4-(3-(4-(Methylthio)phenyl)-1,2,4-oxadiazol-5-yl)-2-(p-tolyl)phthalazin-1(2H)-one CAS 1291832-21-7
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1291832-21-7 |
| Molecular Formula | C24H18N4O2S |
| Molecular Weight | 426.49 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-(3-(4-(Methylthio)phenyl)-1,2,4-oxadiazol-5-yl)-2-(p-tolyl)phthalazin-1(2H)-one (CAS 1291832-21-7) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C24H18N4O2S. Molecular weight: 426.49 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C24H18N4O2S |
| Molecular Weight | 426.49 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°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) | 18.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1990 |
| Nitrogen Atoms | 4 |
| Sulfur Atoms | 1 |
Related Methylthio Standards
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- 2-(2-(Methylthio)pyrimidin-4-yl)-1-(1-(phenylsulfonyl)-1H-pyrrolo[2,3-b]pyridin-5-yl)ethan-1-one (CAS 1111638-52-8)
- 2-(Methylthio)-5-(tributylstannyl)thiazole (CAS 157025-34-8)
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Recommended Standards
- 5-Fluoro-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1-(triisopropylsilyl)-1H-pyrrolo[2,3-b]pyridine (CAS 1241950-72-0)
- 2-(3-Methylphenyl)-4-{3-[4-(methylsulfanyl)phenyl]-1,2,4-oxadiazol-5-yl}-1,2-dihydrophthalazin-1-one (CAS 1291834-70-2)
- 2-(2-((4,6-Dimethylpyrimidin-2-yl)amino)thiazol-4-yl)-1-(4-(furan-2-carbonyl)piperazin-1-yl)ethan-1-one (CAS 1226428-66-5)
- Fmoc-Tyr(PO(NMe₂)₂)-OH (CAS 172611-23-3)
- 2-Acetyl-4H-chromen-4-one (CAS 65844-02-2)
- Polixetonium Chloride (CAS 31512-74-0)
- 4-Methyl-2,1,3-benzoxadiazole (CAS 29091-40-5)
- L-Arginine xhydrochloride (CAS 15595-35-4)
- 4-Methyl-2-morpholinone (CAS 18424-96-9)
- Liraglutide-d8 Tritrifluoroacetate (CAS CATO-C4X-199223)
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