1-(3,4-Dimethylphenyl)-6-mercapto-1,5-dihydro-4H-pyrazolo[3,4-d]pyrimidin-4-one CAS 1105189-44-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1105189-44-3 |
| Molecular Formula | C13H12N4OS |
| Molecular Weight | 272.33 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 1-(3,4-Dimethylphenyl)-6-mercapto-1,5-dihydro-4H-pyrazolo[3,4-d]pyrimidin-4-one (CAS 1105189-44-3), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C13H12N4OS. Molecular weight: 272.33 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C13H12N4OS |
| Molecular Weight | 272.33 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) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1989 |
| Nitrogen Atoms | 4 |
| Sulfur Atoms | 1 |
Related Dimethylphenyl Standards
- 1-(2,3-Dimethylphenyl)-6-mercapto-1H-pyrazolo[3,4-d]pyrimidin-4(5H)-one (CAS 1416339-45-1)
- 1-(2,5-Dimethylphenyl)-6-mercapto-1H-pyrazolo[3,4-d]pyrimidin-4(5H)-one (CAS 1416340-80-1)
- 1-(2,4-Dimethylphenyl)-6-mercapto-1H-pyrazolo[3,4-d]pyrimidin-4(5H)-one (CAS 1416345-82-8)
- 3-(1-(2,5-Dimethylphenyl)-3,5-dimethyl-1H-pyrazol-4-yl)propanoic acid (CAS 1152954-60-3)
- 3-(1-(2,4-Dimethylphenyl)-3,5-dimethyl-1h-pyrazol-4-yl)propanoic acid (CAS 1154289-88-9)
- 3-(1-(3,4-Dimethylphenyl)-3,5-dimethyl-1h-pyrazol-4-yl)propanoic acid (CAS 1170027-28-7)
- 3-(1-(2,3-Dimethylphenyl)-3,5-dimethyl-1H-pyrazol-4-yl)propanoic acid (CAS 1225580-26-6)
- 3-(2,4-Dimethylphenyl)-1H,2H,3H,4H-thieno[3,2-d]pyrimidine-2,4-dione (CAS 1255776-62-5)
Recommended Standards
- 3,5-Dibromo-2-chloropyrazine (CAS 1082843-70-6)
- 1-Methyl-N-(2-methylbenzo[d]thiazol-5-yl)-1H-pyrazole-3-carboxamide (CAS 1172763-70-0)
- 1-(4-Ethoxyphenyl)-1H-pyrazolo[3,4-d]pyrimidine-4-thiol (CAS 1082437-06-6)
- 4-methyl-2-oxo-1H-pyrimidine-6-carboxylic acid (CAS 89640-83-5)
- Triflumizole Metabolite FM-6-1 (CAS 109849-99-2)
- Ethyl 1-cyclohexyl-5-methyl-1H-imidazole-4-carboxylate (CAS 1708254-92-5)
- 5-((4-Methoxycyclopenta-1,3-dien-1-yl)oxy)-2-(methylthio)pyrimidine (CAS 1245648-98-9)
- 4-Amino-2-benzylsulfanyl-pyrimidine-5-carbaldehyde (CAS 335318-29-1)
- 1-[3-(chloromethyl)benzoyl]piperidine (CAS 148583-64-6)
- Semaglutide impurity 201 (CAS CATO-C4X-2226201)
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