2-(2-Methoxyphenyl)-7-methyl-5H-[1,3,4]thiadiazolo[3,2-a]pyrimidin-5-one CAS 81516-39-4
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 81516-39-4 |
| Molecular Formula | C13H11N3O2S |
| Molecular Weight | 273.31 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2-(2-Methoxyphenyl)-7-methyl-5H-[1,3,4]thiadiazolo[3,2-a]pyrimidin-5-one (CAS 81516-39-4) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C13H11N3O2S. Molecular weight: 273.31 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C13H11N3O2S |
| Molecular Weight | 273.31 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.) | 1980 |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
Related Methoxyphenyl Standards
- 3-(N-(3-methoxyphenyl)sulfamoyl)-2-methylpropanoic acid (CAS 1018528-60-3)
- N-(3-methoxyphenyl)-N-(methylsulfonyl)-L-alanine (CAS 1049810-59-4)
- 4-(3-Methoxyphenyl)-2-(methylthio)-6-oxo-1,6-dihydropyrimidine-5-carbonitrile (CAS 128640-73-3)
- 1-(4-Methoxyphenyl)-6-(methylthio)-4-oxo-1,4-dihydropyrimidine-5-carbonitrile (CAS 950272-26-1)
- 4-[(4-Methoxyphenyl)sulfanyl]-3-methyl-[1,2]oxazolo[5,4-d]pyrimidine (CAS 478045-21-5)
- 4-{[(4-Methoxyphenyl)sulfonyl]amino}butanoic acid (CAS 81242-26-4)
- 7-(3-Methoxyphenyl)-2-methylthiazolo[4,5-d]pyridazin-4-ol (CAS 941868-58-2)
- 7-(4-Methoxyphenyl)-2-methylthiazolo[4,5-d]pyridazin-4-ol (CAS 941868-60-6)
Recommended Standards
- 2-(2-Methoxyethyl) 4-methyl 5-amino-3-methylthiophene-2,4-dicarboxylate (CAS 670271-10-0)
- 2-(4-(N,N-dimethylsulfamoyl)-2-methylphenoxy)acetic acid (CAS 29148-95-6)
- 2-(2-Hydroxyphenyl)-3-(pyrimidin-2-yl)thiazolidin-4-one (CAS 821782-80-3)
- 2-Bromo-6-cyano-4-(difluoromethyl)benzoic acid (CAS 1806847-57-3)
- 2-(1-NAphthyl)azepane oxalate (2:1) (CAS 1415819-80-5)
- Methyl 2-chloro-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzoate (CAS 625470-33-9)
- (2,2-dimethyl-1,3-benzodioxol-4-yl) N-methyl-N-propanoyl-carbamate 53348-04-2 A829530 N-methyl-N-(1-oxopropyl)carbamic acid (2,2-dimethyl-1,3-benzodioxol-4-yl) ester (CAS 53348-04-2)
- (E)-2-Methoxy-4-(2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)vinyl)phenol (CAS 1618099-61-8)
- 4-[bis(2-chloroethyl)amino]benzonitrile (CAS 71601-35-9)
- Des-Pro36-Tirzepatide (CAS CATO-CPTD788937)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 13829788188 / jacky.chen@cato-chem.com