1-Ethyl-2-imino-3-tosyl-1H-dipyrido[1,2-a:2',3'-d]pyrimidin-5(2H)-one CAS 606955-21-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 606955-21-9 |
| Molecular Formula | C20H18N4O3S |
| Molecular Weight | 394.45 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
1-Ethyl-2-imino-3-tosyl-1H-dipyrido[1,2-a:2',3'-d]pyrimidin-5(2H)-one (CAS 606955-21-9) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C20H18N4O3S. Molecular weight: 394.45 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C20H18N4O3S |
| Molecular Weight | 394.45 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) | 14.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1985 |
| Nitrogen Atoms | 4 |
| Sulfur Atoms | 1 |
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Recommended Standards
- 1,10-Bis-(dichloracetamido)-decan (CAS 6945-00-2)
- 2-[(6-Acetamidopyridin-3-yl)sulfanyl]-N-(4-methoxyphenyl)pyridine-3-carboxamide (CAS 343373-15-9)
- 1-(4-Fluorophenyl)-5-methyl-N-(2-(4-methylpiperazin-1-yl)phenyl)-1H-1,2,4-triazole-3-carboxamide (CAS 338398-14-4)
- 2-chloro-N-(2,3,4,5,6-pentafluorophenyl)propanamide (CAS 1235441-08-3)
- (2R,3R,4R,5R)-2-((Benzoyloxy)methyl)-5-(5-methyl-4-oxo-2-thioxo-3,4-dihydropyrimidin-1(2H)-yl)tetrahydrofuran-3,4-diyl dibenzoate (CAS 75921-08-3)
- Salbutamol Impurity 80 (CAS 41104-10-3)
- 4-(Benzo[1,3]dioxol-5-yloxy)-3-oxo-pentanoic acid methyl ester (CAS 1229623-65-7)
- 4-(4-OXOPIPERIDIN-1-YL)BENZAMIDE (CAS 340756-87-8)
- (R)-tert-Butyl 2-azaspiro[3.4]octan-6-ylcarbamate (CAS 2199215-50-2)
- Semaglutide impurity 331 (CAS CATO-C4X-2226231)
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