2-(3,4-Dimethoxyphenyl)pyrimido-[1,2-a]benzimidazol-4(1H)-one CAS 903440-36-8
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 903440-36-8 |
| Molecular Formula | C18H15N3O3 |
| Molecular Weight | 321.33 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2-(3,4-Dimethoxyphenyl)pyrimido-[1,2-a]benzimidazol-4(1H)-one (CAS 903440-36-8) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C18H15N3O3. Molecular weight: 321.33 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C18H15N3O3 |
| Molecular Weight | 321.33 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 Dimethoxyphenyl Standards
- Ethyl 2-[4-(2,4-dimethoxyphenyl)-3-methyl-5-oxo-4,5-dihydro-1H-1,2,4-triazol-1-yl]acetate (CAS 861206-37-3)
- N-(2,4-Dimethoxyphenyl)benzofuro[3,2-d]pyrimidin-4-amine (CAS 847379-79-7)
- 1-[3-(3,4-Dimethoxyphenyl)propanoyl]piperidine-4-carboxylic acid (CAS 1010891-44-7)
- (3,4-Dimethoxyphenyl)(4-(p-tolyl)-1H-pyrrol-3-yl)methanone (CAS 478031-28-6)
- 1-Butyl-2-(2,3-dimethoxyphenyl)-5-oxopyrrolidine-3-carboxylic acid (CAS 951949-97-6)
- 5-(3,4-Dimethoxyphenyl)-4-((tetrahydrofuran-2-yl)methyl)-4H-1,2,4-triazole-3-thiol (CAS 917746-92-0)
- N-[1-(3,4-Dimethoxyphenyl)-3-hydroxypropyl]thiophene-2-carboxamide (CAS 866149-48-6)
- 3-(3,4-Dimethoxyphenyl)-3-(2,2,2-trifluoroacetamido)propanoic acid (CAS 174502-40-0)
Recommended Standards
- 2-(1-(3,5-Dimethylphenyl)-5-methyl-1H-1,2,3-triazol-4-yl)-5-(furan-2-yl)-1,3,4-oxadiazole (CAS 950236-02-9)
- 2-(4-(4-(Pyridin-2-yl)pyrimidin-2-yl)phenoxy)acetohydrazide (CAS 477857-44-6)
- 2-((5-(4-Nitrophenyl)-1,3,4-thiadiazol-2-yl)amino)thiazol-4(5H)-one (CAS 89335-20-6)
- 2-((4-Chlorophenyl)thio)-1-(4-((3,4-dichlorobenzyl)oxy)phenyl)ethan-1-one (CAS 882079-40-5)
- Aminocaproic Acid Impurity 3 (CAS 2073-32-7)
- 7-Amino-2-(2-hydroxyethyl)-3,4-dihydroisoquinolin-1(2h)-one (CAS 1407067-86-0)
- Isopropyl 5-carbamoyl-2-(2-chloroacetamido)-4-methylthiophene-3-carboxylate (CAS 669747-33-5)
- 2-Fluoro-1-(methylsulfanyl)-3-(trifluoromethyl)benzene (CAS 1824423-80-4)
- 1-(2-Fluoroethyl)piperidine-3-sulfonamide hydrochloride (CAS 2126162-43-2)
- Liraglutide Impurity 31 (CAS CATO-C4X-199231)
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