1-Cyclopentyl-2-imino-8-methyl-3-(phenylsulfonyl)-1H-dipyrido[1,2-a:2',3'-d]pyrimidin-5(2H)-one CAS 606954-62-5
| CAS No. | 606954-62-5 |
| Molecular Formula | C23H22N4O3S |
| Molecular Weight | 434.51 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
1-Cyclopentyl-2-imino-8-methyl-3-(phenylsulfonyl)-1H-dipyrido[1,2-a:2',3'-d]pyrimidin-5(2H)-one (CAS 606954-62-5) is a high-purity analytical reference standard with the molecular formula C23H22N4O3S and a molecular weight of 434.51 g/mol.
1-Cyclopentyl-2-imino-8-methyl-3-(phenylsulfonyl)-1H-dipyrido[1,2-a:2',3'-d]pyrimidin-5(2H)-one (C23H22N4O3S) contains a steroid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage. It is notably hygroscopic, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C23H22N4O3S |
| Molecular Weight | 434.51 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) | 15.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1985 |
| Nitrogen Atoms | 4 |
| Sulfur Atoms | 1 |
Related Cyclopentyl Standards
- 3-Cyclopentyl-5-(1-(4-methylbenzyl)-2-oxoindolin-3-ylidene)-2-thioxothiazolidin-4-one (CAS 609795-07-5)
- Cyclopentyl 2-(2-methoxyphenyl)ethyl ketone (CAS 898774-31-7)
- N-Cyclopentyl-2-(4-(3-(phenylthio)propanamido)phenyl)-2H-tetrazole-5-carboxamide (CAS 1396749-28-2)
- N-Cyclopentyl-2-(4-((2-phenylvinyl)sulfonamido)phenyl)-2H-tetrazole-5-carboxamide (CAS 1396890-48-4)
- N-Cyclopentyl-5-(4-fluorobenzyl)-3-oxo-2-phenyl-3,5-dihydro-2H-pyrazolo[4,3-c]pyridine-7-carboxamide (CAS 921550-99-4)
- N-Cyclopentyl-2-((6-((4-(furan-2-carbonyl)piperazin-1-yl)methyl)-4-oxo-4H-pyran-3-yl)oxy)acetamide (CAS 898417-61-3)
- N-Cyclopentyl-2-(2-((1-(3-fluorophenyl)-1H-tetrazol-5-yl)thio)acetamido)benzamide (CAS 870984-20-6)
- Cyclopentyl 4-(4-fluorophenyl)-2-methyl-5-oxo-7-phenyl-1,4,5,6,7,8-hexahydroquinoline-3-carboxylate (CAS 5803-68-9)
Recommended Standards
- Flunisolide (CAS 3385-03-3)
- 2-((1,1-Dioxido-3-oxobenzo[d]isothiazol-2(3H)-yl)methyl)-N-isopropyl-N-phenylbenzamide (CAS 866153-09-5)
- Paramethasone Acetate (CAS 1597-82-6)
- 2-(1-(((9H-Fluoren-9-yl)methoxy)carbonyl)piperidin-3-yl)thiazole-5-carboxylic acid (CAS 2137672-29-6)
- 3-Bromobenzylphosphonic Acid (CAS 80395-12-6)
- 7-(Diethylamino)-4-methyl-2-oxo-2H-chromene-3-carbaldehyde (CAS 142730-48-1)
- 4-Benzyl-3-methyl-3,4-dihydro-2H-benzo[b][1,4]oxazine-6-carboxylic acid (CAS 950461-36-6)
- (4R)-2-Phenylthiazolidine-4-carboxylic acid (CAS 196930-46-8)
- 2,2,2-trifluoroethyl N-(6-oxo-1-propyl-1,6-dihydropyridin-3-yl)carbamate (CAS 1333569-97-3)
- 7-Bromoquinolin-4-amine hydrochloride (CAS 1187931-88-9)
- Prop-2-yn-1-ylcyclohexane (CAS 17715-00-3)
- 76243-25-9 4-(Benzyloxy)-3-fluoroaniline--hydrogen chloride (1/1) DTXSID20633117 (CAS 76243-25-9)
- 3,5-Dichlorobenzo[d]isothiazole 1,1-dioxide (CAS 15864-54-7)
- Semaglutide impurity 206 (CAS CATO-C4X-2226206)
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 18665070610 / Nicole.chen@cato-chem.com