6,7-Dimethoxy-2-(3-nitrostyryl)quinazolin-4(3H)-one CAS 922189-49-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 922189-49-9 |
| Molecular Formula | C18H15N3O5 |
| Molecular Weight | 353.33 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Description
6,7-Dimethoxy-2-(3-nitrostyryl)quinazolin-4(3H)-one (CAS 922189-49-9) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C18H15N3O5. Molecular weight: 353.33 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C18H15N3O5 |
| Molecular Weight | 353.33 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| 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.) | 1987 |
| Nitrogen Atoms | 3 |
Related Dimethoxy Standards
- 10,11-Dimethoxy-8-oxo-5,8,13,13a-tetrahydro-6H-isoquino[3,2-a]isoquinoline-13-carboxylic acid (CAS 1119451-13-6)
- 2,3-Dimethoxy-8-oxo-5,8,13,13a-tetrahydro-6H-isoquino[3,2-a]isoquinoline-13-carboxylic acid (CAS 1119451-14-7)
- 6,8-Dimethoxy-9-(4-methoxyphenyl)-1H,3H,4H,9H-furo[3,4-b]quinolin-1-one (CAS 1272756-30-5)
- 2-(3,4-Dimethoxy-phenyl)-4-ethoxymethylene-4H-isoquinoline-1,3-dione (CAS 522628-98-4)
- (2S)-2-[(4,7-Dimethoxy-1H-indol-2-yl)formamido]-2-phenylacetic acid (CAS 956951-92-1)
- 7,8-Dimethoxy-3-(4-nitrobenzyl)-1,3-dihydro-2H-benzo[d]azepin-2-one (CAS 866135-95-7)
- 4-((3,4-Dimethoxy-N-methylphenyl)sulfonamido)benzoic acid (CAS 723247-01-6)
- 18,19-Dimethoxy-4,5,7,9,13-pentaazapentacyclo[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 861209-59-8)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 13829788188 / jacky.chen@cato-chem.com