2-Mercapto-3-methylthieno[2,3-d]pyrimidin-4(3H)-one CAS 554423-03-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 554423-03-9 |
| Molecular Formula | C7H6N2OS2 |
| Molecular Weight | 198.27 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
High-purity 2-Mercapto-3-methylthieno[2,3-d]pyrimidin-4(3H)-one (CAS 554423-03-9) pharmaceutical standards reference standard. Molecular formula: C7H6N2OS2. Molecular weight: 198.27 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.
Physical & Chemical Properties
| Molecular Formula | C7H6N2OS2 |
| Molecular Weight | 198.27 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) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1984 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 2 |
Related Mercapto Standards
- 2-Mercapto-5-methoxythiazolo[4,5-b]pyridine (CAS 1215206-53-3)
- 2-mercapto-3-methylthieno[3,2-d]pyrimidin-4(3H)-one (CAS 183170-82-3)
- 2-Mercapto-6-methylthieno[2,3-d]pyrimidin-4-ol (CAS 38201-63-7)
- 5-Ethyl-2-mercapto-6-propylpyrimidin-4-ol (CAS 16400-91-2)
- 5-Butyl-2-mercapto-6-methylpyrimidin-4-ol (CAS 29113-41-5)
- Methyl 2-mercapto-4-methoxybenzoate (CAS 104795-56-4)
- 4-Mercapto-3,5-dimethoxybenzaldehyde (CAS 1935536-43-8)
- 5-Mercapto-2-methoxy-4-methylbenzoic acid (CAS 439579-12-1)
Recommended Standards
- 2-{octahydropyrrolo[1,2-a]pyrazin-2-yl}acetohydrazide (CAS 827585-60-4)
- 2-{7-methylimidazo[1,2-a]pyrimidin-2-yl}acetamide (CAS 76075-31-5)
- 2-methyl-5-(propan-2-yl)-4H,7H-[1,2,4]triazolo[1,5-a]pyrimidin-7-one (CAS 879624-32-5)
- (5-Ethyl-2-methoxyphenyl)acetic acid (CAS 383134-25-6)
- LL-37 (H-7298.0005) (CAS 154947-66-7)
- Dydrogesterone Impurity 19 (CAS 74496-89-2)
- (6-Fluoroquinolin-3-yl)methanamine (CAS 1196146-75-4)
- (2-Ethyl-1H-imidazol-5-yl)methanol (CAS 72993-43-2)
- 1-Chloro-2-methyl-4-(methylsulfonyl)butane (CAS 1477793-42-2)
- Semaglutide Impurity 167 (CAS CATO-C4X-2226167)
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