3-[2-(3,4-dimethoxyphenyl)ethyl]-6-ethyl-2-mercaptothieno[2,3-d]pyrimidin-4(3H)-one CAS 588682-61-5
| CAS No. | 588682-61-5 |
| Molecular Formula | C18H20N2O3S2 |
| Molecular Weight | 376.49 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Owing to a steroid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage, 3-[2-(3,4-dimethoxyphenyl)ethyl]-6-ethyl-2-mercaptothieno[2,3-d]pyrimidin-4(3H)-one is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 376.49 g/mol — guide the selection of appropriate sample preparation and analytical techniques. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
3-[2-(3,4-dimethoxyphenyl)ethyl]-6-ethyl-2-mercaptothieno[2,3-d]pyrimidin-4(3H)-one (CAS 588682-61-5) is a high-purity analytical reference standard with the molecular formula C18H20N2O3S2 and a molecular weight of 376.49 g/mol.
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 3-[2-(3,4-dimethoxyphenyl)ethyl]-6-ethyl-2-mercaptothieno[2,3-d]pyrimidin-4(3H)-one 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 | C18H20N2O3S2 |
| Molecular Weight | 376.49 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.) | 1984 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 2 |
Related dimethoxyphenyl Standards
- Methyl 5-(3,4-dimethoxyphenyl)-2,7-dimethyl-3-oxo-3,5-dihydro-2H-thiazolo[3,2-a]pyrimidine-6-carboxylate (CAS 384845-27-6)
- Ethyl 3-(3,4-Dimethoxyphenyl)-3-hydroxy-2-(2-methoxyphenoxy)propionate (CAS 94687-10-2)
- 3-((3,4-Dimethoxyphenyl)sulfonyl)-6-methoxy-2H-chromen-2-one (CAS 866347-88-8)
- 3-((3,4-Dimethoxyphenyl)sulfonyl)-8-methoxy-2H-chromen-2-one (CAS 866347-84-4)
- 4-({4-[3-(3,4-dimethoxyphenyl)-1,2,4-oxadiazol-5-yl]-1H-imidazol-1-yl}methyl)aniline (CAS 1031606-14-0)
- (2-(7-(3,4-Dimethoxyphenyl)imidazo[1,2-c]pyrimidin-5-ylamino)pyridin-3-yl)methanol (CAS 1415564-51-0)
- 2-((3,4-Dimethoxyphenyl)sulfonyl)-1,2,3,4-tetrahydroisoquinoline-3-carboxylic acid (CAS 185244-25-1)
- 1-[(3,4-Dimethoxyphenyl)methyl]-4-hydroxy-3-[(2E)-3-phenylprop-2-en-1-yl]-1,2-dihydropyridin-2-one (CAS 477888-18-9)
Recommended Standards
- 3-(4,5-Diethoxy-2-nitrobenzylidene)dihydrofuran-2(3H)-one (CAS 92647-58-0)
- 3-[4-(4-Methoxyphenyl)piperazin-1-yl]-1-(naphthalen-2-yl)propan-1-ol (CAS 477328-90-8)
- 2-Hydroxy-3,17β-O-bis(methoxymethyl)estradiol (CAS 217792-89-7)
- 4-[1-(Benzenesulfonyl)ethyl]-5-ethyl-1-[(thiophen-2-yl)methyl]-2,3-dihydro-1H-imidazol-2-one (CAS 439096-18-1)
- 5-(Tert-butoxycarbonyl)-8-oxo-5-azaspiro[2.5]Octane-1-carboxylic acid (CAS 2387599-49-5)
- N3-Methyl-6-(trifluoromethyl)pyridine-2,3-diamine (CAS 1383948-57-9)
- Quinoline-3,4-diamine (CAS 87751-33-5)
- 2-(4-Methyl-1-piperidinyl)aniline (CAS 252758-94-4)
- 2-ISocyanobutane (CAS 14069-89-7)
- 3-Octen-2-ol (CAS 76649-14-4)
- 2-(Chloromethyl)-1,3,4-trimethylbenzene (CAS 41380-66-9)
- Methyl (5-cyano-1H-imidazol-4-yl)carbamate (CAS 53982-59-5)
- 2-(3-Bromo-2-methoxyphenyl)-1,3-dioxolane (CAS 2271442-83-0)
- Semaglutide impurity 29 (CAS CATO-C4X-222629)
Why CATO?
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