2-((4-Imino-6,7-dimethoxy-3-(3-methoxypropyl)-3,4-dihydroquinazolin-2-yl)thio)acetic acid CAS 439096-37-4
| CAS No. | 439096-37-4 |
| Molecular Formula | C16H21N3O5S |
| Molecular Weight | 367.42 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 367.42 g/mol gives 2-((4-Imino-6,7-dimethoxy-3-(3-methoxypropyl)-3,4-dihydroquinazolin-2-yl)thio)acetic acid distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
2-((4-Imino-6,7-dimethoxy-3-(3-methoxypropyl)-3,4-dihydroquinazolin-2-yl)thio)acetic acid (CAS 439096-37-4) is a high-purity analytical reference standard with the molecular formula C16H21N3O5S and a molecular weight of 367.42 g/mol.
Owing to a flavonoid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage, 2-((4-Imino-6,7-dimethoxy-3-(3-methoxypropyl)-3,4-dihydroquinazolin-2-yl)thio)acetic acid is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 367.42 g/mol — guide the selection of appropriate sample preparation and analytical techniques. 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).
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), 2-((4-Imino-6,7-dimethoxy-3-(3-methoxypropyl)-3,4-dihydroquinazolin-2-yl)thio)acetic acid 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 | C16H21N3O5S |
| Molecular Weight | 367.42 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
Related Imino Standards
- 1-Ethyl-2-imino-5-oxo-N-((tetrahydrofuran-2-yl)methyl)-2,5-dihydro-1H-dipyrido[1,2-a:2',3'-d]pyrimidine-3-carboxamide (CAS 510761-97-4)
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