3-(4-Ethoxyphenyl)-2-(ethylthio)-6,7-dihydrothieno[3,2-d]pyrimidin-4(3H)-one CAS 686772-58-7
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 686772-58-7 |
| Molecular Formula | C16H18N2O2S2 |
| Molecular Weight | 334.46 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
3-(4-Ethoxyphenyl)-2-(ethylthio)-6,7-dihydrothieno[3,2-d]pyrimidin-4(3H)-one (CAS 686772-58-7) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C16H18N2O2S2. Molecular weight: 334.46 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C16H18N2O2S2 |
| Molecular Weight | 334.46 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) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1985 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 2 |
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Recommended Standards
- 2-(3-(Ethylthio)benzamido)-4,5-dimethylthiophene-3-carboxamide (CAS 886914-40-5)
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- 2-(2-(Ethylthio)benzamido)-4,5-dimethylthiophene-3-carboxamide (CAS 886918-87-2)
- N,N-Dimethyl-N′-2-thiazolylsulfamide (CAS 349419-27-8)
- Fmoc-N-Me-Met-OH (CAS 84000-12-4)
- n-(2-Iodophenyl)methanesulfonamide (CAS 116547-92-3)
- N-(3-chloro-2,6-dimethoxybenzoyl)-N'-(2,3,4,5,6-pentafluorophenyl)urea (CAS 222540-41-2)
- tert-Butyl (2-amino-4-(tert-butyl)phenyl)carbamate (CAS 335013-37-1)
- (4E)-4-[1-(Dimethylamino)-2-(1H-1,2,4-triazol-1-yl)ethylidene]-2-phenyl-4,5-dihydro-1,3-oxazol-5-one (CAS 866010-29-9)
- D-[γ-Glu](Side Chain)-Semaglutide (CAS CATO-C4X-2226254)
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