(S)-5-(5-Chloro-1-methyl-2-oxo-1,2-dihydropyridin-3-yl)-6-(4-chlorophenyl)-2-(2,4-dimethoxypyrimidin-5-yl)-1-isopropyl-5,6-dihydropyrrolo[3,4-d]imidazol-4(1H)-one CAS 1448867-41-1
| CAS No. | 1448867-41-1 |
| Molecular Formula | C26H24Cl2N6O4 |
| Molecular Weight | 555.41 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.
CATO supplies (S)-5-(5-Chloro-1-methyl-2-oxo-1,2-dihydropyridin-3-yl)-6-(4-chlorophenyl)-2-(2,4-dimethoxypyrimidin-5-yl)-1-isopropyl-5,6-dihydropyrrolo[3,4-d]imidazol-4(1H)-one (CAS 1448867-41-1), a certified reference material (molecular formula C26H24Cl2N6O4, MW 555.41 g/mol) for analytical method development and quality control.
Structurally, (S)-5-(5-Chloro-1-methyl-2-oxo-1,2-dihydropyridin-3-yl)-6-(4-chlorophenyl)-2-(2,4-dimethoxypyrimidin-5-yl)-1-isopropyl-5,6-dihydropyrrolo[3,4-d]imidazol-4(1H)-one (C26H24Cl2N6O4) contains a steroid core, an amide group, a hydroxyl group, an ether linkage, chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 17.0, corresponding to approximately 17 ring(s) or double-bond equivalent(s). With a molecular weight of 555.41 g/mol, it falls into the moderately-high-molecular-weight range. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
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.
Physical & Chemical Properties
| Molecular Formula | C26H24Cl2N6O4 |
| Molecular Weight | 555.41 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| 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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 17.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1992 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 6 |
Related S Standards
- (6R)-5-(5-Chloro-1,2-dihydro-1-methyl-2-oxo-3-pyridinyl)-6-(4-chlorophenyl)-2-(2,4-dimethoxy-5-pyrimidinyl)-5,6-dihydro-1-(1-methylethyl)pyrrolo[3,4-d]imidazol-4(1H)-one (CAS 1448867-42-2)
- Butyl 4-(4-chloro-3-nitrophenyl)-7-(3,4-dimethoxyphenyl)-2-methyl-5-oxo-1,4,5,6,7,8-hexahydroquinoline-3-carboxylate (CAS 500212-68-0)
- 1-Benzyl-5-(1-(3-chloro-5-(trifluoromethyl)pyridin-2-yl)-1H-pyrazol-5-yl)-3-(4-fluorobenzyl)pyrimidine-2,4(1H,3H)-dione (CAS 321534-65-0)
- Ethyl 2-((4-(2-((3-chloro-5-(trifluoromethyl)pyridin-2-yl)amino)ethyl)-3-oxo-7-(trifluoromethyl)-3,4-dihydroquinoxalin-2-yl)thio)acetate (CAS 337921-06-9)
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Recommended Standards
- N,N-Bis(4-bromophenyl)-[1,1':4',1''-terphenyl]-4-amine (CAS 2205054-16-4)
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- 3-(5-((3,5-Dichlorophenyl)thio)-4-isopropyl-1-methyl-1H-imidazol-2-yl)propyl carbamate (CAS 178980-43-3)
- 5-Bromo-6-chloro-3-iodopyrazin-2-amine (CAS 2090186-99-3)
- (4-Chloro-3-nitrophenyl)(pyridin-4-yl)methanone (CAS 62946-43-4)
- Methyl 2-amino-3-(2-bromophenyl)propanoate (CAS 774509-87-4)
- N-(4-Fluorobenzyl)-1-(1-propyl-1H-pyrazol-3-yl)methanamine hydrochloride (CAS 1856083-29-8)
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- 8-Methyl-[1,2,4]triazolo[4,3-a]pyrazine-3-carboxylic acid (CAS 1935915-95-9)
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