N-(4-acetylphenyl)-2-((3-ethyl-4-oxo-7-(p-tolyl)-3,4-dihydrothieno[3,2-d]pyrimidin-2-yl)thio)acetamide CAS 1040651-16-8
| CAS No. | 1040651-16-8 |
| Molecular Formula | C25H23N3O3S2 |
| Molecular Weight | 477.60 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of N-(4-acetylphenyl)-2-((3-ethyl-4-oxo-7-(p-tolyl)-3,4-dihydrothieno[3,2-d]pyrimidin-2-yl)thio)acetamide is closely related to a steroid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
CATO supplies N-(4-acetylphenyl)-2-((3-ethyl-4-oxo-7-(p-tolyl)-3,4-dihydrothieno[3,2-d]pyrimidin-2-yl)thio)acetamide (CAS 1040651-16-8), a certified reference material (molecular formula C25H23N3O3S2, MW 477.60 g/mol) for analytical method development and quality control.
Structurally, N-(4-acetylphenyl)-2-((3-ethyl-4-oxo-7-(p-tolyl)-3,4-dihydrothieno[3,2-d]pyrimidin-2-yl)thio)acetamide (C25H23N3O3S2) contains a steroid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 16.0, corresponding to approximately 16 ring(s) or double-bond equivalent(s). With a molecular weight of 477.60 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.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), N-(4-acetylphenyl)-2-((3-ethyl-4-oxo-7-(p-tolyl)-3,4-dihydrothieno[3,2-d]pyrimidin-2-yl)thio)acetamide meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C25H23N3O3S2 |
| Molecular Weight | 477.60 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) | 16.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1988 |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 2 |
Related N Standards
- N-(4-acetylphenyl)-2-((3-cyano-4-phenyl-6-(p-tolyl)pyridin-2-yl)thio)acetamide (CAS 332154-99-1)
- N-(4-acetylphenyl)-3-amino-4-phenyl-6-(p-tolyl)thieno[2,3-b]pyridine-2-carboxamide (CAS 332155-09-6)
- Ethyl 3-((4-(4-acetylphenyl)piperazin-1-yl)sulfonyl)benzo[b]thiophene-2-carboxylate (CAS 932303-70-3)
- N-(4-acetylphenyl)-2-((4-phenyl-5-((m-tolylamino)methyl)-4H-1,2,4-triazol-3-yl)thio)acetamide (CAS 332930-03-7)
- N-(4-acetylphenyl)-2-((5-((4-methoxyphenoxy)methyl)-4-phenyl-4H-1,2,4-triazol-3-yl)thio)acetamide (CAS 332912-72-8)
- 4-Acetylphenyl 2,3,4,6-Tetra-O-acetyl-β-D-glucopyranoside (CAS 25876-45-3)
- N-(3-acetylphenyl)-2-((3-methyl-4-oxo-7-(p-tolyl)-3,4-dihydrothieno[3,2-d]pyrimidin-2-yl)thio)acetamide (CAS 1040649-06-6)
- N-(4-Acetylphenyl)-3-amino-6-ethyl-4-(trifluoromethyl)-5H,6H,7H,8H-thieno[2,3-b]quinoline-2-carboxamide (CAS 939888-85-4)
Recommended Standards
- THP-PEG4-Pyrrolidine(N-Boc)-CH2OH (CAS 2378261-80-2)
- 3-Ethyl-2-((2-(6-methyl-2,3-dihydro-4H-benzo[b][1,4]oxazin-4-yl)-2-oxoethyl)thio)-7-phenylthieno[3,2-d]pyrimidin-4(3H)-one (CAS 1040661-80-0)
- Sildenafil Impurity 289 (CAS CATO-C4X-1128289)
- 3-Methyl-2-{[2-(6-methyl-3,4-dihydro-2H-1,4-benzoxazin-4-yl)-2-oxoethyl]sulfanyl}-7-(4-methylphenyl)-3H,4H-thieno[3,2-d]pyrimidin-4-one (CAS 1105196-93-7)
- Methyl 4,5-dichloro-2-methoxybenzoate (CAS 1239783-16-4)
- 2-[3-Chloro-5-(trifluoromethyl)pyridin-2-yl]-N-[(pyridin-2-yl)methyl]acetamide (CAS 691873-26-4)
- tert-butyl 6-(difluoromethyl)indazole-1-carboxylate (CAS 2244582-63-4)
- 3-(Chloromethyl)-5-(oxan-4-yl)-1,2,4-oxadiazole (CAS 1249078-34-9)
- 5-Bromo-N-(2-ethoxyethyl)-3-nitropyridin-2-amine (CAS 1249309-23-6)
- (Z)-1-(3-morpholino-5-(trifluoromethyl)pyridin-2-yl)ethan-1-one O-dimethylcarbamoyl oxime (CAS 860650-98-2)
- N-(6-Methylbenzo[d]thiazol-2-yl)-3-(methylthio)benzamide (CAS 896355-06-9)
- Axitinib Impurity 14 (CAS CATO-C4X-107114)
- 3-(6-Aminobenzo[d]isoxazol-3-yl)piperidine-2,6-dione (CAS 2883704-28-5)
- Des-Tyr10-Tirzepatide (CAS CATO-CPTD788680)
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