6,7-Dimethoxy-3-(3-methoxypropyl)-2-(phenethylthio)quinazolin-4(3H)-imine CAS 477848-77-4
| CAS No. | 477848-77-4 |
| Molecular Formula | C22H27N3O3S |
| Molecular Weight | 413.53 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 6,7-Dimethoxy-3-(3-methoxypropyl)-2-(phenethylthio)quinazolin-4(3H)-imine 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.
CATO supplies 6,7-Dimethoxy-3-(3-methoxypropyl)-2-(phenethylthio)quinazolin-4(3H)-imine (CAS 477848-77-4), a certified reference material (molecular formula C22H27N3O3S, MW 413.53 g/mol) for analytical method development and quality control.
Structurally, 6,7-Dimethoxy-3-(3-methoxypropyl)-2-(phenethylthio)quinazolin-4(3H)-imine (C22H27N3O3S) contains a steroid 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 413.53 g/mol, it falls into the moderately-high-molecular-weight range. 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.
Physical & Chemical Properties
| Molecular Formula | C22H27N3O3S |
| Molecular Weight | 413.53 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-3-(4-methoxybenzyl)-2-((oxiran-2-ylmethyl)thio)quinazolin-4(3H)-imine (CAS 477848-76-3)
- 6,7-Dimethoxy-3-(4-methoxy-6-methyl-5,6,7,8-tetrahydro-[1,3]dioxolo[4,5-g]isoquinolin-5-yl)-3h-isobenzofuran-1-one (CAS 10421-76-8)
- 4,4''-Dimethoxy-5'-(4-methoxyphenyl)-1,1':3',1''-terphenyl (CAS 7509-20-8)
- Ethyl 8,9-dimethoxy-2-methyl-1-(morpholinomethyl)-5,6-dihydropyrrolo[2,1-a]isoquinoline-3-carboxylate (CAS 20353-60-0)
- 2-(3,4-Dimethoxy-phenyl)-5-[[2-(3,4-dimethoxyphenyl)-ethyl]methyl-amino]-pentanenitrile (CAS 95748-23-5)
- (6,7-Dimethoxy-1-phenyl-1,2,3,4-tetrahydroisoquinoline-2-carbonyl)-L-valine (CAS 957023-82-4)
- 6,8-Dimethoxy-4-methyl-1-(4-phenoxyphenyl)-2,3-dihydro-1H-pyrrolo[3,2-c]quinoline (CAS 860784-79-8)
- 6,7-Dimethoxy-2-methyl-1-(2,3,4-trichlorophenethyl)-1,2,3,4-tetrahydroisoquinoline (CAS 63937-61-1)
Recommended Standards
- 2′-[Bis(1-methylethyl)phosphino]-N,N-dimethyl[1,1′-binaphthalen]-2-amine (CAS 320381-23-5)
- Ethacizine (CAS 33414-33-4)
- 1-[1-(Benzenesulfonyl)piperidine-4-carbonyl]-4-phenylpiperazine (CAS 478041-49-5)
- N-(4-((Methylthio)methyl)thiazol-2-yl)-4-(morpholinosulfonyl)benzamide (CAS 942009-72-5)
- 3475-74-9 N-(4-Dimethylamino-3,5-dinitrophenyl)maleimide 1-(4-(Dimethylamino)-3,5-dinitrophenyl)-1H-pyrrole-2,5-dione Maleimide, N-(4-(dimethylamino)-3,5-dinitrophenyl)- 1H-Pyrrole-2,5-dione, 1-(4-(dimethylamino)-3,5-dinitrophenyl)- 4-21-00-04641 (Beilstein Handbook Reference) AI3-62630 BRN 0333082 N-(4-Dimethylamino-3,5-dinitrophenyl)-maleimide EINECS 222-449-3 NSC 90450 (CAS 3475-74-9)
- Methyl (2R)-2-{[(tert-butoxy)carbonyl]amino}-3-[(triphenylmethyl)sulfanyl]propanoate (CAS 158022-23-2)
- (R)-2-Acetamido-3-((2-amino-4-(5-nitrofuran-2-yl)thiazol-5-yl)thio)propanoic acid (CAS 113790-27-5)
- (2R,4S)-Itraconazole (Mixture of Diastereomers) (CAS 873066-43-4)
- 6160-80-1 4-methylumbelliferone beta-D-glucuronide 4-MUG 4-Methylumbelliferyl glucuronide 4-methyl-2-oxo-2H-1-benzopyran-7-yl beta-D-glucopyranosiduronic acid 4-Methylumbelliferyl beta-glucuronide 4-Methylumbelliferone glucuronide CHEBI:1904 (CAS 6160-80-1)
- 3-Acetamido-4-methyl-2-nitrobenzoic acid (CAS 7356-52-7)
- 15701-24-3 Erbium, isotope of mass 170 170Er Erbium-170 (CAS 15701-24-3)
- Ethyl 8-(4-methoxyphenyl)-8-oxooctanoate (CAS 362669-41-8)
- Ethyl 3-aminofuran-2-carboxylate (CAS 1196152-35-8)
- Semaglutide impurity 25 (CAS CATO-C4X-222625)
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