N-(2,4-Dimethylphenyl)-2-((3-ethyl-6-methyl-4-oxo-3,4,6,7-tetrahydrothieno[3,2-d]pyrimidin-2-yl)thio)acetamide CAS 851409-41-1
| CAS No. | 851409-41-1 |
| Molecular Formula | C19H23N3O2S2 |
| Molecular Weight | 389.53 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 N-(2,4-Dimethylphenyl)-2-((3-ethyl-6-methyl-4-oxo-3,4,6,7-tetrahydrothieno[3,2-d]pyrimidin-2-yl)thio)acetamide.
N-(2,4-Dimethylphenyl)-2-((3-ethyl-6-methyl-4-oxo-3,4,6,7-tetrahydrothieno[3,2-d]pyrimidin-2-yl)thio)acetamide (CAS 851409-41-1), molecular formula C19H23N3O2S2 and molecular weight 389.53 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C19H23N3O2S2, N-(2,4-Dimethylphenyl)-2-((3-ethyl-6-methyl-4-oxo-3,4,6,7-tetrahydrothieno[3,2-d]pyrimidin-2-yl)thio)acetamide contains a steroid 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 389.53 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.
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.
CATO manufactures N-(2,4-Dimethylphenyl)-2-((3-ethyl-6-methyl-4-oxo-3,4,6,7-tetrahydrothieno[3,2-d]pyrimidin-2-yl)thio)acetamide under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C19H23N3O2S2 |
| Molecular Weight | 389.53 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) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 2 |
Related N Standards
- N-(2,3-Dimethylphenyl)-2-((3-ethyl-6-methyl-4-oxo-3,4,6,7-tetrahydrothieno[3,2-d]pyrimidin-2-yl)thio)acetamide (CAS 851409-39-7)
- N-(2,4-Dimethylphenyl)-2-((3-(2-hydroxyethyl)-4-oxo-3,4-dihydrothieno[3,2-d]pyrimidin-2-yl)thio)acetamide (CAS 1798672-20-4)
- N-(2,4-Dimethylphenyl)-2-{4-oxo-7-phenyl-3H,4H-thieno[3,2-d]pyrimidin-3-yl}acetamide (CAS 1105223-83-3)
- N-(2,6-Dimethylphenyl)-2-{4-oxo-7-phenyl-3H,4H-thieno[3,2-d]pyrimidin-3-yl}acetamide (CAS 1105223-88-8)
- N-(2,5-dimethylphenyl)-2-(4-oxo-7-phenylthieno[3,2-d]pyrimidin-3(4H)-yl)acetamide (CAS 1105235-28-6)
- N-(3,4-Dimethylphenyl)-2-{4-oxo-7-phenyl-3H,4H-thieno[3,2-d]pyrimidin-3-yl}acetamide (CAS 1105235-79-7)
- N-(2,3-dimethylphenyl)-3-(3-(3-(trifluoromethyl)phenyl)-1,2,4-oxadiazol-5-yl)propanamide (CAS 866040-01-9)
- N-(3,4-Dimethylphenyl)-2-((4-((2-hydroxybenzylidene)amino)phenyl)thio)acetamide (CAS 765285-07-2)
Recommended Standards
- N-(4-Aminobutyl)-N-(2-(thiophen-2-yl)ethyl)isoquinoline-5-sulfonamide (CAS 651307-36-7)
- Ethyl 6-ethyl-2-(3-phenylthioureido)-4,5,6,7-tetrahydrothieno[2,3-c]pyridine-3-carboxylate (CAS 368888-90-8)
- N-(4-Aminobutyl)-N-(2-(thiophen-3-yl)ethyl)isoquinoline-5-sulfonamide (CAS 651307-37-8)
- Clomiphene Impurity 1 (CAS 73404-00-9)
- 4-Cyclopropylbenzamide (CAS 1129-08-4)
- 4-{[1,1'-biphenyl]-4-yl}-2-[4-(3-fluoropropoxy)phenyl]pyrimidine (CAS 477856-61-4)
- Dihydrokalafungin (CAS 98392-26-8)
- 6,6-dimethyl-5-nitropiperidin-2-one (CAS 1803601-04-8)
- 3-[1-(2-Chlorobenzoyl)piperidin-4-yl]-4-[(4-methoxyphenyl)methyl]-4,5-dihydro-1H-1,2,4-triazol-5-one (CAS 1775513-23-9)
- 2-((5-Amino-1,3,4-thiadiazol-2-yl)thio)-N-(3-methylisoxazol-5-yl)acetamide (CAS 937977-25-8)
- 2-(3-Cyano-4,6-dimethyl-2-oxopyridin-1(2H)-yl)-N-(p-tolyl)acetamide (CAS 941882-39-9)
- 4-Carboxy-3-nitrobenzylamine (CAS 100466-28-2)
- Dimethyl 4-(3-(4-ethoxyphenyl)-1-phenyl-1H-pyrazol-4-yl)-2,6-dimethyl-1,4-dihydropyridine-3,5-dicarboxylate (CAS 433946-21-5)
- Liraglutide Impurity 25 (CAS CATO-C4X-199225)
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