4-(Ethylthio)-5-mercapto-2-methylpyridazin-3(2H)-one CAS 72039-20-4
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 72039-20-4 |
| Molecular Formula | C7H10N2OS2 |
| Molecular Weight | 202.30 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-(Ethylthio)-5-mercapto-2-methylpyridazin-3(2H)-one (CAS 72039-20-4) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C7H10N2OS2. Molecular weight: 202.30 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C7H10N2OS2 |
| Molecular Weight | 202.30 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) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1977 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 2 |
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Recommended Standards
- 4-(Diisopropylamino)benzonitrile (CAS 282118-97-2)
- 4-BENZYL-1,4-DIAZABICYCLO[3.2.1]OCTANE (CAS 675589-81-8)
- 4-(Adamantan-1-yl)-1H-pyrazole (CAS 84396-62-3)
- 3-Bromo-5-(2-methoxyethoxy)benzaldehyde (CAS 1160184-91-7)
- Methyl 2-(3-azetidinyloxy)benzoate (CAS 1220038-61-8)
- 3-Acetamido-4-methylphenyl acetate (CAS 220139-79-7)
- Ethyl 2-amino-2-hydrazonoacetate (CAS 53085-26-0)
- 1-(3-(3,4-Dihydro-2H-pyrrol-5-yl)pyridin-2-yl)piperazine (CAS 1352519-33-5)
- 2-Chloro-4-fluorobenzenesulfonamide (CAS 69156-30-5)
- Tirzepatide Impurity 11 TFA salt (CAS CATO-C4X-324011)
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