 43051-43-0)
- 6,7-Dimethoxy-2-oxo-1,2-dihydroquinoline-3-carbonitrile (CAS 42923-95-5)
- 2-Amino-1-(4-methoxythiophen-2-yl)ethan-1-one (CAS 1520772-55-7)
- 6-Amino-4-(difluoromethyl)-5-methoxynicotinaldehyde (CAS 1805981-15-0)
- 3-Nitro-2-((pyrrolidin-3-ylmethyl)thio)pyridine hydrochloride (CAS 1417794-53-6)
- Semaglutide Impurity 143 (CAS CATO-C4X-2226143)
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