2-Methyl-5,6,7,8-tetrahydrobenzo[4,5]thieno[2,3-d]pyrimidin-4(3H)-one CAS 19819-15-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 19819-15-9 |
| Molecular Formula | C11H12N2OS |
| Molecular Weight | 220.29 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
High-purity 2-Methyl-5,6,7,8-tetrahydrobenzo[4,5]thieno[2,3-d]pyrimidin-4(3H)-one (CAS 19819-15-9) pharmaceutical standards reference standard. Molecular formula: C11H12N2OS. Molecular weight: 220.29 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.
Physical & Chemical Properties
| Molecular Formula | C11H12N2OS |
| Molecular Weight | 220.29 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) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1962 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related Methyl Standards
- 3-(4,5,6,7-Tetrahydrobenzo[b]thiophen-2-yl)isoxazol-5-amine (CAS 1020955-92-3)
- 5-(4,5,6,7-Tetrahydrobenzo[b]thiophen-2-yl)isoxazol-3-amine (CAS 1470521-72-2)
- 7-Methyl-5,6,7,8-tetrahydrobenzo[4,5]thieno[2,3-d]pyrimidin-4(3H)-one (CAS 95211-71-5)
- 4-Ethyl-2,3,4,5-tetrahydrobenzo[f][1,4]oxazepine-7-carboxylic acid (CAS 1710845-70-7)
- 2-Methyl-5,6,7,8-tetrahydrobenzo[4,5]thieno[2,3-d]pyrimidin-4-amine (CAS 77373-45-6)
- 7-Methyl-5,6,7,8-tetrahydrobenzo[4,5]thieno[2,3-d][1,2,3]triazin-4-ol (CAS 496038-39-2)
- 5,6,7,8-Tetrahydrobenzo[4,5]thieno[2,3-d]pyrimidine-2,4(1H,3H)-dione (CAS 27285-09-2)
- N-(4,5,6,7-tetrahydrobenzo[d]thiazol-2-yl)cyclopropanecarboxamide (CAS 476278-60-1)
Recommended Standards
- 2-Methyl-5-((phenylthio)methyl)-1,2-dihydro-3H-pyrazol-3-one (CAS 318234-24-1)
- 2-Pyrrolidin-1-yl-1,3-benzothiazol-6-ol (CAS 855467-31-1)
- 2-Methyl-5-((4-methylthiazol-2-yl)amino)phenol (CAS 933045-63-7)
- 4-(2-(5-Cyclopropyl-1H-1,2,4-triazol-3-yl)ethyl)morpholine (CAS 1279213-74-9)
- N-(3-Aminophenyl)-2-(2-chlorophenoxy)propanamide (CAS 954265-38-4)
- (3-((4-Ethylpiperazin-1-yl)sulfonyl)phenyl)boronic acid (CAS 1704063-61-5)
- 4-Amino-3-(tert-butyl)benzamide (CAS 1369852-18-5)
- (4-Methyl-6-(phenylamino)pyridin-3-yl)(phenyl)methanone (CAS 1355204-77-1)
- 6-Hydroxy-3-methyl-5-phenyl-1-(p-tolyl)pyridazin-4(1H)-one (CAS 89314-17-0)
- Semaglutide Impurity 18 (CAS 1671100-14-3)
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