3-(4-Methoxyphenyl)-3H,4H-thieno[2,3-d]pyrimidin-4-one CAS 338750-50-8
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 338750-50-8 |
| Molecular Formula | C13H10N2O2S |
| Molecular Weight | 258.30 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
3-(4-Methoxyphenyl)-3H,4H-thieno[2,3-d]pyrimidin-4-one (CAS 338750-50-8) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C13H10N2O2S. Molecular weight: 258.30 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C13H10N2O2S |
| Molecular Weight | 258.30 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.) | 2025 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related Methoxyphenyl Standards
- 1-(3-Methoxyphenyl)-1H-pyrazolo[3,4-d]pyrimidine-4-thiol (CAS 1082367-21-2)
- 1-(4-Methoxyphenyl)-1H-pyrazolo[3,4-d]pyrimidine-4-thiol (CAS 1082437-05-5)
- 6-(4-Methoxyphenyl)imidazo[2,1-b]thiazole-5-carbaldehyde (CAS 134670-26-1)
- 5-(4-methoxyphenyl)-3H,4H-thieno[2,3-d]pyrimidin-4-one (CAS 17537-76-7)
- 5-(3-Methoxyphenyl)thieno[2,3-d]pyrimidin-4(3H)-one (CAS 282104-83-0)
- 6-((2-Methoxyphenyl)thio)-1H-purine (CAS 646510-04-5)
- 6-((3-Methoxyphenyl)thio)-1H-purine (CAS 646510-06-7)
- 6-((4-Methoxyphenyl)thio)-1H-purine (CAS 646510-08-9)
Recommended Standards
- 3-(2-Amino-5-methylthiazol-4-yl)-2H-chromen-2-one (CAS 422272-41-1)
- 3-(Furan-2-ylmethyl)-2-sulfanyl-3,4-dihydroquinazolin-4-one (CAS 333785-55-0)
- 2-Cyano-n-phenylbenzene-1-sulfonamide (CAS 69360-16-3)
- Methyl 1,2,3,4-tetrahydroquinoline-5-carboxylate hydrochloride (CAS 1334147-75-9)
- 1-(5-Bromopentyl)pyrrolidine (CAS 1339473-84-5)
- 1-Butyl-1-methylpyrrolidinium Trifluoromethanesulfonate (CAS 367522-96-1)
- 1,1'-Bis(4-cyanophenyl)-[4,4'-bipyridine]-1,1'-diium,hexafluorophosphate(V)(1:2) (CAS 1507403-57-7)
- 2-methyl-4-oxo-N-pyridin-2-yl-3,4-dihydro-2H-1,2-benzothiazine-3-carboxamide 1,1-dioxide (CAS 1488516-58-0)
- Vanadyl 2,11,20,29-tetra-tert-butyl-2,3-naphthalocyanine (CAS 105011-00-5)
- Semaglutide impurity 195 (CAS CATO-C4X-2226195)
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