6,7-Dimethoxy-2-{[(4-methoxyphenyl)methyl]sulfanyl}-3-(3-methoxypropyl)-3,4-dihydroquinazolin-4-imine CAS 439096-35-2
| CAS No. | 439096-35-2 |
| Molecular Formula | C22H27N3O4S |
| Molecular Weight | 429.53 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 6,7-Dimethoxy-2-{[(4-methoxyphenyl)methyl]sulfanyl}-3-(3-methoxypropyl)-3,4-dihydroquinazolin-4-imine is closely related to a flavonoid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
CATO supplies 6,7-Dimethoxy-2-{[(4-methoxyphenyl)methyl]sulfanyl}-3-(3-methoxypropyl)-3,4-dihydroquinazolin-4-imine (CAS 439096-35-2), a certified reference material (molecular formula C22H27N3O4S, MW 429.53 g/mol) for analytical method development and quality control.
Structurally, 6,7-Dimethoxy-2-{[(4-methoxyphenyl)methyl]sulfanyl}-3-(3-methoxypropyl)-3,4-dihydroquinazolin-4-imine (C22H27N3O4S) contains a flavonoid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 11.0, corresponding to approximately 11 ring(s) or double-bond equivalent(s). With a molecular weight of 429.53 g/mol, it falls into the moderately-high-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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 manufactures 6,7-Dimethoxy-2-{[(4-methoxyphenyl)methyl]sulfanyl}-3-(3-methoxypropyl)-3,4-dihydroquinazolin-4-imine under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C22H27N3O4S |
| Molecular Weight | 429.53 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°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) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
Related Dimethoxy Standards
- 6,7-Dimethoxy-2-{[(3-methoxyphenyl)methyl]sulfanyl}-3-(3-methoxypropyl)-3,4-dihydroquinazolin-4-imine (CAS 439096-41-0)
- 1189941-02-3 3,3'-(2,2'-Dimethoxy[1,1'-biphenyl]-4,4'-diyl)bis[3-(trifluoromethyl)-3H-diazirene] DTXSID40652481 (CAS 1189941-02-3)
- 4,4'-((2,5-Dimethoxy-1,4-phenylene)bis(ethene-2,1-diyl))dibenzoic acid (CAS 67546-17-2)
- 4,5-Dimethoxy-2-(1-(2-methoxy-5-methylphenyl)-5-oxopyrrolidine-3-carboxamido)benzoic acid (CAS 1900999-60-1)
- 18,19-Dimethoxy-7-(thiophen-3-yl)-4,5,9,13-tetraazapentacyclo[11.8.0.0^{3,11}.0^{4,8}.0^{16,21}]henicosa-3(11),5,7,9,16(21),17,19-heptaen-12-one (CAS 685107-13-5)
- 6,7-Dimethoxy-3-phenethyl-2-((pyridin-4-ylmethyl)thio)quinazolin-4(3H)-imine (CAS 691858-07-8)
- 4,4'-((2,5-Dimethoxy-1,4-phenylene)bis(ethyne-2,1-diyl))dibenzoic acid (CAS 1190438-53-9)
- 4,4'-((2,5-Dimethoxy-1,4-phenylene)bis(ethyne-2,1-diyl))bis(2-hydroxybenzaldehyde) (CAS 791068-98-9)
Recommended Standards
- N-((2-(2,3-Dimethylphenyl)benzo[d]oxazol-5-yl)carbamothioyl)-3,4-dimethylbenzamide (CAS 590396-69-3)
- 4-[(Z)-[(Naphthalen-1-yl)methylidene]amino]phenyl 2,4,6-trimethylbenzene-1-sulfonate (CAS 329777-86-8)
- N-(2-(5-(2-Ethoxyphenyl)-1-isobutyryl-4,5-dihydro-1H-pyrazol-3-yl)phenyl)methanesulfonamide (CAS 923227-69-4)
- 4-(4-(Benzyloxy)phenyl)-6-methyl-N-phenyl-2-thioxo-1,2,3,4-tetrahydropyrimidine-5-carboxamide (CAS 341965-97-7)
- (2,5-Dimethyltetrahydro-2H-pyran-2-yl)methanol (CAS 54004-46-5)
- (Z)-1-(4-chlorophenyl)-4,4-dimethyl-2-(1H-1,2,4-triazol-1-yl)pent-1-en-3-ol (CAS 76713-90-1)
- N6-Carbobenzyloxy-N2,N2-bis(carboxymethyl)lysine (CAS 209052-01-7)
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- 3-(Ethoxycarbonyl)-1-(2,3,5-tri-O-acetyl-β-D-ribofuranosyl)-pyridinium Triflate (CAS 936945-09-4)
- 6-(Azepan-1-yl)-5-methylnicotinaldehyde (CAS 1355225-15-8)
- 6-(Methylthio)chroman-4-one (CAS 18385-67-6)
- 3-Amino-2,4-dichlorophenol (CAS 61693-42-3)
- Tirzepatide Impurity 37 (CAS CATO-C4X-324037)
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