3-allyl-5-cyclopropyl-2-mercaptothieno[2,3-d]pyrimidin-4(3H)-one CAS 749920-23-8
| CAS No. | 749920-23-8 |
| Molecular Formula | C12H12N2OS2 |
| Molecular Weight | 264.37 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, 3-allyl-5-cyclopropyl-2-mercaptothieno[2,3-d]pyrimidin-4(3H)-one (C12H12N2OS2) contains a nitrogen-containing heterocyclic scaffold, an amide group, sulfur-containing functionality, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 8.0, corresponding to approximately 8 ring(s) or double-bond equivalent(s). With a molecular weight of 264.37 g/mol, it falls into the medium-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.
3-allyl-5-cyclopropyl-2-mercaptothieno[2,3-d]pyrimidin-4(3H)-one (CAS 749920-23-8) is a high-purity analytical reference standard with the molecular formula C12H12N2OS2 and a molecular weight of 264.37 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.
As a certified reference material (CRM), 3-allyl-5-cyclopropyl-2-mercaptothieno[2,3-d]pyrimidin-4(3H)-one 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 | C12H12N2OS2 |
| Molecular Weight | 264.37 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1986 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 2 |
Related allyl Standards
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Recommended Standards
- 2-Mercapto-6-{[(4-methylphenyl)thio]-methyl}pyrimidin-4(3H)-one (CAS 299937-81-8)
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- 2-[2-(Methylsulfanyl)phenyl]-5-(prop-2-en-1-ylsulfanyl)-1,3,4-oxadiazole (CAS 338968-08-4)
- 5,5'-Disulfanediylbis(1,3,4-thiadiazol-2-amine) (CAS 36999-88-9)
- 2-(Chloromethyl)-4-fluoro-1h-1,3-benzodiazole hydrochloride (CAS 1258649-53-4)
- But-1-yn-1-ylbenzene (CAS 83585-27-7)
- N-[2-(1H-Imidazol-1-yl)ethyl]-3-nitropyridin-2-amine (CAS 1306202-17-4)
- Rivaroxaban Impurity 65 (CAS 73311-47-4)
- Ethyl 3-(1H-benzo[d][1,2,3]triazol-1-yl)propanoate (CAS 69218-47-9)
- 2-Chloro-4-(2-formylphenyl)benzoic acid (CAS 1261970-85-7)
- 2,4-Dichloro-7,8-dihydro-5H-thiopyrano[4,3-d]pyrimidine (CAS 181374-43-6)
- 1-Bromo-3-isopropyl-5-nitrobenzene (CAS 1211580-60-7)
- N-(3,5-Dimethylphenyl)-2-((4-ethyl-5-(pyridin-4-yl)-4H-1,2,4-triazol-3-yl)thio)acetamide (CAS 482639-86-1)
- Semaglutide impurity 236 (CAS CATO-C4X-2226236)
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