2,4-Dioxo-N-(2-phenoxyethyl)-3-(thiophen-2-ylmethyl)-1,2,3,4-tetrahydropyrimidine-5-carboxamide CAS 1396871-66-1
| CAS No. | 1396871-66-1 |
| Molecular Formula | C18H17N3O4S |
| Molecular Weight | 371.41 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 2,4-Dioxo-N-(2-phenoxyethyl)-3-(thiophen-2-ylmethyl)-1,2,3,4-tetrahydropyrimidine-5-carboxamide.
CATO supplies 2,4-Dioxo-N-(2-phenoxyethyl)-3-(thiophen-2-ylmethyl)-1,2,3,4-tetrahydropyrimidine-5-carboxamide (CAS 1396871-66-1), a certified reference material (molecular formula C18H17N3O4S, MW 371.41 g/mol) for analytical method development and quality control.
Based on its molecular formula C18H17N3O4S, 2,4-Dioxo-N-(2-phenoxyethyl)-3-(thiophen-2-ylmethyl)-1,2,3,4-tetrahydropyrimidine-5-carboxamide contains a flavonoid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 371.41 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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.
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.
Physical & Chemical Properties
| Molecular Formula | C18H17N3O4S |
| Molecular Weight | 371.41 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) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1991 |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
Related Dioxo Standards
- 4,6-Dioxo-3-phenyl-6,6a-dihydro-3aH-pyrrolo[3,4-d]isoxazol-5(4H)-yl benzenesulfonate (CAS 35053-67-9)
- 2-{16,18-dioxo-17-azapentacyclo[6.6.5.0^{2,7}.0^{9,14}.0^{15,19}]nonadeca-2(7),3,5,9(14),10,12-hexaen-17-yl}-N-(prop-2-en-1-yl)acetamide (CAS 478029-47-9)
- 4-[3-(1,3-Dioxo-indan-2-yl)-propyl]-piperazine-1-carboxylic acid tert-butyl ester (CAS 1299607-53-6)
- 3-((3,5-Dioxo-2,3,4,5-tetrahydro-1,2,4-triazin-6-yl)amino)-N'-(4-(trifluoromethyl)benzylidene)propanehydrazide (CAS 307508-68-5)
- 1-[(Z)-[(1,3-dioxo-2,3-dihydro-1H-inden-2-yl)(thiophen-2-yl)methylidene]amino]-3-(prop-2-en-1-yl)thiourea 1024673-02-6 MS-10662 (CAS 1024673-02-6)
- 4-(2-((2,5-Dioxo-1-phenylpyrrolidin-3-yl)amino)ethyl)benzenesulfonamide (CAS 472979-64-9)
- 5-[2-(2,6-dioxo-3-piperidyl)-1,3-dioxo-isoindolin-4-yl]oxypentanoic acid (CAS 2169266-67-3)
- 9,10-Dioxo-9,10-dihydroanthracene-1,2-disulfonic acid (CAS 53123-81-2)
Recommended Standards
- 1-Piperazinecarboxylic acid, 4-[(2-nitrophenyl)sulfonyl]-, 1,1-dimethylethyl ester (CAS 1314988-05-0)
- N-(2-(3-(1H-Imidazol-1-yl)-6-oxopyridazin-1(6H)-yl)ethyl)-2-phenylethene-1-sulfonamide (CAS 1396890-91-7)
- 4-(5-Methyl-4-{[(4-methylphenyl)sulfonyl]methyl}-1,3-oxazol-2-yl)benzoic acid (CAS 1280693-17-5)
- ABT-751 (CAS 141430-65-1)
- 2-(5-Amino-2-methoxyphenoxy)-N,N-diethylacetamide (CAS 953883-09-5)
- 5-Amino-2-(naphthalen-1-yl)isoindoline-1,3-dione (CAS 26491-10-1)
- 3-(4-Bromobenzyl)-3-methylazetidine (CAS 1267222-11-6)
- Morpholino(2-phenylquinolin-4-yl)methanone (CAS 88067-73-6)
- 6-Methylpyrazolo[1,5-a]pyrimidin-7-ol (CAS 1246549-98-3)
- (E)-2-(3-((2,5-dimethoxyphenyl)amino)-1-(dimethylamino)allylidene)malononitrile (CAS 338773-92-5)
- 2',4'-Dimethoxy-[1,1'-biphenyl]-3-ol (CAS 1261977-98-3)
- 2-(4-Butylbenzoyl)-5-methylpyridine (CAS 1187170-27-9)
- 4'-(4-Fluorophenyl)-2,2':6',2''-terpyridine (CAS 209901-86-0)
- Semaglutide Impurity 143 (CAS CATO-C4X-2226143)
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