6-Methoxy-[1,2,4]triazolo[4,3-b]pyridazin-3(2H)-one CAS 33050-33-8
| CAS No. | 33050-33-8 |
| Molecular Formula | C6H6N4O2 |
| Molecular Weight | 166.14 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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 supplies 6-Methoxy-[1,2,4]triazolo[4,3-b]pyridazin-3(2H)-one (CAS 33050-33-8), a certified reference material (molecular formula C6H6N4O2, MW 166.14 g/mol) for analytical method development and quality control.
Based on its molecular formula C6H6N4O2, 6-Methoxy-[1,2,4]triazolo[4,3-b]pyridazin-3(2H)-one contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 166.14 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.
As a certified reference material (CRM), 6-Methoxy-[1,2,4]triazolo[4,3-b]pyridazin-3(2H)-one 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 | C6H6N4O2 |
| Molecular Weight | 166.14 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (faint amine-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1966 |
| Nitrogen Atoms | 4 |
Related Methoxy Standards
- 3-Methoxy-1H-pyrazolo[3,4-d]pyrimidin-4(5H)-one (CAS 111375-28-1)
- 2-Methoxy-3H-purin-6(7H)-one (CAS 906514-42-9)
- 7-Methoxy-3H-[1,2,3]triazolo[4,5-d]pyrimidin-5-amine (CAS 6298-54-0)
- 6-Methoxy-2,3-dihydrobenzofuran-3-ol (CAS 1340253-23-7)
- 2-Methoxy-3-methylbenzoic Acid (CAS 26507-91-5)
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Recommended Standards
- 6-Hydroxy-3-methyl-1H-pyrazolo[4,3-d]pyrimidin-7(6H)-one (CAS 28668-25-9)
- 6-Methyl-7,9-dihydro-2H-purine-2,8(3H)-dione (CAS 859954-66-8)
- 6-Hydrazinyl-1h,4h,5h-pyrazolo[3,4-d]pyrimidin-4-one (CAS 98021-51-3)
- 6-Methylimidazo[1,2-a][1,3,5]triazine-2,4(1H,3H)-dione (CAS 899822-41-4)
- (S)-3-(piperidin-2-yl)propanoic acid (CAS 2580093-79-2)
- 1-Methyl-1H-pyrrole-3-carboxamide (CAS 175544-08-8)
- 3-(3-Fluoro-2-methylphenyl)-5-nitrobenzoic acid (CAS 1261962-57-5)
- Ethyl 1-(3-oxobutanoyl)piperidine-4-carboxylate (CAS 331713-79-2)
- 4',6-Difluoro-2'-methyl-[1,1'-biphenyl]-3-carbaldehyde (CAS 1184584-08-4)
- 3-((((9H-fluoren-9-yl)methoxy)carbonyl)amino)piperidine-3-carboxylic acid hydrochloride (CAS 368866-20-0)
- (3E,5E)-3,5,7-Octatrienoic Acid Ethyl Ester (CAS 1195558-07-6)
- Ethyl 4-((2,5-dichlorophenyl)thio)-2-(methylthio)pyrimidine-5-carboxylate (CAS 339019-47-5)
- 1-(tert-Butyl) 4-methyl 4-(cyanomethyl)piperidine-1,4-dicarboxylate (CAS 1350475-42-1)
- Glucagon receptor antagonist I (CAS 438618-32-7)
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