Ethyl 2-(4-(3-(1,3-dioxoisoindolin-2-yl)propyl)-3-methyl-5-oxo-2,5-dihydro-1H-pyrazol-1-yl)-6-oxo-1,6-dihydropyrimidine-5-carboxylate CAS 866145-68-8
| CAS No. | 866145-68-8 |
| Molecular Formula | C22H21N5O6 |
| Molecular Weight | 451.43 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.
Ethyl 2-(4-(3-(1,3-dioxoisoindolin-2-yl)propyl)-3-methyl-5-oxo-2,5-dihydro-1H-pyrazol-1-yl)-6-oxo-1,6-dihydropyrimidine-5-carboxylate (CAS 866145-68-8) is a high-purity analytical reference standard with the molecular formula C22H21N5O6 and a molecular weight of 451.43 g/mol.
Owing to a flavonoid core, an amide group, a hydroxyl group, an ether linkage, Ethyl 2-(4-(3-(1,3-dioxoisoindolin-2-yl)propyl)-3-methyl-5-oxo-2,5-dihydro-1H-pyrazol-1-yl)-6-oxo-1,6-dihydropyrimidine-5-carboxylate is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 451.43 g/mol — guide the selection of appropriate sample preparation and analytical techniques. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
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 | C22H21N5O6 |
| Molecular Weight | 451.43 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| 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.) | 1987 |
| Nitrogen Atoms | 5 |
Related Ethyl Standards
- 2-(2-(1,3-Dioxoisoindolin-2-yl)acetamido)-N-(furan-2-ylmethyl)-4,5,6,7-tetrahydrobenzo[b]thiophene-3-carboxamide (CAS 611194-15-1)
- N-(4-(2-(1,3-dioxoisoindolin-2-yl)ethyl)thiazol-2-yl)-3,4-dimethoxybenzamide (CAS 866041-09-0)
- (2-(1,3-Dioxoisoindolin-2-yl)ethyl)triphenylphosphonium bromide (CAS 65273-64-5)
- N-(4-(2-(1,3-dioxoisoindolin-2-yl)ethyl)thiazol-2-yl)benzo[b]thiophene-2-carboxamide (CAS 866050-89-7)
- N-(1,3-Dioxoisoindolin-4-yl)-4-((3-methylpiperidin-1-yl)sulfonyl)benzamide (CAS 683792-06-5)
- 2-(2-(1,3-Dioxoisoindolin-2-yl)propanamido)-N-(furan-2-ylmethyl)-4,5,6,7-tetrahydrobenzo[b]thiophene-3-carboxamide (CAS 611194-19-5)
- 2,2-Bis((1,3-dioxoisoindolin-2-yl)methyl)propane-1,3-diyl diacetate (CAS 102883-84-1)
- 2-((1,3-Dioxoisoindolin-2-yl)oxy)-N-(5-iodopyridin-2-yl)acetamide (CAS 339018-00-7)
Recommended Standards
- 4-(2,4-Dichlorobenzoyl)-N-dodecyl-1H-pyrrole-2-carboxamide (CAS 672949-68-7)
- Suc-Ala-Ala-Ala-pNA (CAS 52299-14-6)
- 4-Amino-2-chloro-3,5-diiodo-benzoic Acid Ethyl Ester (CAS 1394129-98-6)
- GSK 2606414 (CAS 1337531-36-8)
- 1-Hydroxyisoquinoline-4-carbonyl chloride (CAS 94974-61-5)
- (2S,3aS,6aS)-Octahydrocyclopenta[b]pyrrole-2-carboxylic acid hydrochloride (CAS 87269-86-1)
- 1-Methyl-N-(2-methyl-2-(methylamino)propyl)-1h-imidazole-2-carboxamide (CAS 1424499-55-7)
- N-(2-(Thiophene-2-carbonyl)hydrazine-1-carbonothioyl)benzamide (CAS 448929-00-8)
- 5-Bromo-2-fluoro-4-methylbenzoic acid (CAS 515135-65-6)
- 3,4-Dichloro-1H-indol-7-amine (CAS 165669-12-5)
- Mezlocillin Impurity 8 (CAS CATO-C4X-18318)
- 2-(5-Isopropylpyrimidin-2-yl)ethan-1-amine (CAS 944905-63-9)
- 4-(3-Hydroxyphenyl)-1H-pyrrole-3-carboxylic acid (CAS 1330755-09-3)
- Semaglutide impurity 37 (CAS CATO-C4X-222637)
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