4-(2,3-Dimethylphenyl)-1-sulfanyl-4h,5h-[1,2,4]triazolo[4,3-a]quinazolin-5-one CAS 85772-41-4
| CAS No. | 85772-41-4 |
| Molecular Formula | C17H14N4OS |
| Molecular Weight | 322.38 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 4-(2,3-Dimethylphenyl)-1-sulfanyl-4h,5h-[1,2,4]triazolo[4,3-a]quinazolin-5-one (CAS 85772-41-4), a certified reference material (molecular formula C17H14N4OS, MW 322.38 g/mol) for analytical method development and quality control.
4-(2,3-Dimethylphenyl)-1-sulfanyl-4h,5h-[1,2,4]triazolo[4,3-a]quinazolin-5-one (C17H14N4OS) contains a steroid core, an amide group, sulfur-containing functionality, a hydroxyl group, an ether linkage. Its physicochemical properties are representative of its class; these physicochemical properties determine the optimal preparation and storage of its standard solutions. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
As a certified reference material (CRM), 4-(2,3-Dimethylphenyl)-1-sulfanyl-4h,5h-[1,2,4]triazolo[4,3-a]quinazolin-5-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 | C17H14N4OS |
| Molecular Weight | 322.38 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) | 13.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1981 |
| Nitrogen Atoms | 4 |
| Sulfur Atoms | 1 |
Related Dimethylphenyl Standards
- 2,5-Dimethylphenyl 2,5-dimethoxybenzenesulfonate (CAS 433695-44-4)
- 4-(2,4-Dimethylphenyl)-1-sulfanyl-4h,5h-[1,2,4]triazolo[4,3-a]quinazolin-5-one (CAS 85772-36-7)
- 4-(2,6-Dimethylphenyl)-1-sulfanyl-4h,5h-[1,2,4]triazolo[4,3-a]quinazolin-5-one (CAS 568570-14-9)
- Dimethylphenyl Actyl Biotin (CAS 40222-71-7)
- N-(2,5-Dimethylphenyl)-2-(1,3-dioxoisoindolin-2-yl)propanamide (CAS 313267-31-1)
- n-(3,4-Dimethylphenyl)-3-(1,3-dioxoisoindolin-2-yl)propanamide (CAS 313267-27-5)
- (5-((3,5-Dimethylphenyl)sulfonyl)-4-isopropyl-1-methyl-1H-imidazol-2-yl)methanol (CAS 178980-00-2)
- (2,4-Dimethylphenyl)(4-((4-methylpiperazin-1-yl)methyl)phenyl)methanone (CAS 898783-71-6)
Recommended Standards
- 4-((5-(Thiophen-3-yl)-1H-pyrrolo[2,3-b]pyridin-3-yl)methyl)benzene-1,2-diol (CAS 858117-52-9)
- 3-Amino-N-(4-ethoxy-phenyl)-4-methoxy-benzenesulfonamide (CAS 379255-09-1)
- 4-(2,5-Dioxo-2,5-dihydro-1H-pyrrol-1-yl)-N-pentylbenzenesulfonamide (CAS 61633-13-4)
- 3-(4-Methoxyphenyl)-6-phenyl-7H-[1,2,4]triazolo[3,4-b][1,3,4]thiadiazine (CAS 85106-42-9)
- 7-(Trifluoromethyl)-2,3,4,5-tetrahydro-1H-benzo[b]azepin-5-amine (CAS 886367-60-8)
- 3-((1,4,5,6-Tetrahydropyrimidin-2-yl)thio)propan-1-amine hydrobromide (CAS 435345-26-9)
- Formoterol fumarate (CAS 43229-80-7)
- N-Benzyl-N-ethyl-3-piperidinamine dihydrochloride (CAS 1220019-85-1)
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- Semaglutide impurity 34 (CAS CATO-C4X-222634)
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