2-((2-Oxo-2-(pyrrolidin-1-yl)ethyl)thio)-3-(p-tolyl)-6,7-dihydrothieno[3,2-d]pyrimidin-4(3H)-one CAS 686771-17-5
| CAS No. | 686771-17-5 |
| Molecular Formula | C19H21N3O2S2 |
| Molecular Weight | 387.52 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO manufactures 2-((2-Oxo-2-(pyrrolidin-1-yl)ethyl)thio)-3-(p-tolyl)-6,7-dihydrothieno[3,2-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.
2-((2-Oxo-2-(pyrrolidin-1-yl)ethyl)thio)-3-(p-tolyl)-6,7-dihydrothieno[3,2-d]pyrimidin-4(3H)-one (CAS 686771-17-5) is a high-purity analytical reference standard with the molecular formula C19H21N3O2S2 and a molecular weight of 387.52 g/mol.
Structurally, 2-((2-Oxo-2-(pyrrolidin-1-yl)ethyl)thio)-3-(p-tolyl)-6,7-dihydrothieno[3,2-d]pyrimidin-4(3H)-one (C19H21N3O2S2) 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 11.0, corresponding to approximately 11 ring(s) or double-bond equivalent(s). With a molecular weight of 387.52 g/mol, it falls into the moderately-high-molecular-weight range. 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.
Physical & Chemical Properties
| Molecular Formula | C19H21N3O2S2 |
| Molecular Weight | 387.52 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) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1985 |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 2 |
Related Oxo Standards
- 4'-(Pyrrolidin-1-ylsulfonyl)-5-(trifluoromethoxy)-[1,1'-biphenyl]-3-ol (CAS 1261896-33-6)
- 3'-(Pyrrolidin-1-ylsulfonyl)-5-(trifluoromethoxy)-[1,1'-biphenyl]-3-ol (CAS 1261922-47-7)
- 9-(4-(3-(Pyrrolidin-1-yl)propoxy)phenyl)-1,2,3,4-tetrahydroacridine (CAS 873014-76-7)
- (S)-Pyrrolidin-2-ylbis(4-(trifluoromethyl)phenyl)methanol (CAS 131180-65-9)
- 3-Methyl-2-(pyrrolidin-1-yl)-5-(1-tosylpyrrolidin-2-yl)pyridine (CAS 1352524-61-8)
- Di(pyrrolidin-1-yl)phosphinic anhydride (CAS 51833-62-6)
- 3-Oxo-4-(5-(pyrrolidin-1-ium-1-ylidene)thiophen-2(5H)-ylidene)-2-(5-(pyrrolidin-1-yl)thiophen-2-yl)cyclobut-1-enolate (CAS 137020-21-4)
- N-(5-((2-(Pyrrolidin-1-yl)ethyl)thio)-1,3,4-thiadiazol-2-yl)benzo[d]thiazole-2-carboxamide (CAS 1351643-31-6)
Recommended Standards
- [(S)-1-((S)-2-Amino-3-methyl-butyryl)-pyrrolidin-2-ylmethyl]-cyclopropyl-carbamic acid benzyl ester (CAS 1354025-64-1)
- 2-((3-Ethyl-5,6-dimethyl-4-oxo-3,4-dihydrothieno[2,3-d]pyrimidin-2-yl)thio)-N-(m-tolyl)acetamide (CAS 578758-40-4)
- Benzyl ((1-((S)-2-amino-3-methylbutanoyl)piperidin-3-yl)methyl)(cyclopropyl)carbamate (CAS 1354024-57-9)
- 2-((3-Ethyl-5,6-dimethyl-4-oxo-3,4-dihydrothieno[2,3-d]pyrimidin-2-yl)thio)-N-(p-tolyl)acetamide (CAS 618427-68-2)
- 7-Chlorochromane-2-carboxylic acid (CAS 944899-81-4)
- 2-(4-((4-Aminophenyl)sulfonyl)piperazin-1-yl)ethanol (CAS 524718-94-3)
- 3-chloro-6-methoxy-1,5-naphthyridin-4-ol (CAS 724787-12-6)
- 6-Bromo-5-nitronicotinaldehyde (CAS 1289263-92-8)
- 2-(1-Methyl-1H-imidazol-4-yl)-1H-benzo[d]imidazole (CAS 54209-65-3)
- 4,6-Dimethylpyrimidine-2-sulfonyl chloride (CAS 69812-31-3)
- Benzenesulfonamide, 4-bromo-N,N-bis(1-methylethyl)- (CAS 183241-47-6)
- (5-Bromo-1H-indol-3-yl)boronic acid (CAS 948593-84-8)
- 3-((3,4-Dichlorophenyl)diazenyl)-1-(morpholinomethyl)-1H-indol-2-ol (CAS 338391-74-5)
- Tirzepatide Impurity 57 (CAS CATO-C4X-324057)
Why CATO?
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