2-(Pyridin-2-yl)-3-(p-tolyl)quinazoline-4(3H)-thione CAS 61351-66-4
| CAS No. | 61351-66-4 |
| Molecular Formula | C20H15N3S |
| Molecular Weight | 329.42 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 2-(Pyridin-2-yl)-3-(p-tolyl)quinazoline-4(3H)-thione (CAS 61351-66-4), a certified reference material (molecular formula C20H15N3S, MW 329.42 g/mol) for analytical method development and quality control.
Based on its molecular formula C20H15N3S, 2-(Pyridin-2-yl)-3-(p-tolyl)quinazoline-4(3H)-thione contains a nitrogen-containing heterocyclic scaffold, a nitrile group, sulfur-containing functionality; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 329.42 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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).
As a certified reference material (CRM), 2-(Pyridin-2-yl)-3-(p-tolyl)quinazoline-4(3H)-thione 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 | C20H15N3S |
| Molecular Weight | 329.42 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 15.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1974 |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
Related Pyridin Standards
- 1-Benzyl-4-(pyridin-2-ylsulfanyl)phthalazine (CAS 338404-18-5)
- 2-(Pyridin-2-yl)-3-(m-tolyl)quinazoline-4(3H)-thione (CAS 61351-65-3)
- 2-(Pyridin-2-yl)-3-(o-tolyl)quinazoline-4(3H)-thione (CAS 61351-64-2)
- 2-(Pyridin-4-yl)-3-(m-tolyl)quinazoline-4(3H)-thione (CAS 61351-69-7)
- 2-(Pyridin-4-yl)-3-(o-tolyl)quinazoline-4(3H)-thione (CAS 61351-68-6)
- 2-(Pyridin-4-yl)-3-(p-tolyl)quinazoline-4(3H)-thione (CAS 61351-70-0)
- Ethyl 2-((3-(pyridin-2-yl)-[1,2,4]triazolo[4,3-b]pyridazin-6-yl)thio)propanoate (CAS 868968-20-1)
- Methyl 2-((3-(pyridin-3-yl)-[1,2,4]triazolo[4,3-b]pyridazin-6-yl)thio)butanoate (CAS 868969-32-8)
Recommended Standards
- 2-(Methylthio)-N-(4-morpholinophenyl)nicotinamide (CAS 796119-24-9)
- 2-(Methylthio)-N-(2-morpholinophenyl)nicotinamide (CAS 761417-63-4)
- 2-Ethyl-3-methoxy-N-(2-(thiophen-2-yl)ethyl)-2H-indazole-6-carboxamide (CAS 919108-77-3)
- 2-(5-Methyl-1-phenyl-1H-pyrazol-4-yl)-N-{[(prop-2-en-1-yl)carbamothioyl]amino}acetamide (CAS 318238-16-3)
- [({[(2-chloro-3-phenylprop-2-enylidene)amino]oxy}carbonyl)amino](2,6-difluorophenyl)methanone (CAS 680580-31-8)
- 1-(5-((Tert-butyldimethylsilyl)oxy)-7-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-indol-1-yl)-2,2-dimethylpropan-1-one (CAS 2390149-15-0)
- 2,2'-(Pyridin-2-ylazanediyl)bis(ethan-1-ol) (CAS 4439-34-3)
- 3-(9H-Carbazol-9-yl)propan-1-amine (CAS 23690-10-0)
- [1-(Cyclopropylmethyl)piperidin-4-yl]methanol (CAS 145021-95-0)
- Pesticide Mix 19 (CAS CATO-MCPD900119-TH)
- 2-(1H-Benzimidazol-2-yl)ethanamine 2-(1H-Benzimidazol-2-yl)ethylamine 4499-07-4 NSC67437 (CAS 4499-07-4)
- 3-Isoxazol-4-yl-propan-1-ol (CAS 10421-09-7)
- 1-({[(3|A,8xi,9xi,14xi)-3-hydroxycholest-5-en-3-yl]amino}oxy)-2-(2,4,6-triiodobenzyl)butan-1-one 884-36-6 KST-1B9022 (CAS 884-36-6)
- Des-Ser34-Gly33Tirzepatide (CAS CATO-CPTD788941)
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