8,9-Dimethoxy-5-((2-methylbenzyl)thio)imidazo[1,2-c]quinazolin-2(3H)-one CAS 439109-19-0
| CAS No. | 439109-19-0 |
| Molecular Formula | C20H19N3O3S |
| Molecular Weight | 381.45 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 8,9-Dimethoxy-5-((2-methylbenzyl)thio)imidazo[1,2-c]quinazolin-2(3H)-one (CAS 439109-19-0), a certified reference material (molecular formula C20H19N3O3S, MW 381.45 g/mol) for analytical method development and quality control.
8,9-Dimethoxy-5-((2-methylbenzyl)thio)imidazo[1,2-c]quinazolin-2(3H)-one (C20H19N3O3S) contains a steroid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage. It is notably hygroscopic, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
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.
As a certified reference material (CRM), 8,9-Dimethoxy-5-((2-methylbenzyl)thio)imidazo[1,2-c]quinazolin-2(3H)-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 | C20H19N3O3S |
| Molecular Weight | 381.45 g/mol |
| 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) | 13.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
Related Dimethoxy Standards
- 8,9-Dimethoxy-5-((4-methylbenzyl)thio)imidazo[1,2-c]quinazolin-2(3H)-one (CAS 672949-21-2)
- 8,9-Dimethoxy-5-{[(3-methylphenyl)methyl]sulfanyl}-2H,3H-imidazo[1,2-c]quinazolin-2-one (CAS 672949-25-6)
- (3,4-Dimethoxy-5-(methylselanyl)phenyl)(3-hydroxy-4-methoxyphenyl)methanone (CAS 2123478-00-0)
- 8,9-Dimethoxy-2-methyl-5-((4-methylbenzyl)thio)-[1,2,4]triazolo[1,5-c]quinazoline (CAS 860650-26-6)
- 1-Benzyl-4-[(5,6-dimethoxy-1-oxoindan-2-ylidene)methyl]piperidine-13C3 (CAS 1185239-87-5)
- 6,7-Dimethoxy-2-((4-phenylpiperazin-1-yl)methyl)quinazolin-4(3H)-one (CAS 763096-21-5)
- 5-((3,4-Dimethoxy-5-(methylselanyl)phenyl)(hydroxy)methyl)-2-methoxyphenol (CAS 2123477-91-6)
- 5,7-Dimethoxy-2-(naphthalen-2-yl)-4-(trifluoromethyl)quinoline (CAS 853310-83-5)
Recommended Standards
- 6-(Isoquinolin-5-yl)-N-(thiazol-2-yl)-1-naphthamide (CAS 919363-05-6)
- 4-Methyl-3-(N-(pyridin-2-yl)sulfamoyl)-N-(p-tolyl)benzamide (CAS 5211-15-4)
- 3-Acetamidophenyl 5-(1,2,3-thiadiazol-4-yl)thiophene-2-sulfonate (CAS 338400-24-1)
- Bensulide Impurity 1 (CAS 20243-81-6)
- 5,6-Difluoropyrazine-2,3-dicarbonitrile (CAS 887404-02-6)
- 923032-38-6 BAY 869766 R enantiomer;RDEA119 R enantiomer;RDEA-119 R enantiomer;BAY 86-9766 R enantiomer (CAS 923032-38-6)
- 3-Acetyl-5-hydroxy-4,5-dimethyl-1-propyl-1H-pyrrol-2(5H)-one (CAS 186379-46-4)
- 4-Bromo-n-(2-((2-methoxyethyl)amino)-2-oxoethyl)benzamide (CAS 923154-52-3)
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- 3-acetylbicyclo[1.1.1]pentane-1-carboxylic acid (CAS 156329-75-8)
- N-(4-bromophenyl)-4-fluorobenzamide (CAS 671-15-8)
- (4-Ethoxy-3-fluorophenyl)methanamine (CAS 1037164-60-5)
- 3-(Trimethylsilanyl)propionic Acid 2,5-Dioxopyrrolidin-1-yl Ester (CAS 1445781-54-3)
- Peptide 6A (H-6905.0005) (CAS 73549-32-3)
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