Methyl 5-(3,4-dimethoxyphenyl)-2-(4-(dimethylamino)benzylidene)-7-methyl-3-oxo-3,5-dihydro-2H-thiazolo[3,2-a]pyrimidine-6-carboxylate CAS 312938-63-9
| CAS No. | 312938-63-9 |
| Molecular Formula | C26H27N3O5S |
| Molecular Weight | 493.57 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Methyl 5-(3,4-dimethoxyphenyl)-2-(4-(dimethylamino)benzylidene)-7-methyl-3-oxo-3,5-dihydro-2H-thiazolo[3,2-a]pyrimidine-6-carboxylate (CAS 312938-63-9), molecular formula C26H27N3O5S and molecular weight 493.57 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C26H27N3O5S, Methyl 5-(3,4-dimethoxyphenyl)-2-(4-(dimethylamino)benzylidene)-7-methyl-3-oxo-3,5-dihydro-2H-thiazolo[3,2-a]pyrimidine-6-carboxylate 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 493.57 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures Methyl 5-(3,4-dimethoxyphenyl)-2-(4-(dimethylamino)benzylidene)-7-methyl-3-oxo-3,5-dihydro-2H-thiazolo[3,2-a]pyrimidine-6-carboxylate 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 | C26H27N3O5S |
| Molecular Weight | 493.57 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) | 15.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
Related Methyl Standards
- 1-{4-[(E)-2-[(2,5-dimethoxyphenyl)methylidene]hydrazin-1-yl]-3-nitrobenzenesulfonyl}piperidine-4-carboxylic acid (CAS 860612-05-1)
- Ethyl (2-((4-(2,5-dimethoxyphenyl)-5-(1H-indol-3-yl)-4H-1,2,4-triazol-3-yl)thio)acetyl)glycinate (CAS 852167-40-9)
- N-(2,4-Dimethoxyphenyl)-2-((4-(4-ethoxyphenyl)-5-(pyridin-3-yl)-4H-1,2,4-triazol-3-yl)thio)acetamide (CAS 477330-22-6)
- N-(3,5-Dimethoxyphenyl)-2-((4-(4-ethoxyphenyl)-5-(pyridin-3-yl)-4H-1,2,4-triazol-3-yl)thio)acetamide (CAS 477330-20-4)
- N-[(2,3-Dimethoxyphenyl)methyl]-2-({3-ethyl-4-oxo-7-phenyl-3H,4H-thieno[3,2-d]pyrimidin-2-yl}sulfanyl)acetamide (CAS 1040635-57-1)
- N-(2,5-Dimethoxyphenyl)-2-((4-phenyl-5-((p-tolylamino)methyl)-4H-1,2,4-triazol-3-yl)thio)acetamide (CAS 332907-12-7)
- N-[5-(3,4-Dimethoxyphenyl)-15,17-dioxa-3,7,8-triazapentacyclo[10.7.0.0^{2,10}.0^{4,8}.0^{14,18}]nonadeca-1(19),2,4,6,9,12,14(18)-heptaen-11-yl]-2,2,2-trifluoroacetamide (CAS 866144-83-4)
- (E)-6-(2-(2,4-Dimethoxyphenyl)-3-(hydroxy(4-nitrophenyl)methylene)-4,5-dioxopyrrolidin-1-yl)hexanoic acid (CAS 6042-43-9)
Recommended Standards
- 4-(4-Butoxybenzoyl)-5-(4-ethoxyphenyl)-3-hydroxy-1-(5-methyl-1,3,4-thiadiazol-2-yl)-1H-pyrrol-2(5H)-one (CAS 609795-75-7)
- N-(9-Ethyl-9H-carbazol-3-yl)-2-(4-(morpholinosulfonyl)phenoxy)acetamide (CAS 379704-63-9)
- Dasabuvir (CAS 1132935-63-7)
- Alvimopan impurity 18 (CAS CATO-C4X-114518)
- 4-Nitro-1-[(2e)-3-phenylprop-2-en-1-yl]-1h-pyrazole (CAS 1240590-93-5)
- (6-Isopropoxy-5-methylpyridin-3-yl)boronic acid (CAS 1402238-33-8)
- (2-phenyl-2H-1,2,3-triazol-4-yl)acetonitrile (CAS 64404-12-2)
- ((2R,3S,4S,5R,6R)-3,4,5,6-tetrahydroxytetrahydro-2H-pyran-2-yl)methyl benzoate (CAS 90-75-5)
- 3-(2-Chlorophenyl)-5-methyl-N-((tetrahydrofuran-2-yl)methyl)pyrazolo[1,5-a]pyrimidin-7-amine (CAS 902014-84-0)
- (4-Chloro-3-ethoxyphenyl)methanol (CAS 909853-93-6)
- Iopamidol EP Impurity H (CAS CATO-C4X-145011)
- 1-(2,3,4,6-Tetramethoxyphenyl)ethan-1-one (CAS 7508-05-6)
- 6-Amino-2-(indolin-1-yl)pyrimidin-4-ol (CAS 876667-59-3)
- Met(O)14-Exenatide trifluoroacetate salt (CAS 1678417-38-3)
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