16951-33-0
- Name: 3-Amino-2-mercapto-3H-quinazolin-4-one
- Chemical Name: 3-Amino-2-thioxo-2,3-dihydroquinazolin-4(1H)-one
- CAS Number: 16951-33-0
- Molecular Formula: C8H7N3OS
- Molecular Weight: 193.226
- Create Date: 2018-12-20 09:13:59
- Modify Date: 2025-08-25 17:37:56
| Name | 3-Amino-2-thioxo-2,3-dihydroquinazolin-4(1H)-one |
|---|---|
| Synonyms |
3-amino-2-sulfanylidene-1H-quinazolin-4-one
4(1H)-Quinazolinone, 3-amino-2,3-dihydro-2-thioxo- 3-amino-2-sulfanylquinazolin-4(3H)-one 3-Amino-2-thioxo-2,3-dihydro-4(1H)-quinazolinone 3-Amino-2-mercapto-3H-quinazolin-4-one 3-amino-2-mercaptoquinazolin-4(3H)-one |
| Density | 1.6±0.1 g/cm3 |
|---|---|
| Boiling Point | 372.9±25.0 °C at 760 mmHg |
| Molecular Formula | C8H7N3OS |
| Molecular Weight | 193.226 |
| Flash Point | 179.3±23.2 °C |
| Exact Mass | 193.030975 |
| PSA | 99.71000 |
| LogP | 0.87 |
| Vapour Pressure | 0.0±0.8 mmHg at 25°C |
| Index of Refraction | 1.780 |
| HS Code | 2933990090 |
|---|
|
~87%
16951-33-0 |
| Literature: Alagarsamy, Veerachamy; Muthukumar, Veluchamy; Pavalarani, Nagendran; Vasanthanathan, Poongavanam; Revathi, Rajappan Biological and pharmaceutical bulletin, 2003 , vol. 26, # 4 p. 557 - 559 |
|
~%
16951-33-0 |
| Literature: Bioorganic and Medicinal Chemistry, , vol. 15, # 10 p. 3457 - 3462 |
|
~75%
16951-33-0 |
| Literature: Liu; Hu Archiv der Pharmazie, 1987 , vol. 320, # 2 p. 166 - 171 |
|
~95%
16951-33-0 |
| Literature: Rusu, G. G.; Koval', D.; Gutsu, Ya. E.; Barba, N. A. Chemistry of Heterocyclic Compounds (New York, NY, United States), 1995 , vol. 31, # 7 p. 873 - 874 Khimiya Geterotsiklicheskikh Soedinenii, 1995 , # 7 p. 1001 - 1002 |
|
~70%
16951-33-0 |
| Literature: Gakhar, H. K.; Gupta, S. C.; Kumar, Naresh Indian Journal of Chemistry, Section B: Organic Chemistry Including Medicinal Chemistry, 1981 , vol. 20, # 1 p. 14 - 16 |
|
~%
16951-33-0 |
| Literature: Bioorganic and Medicinal Chemistry, , vol. 15, # 10 p. 3457 - 3462 |
|
~%
16951-33-0 |
| Literature: Archiv der Pharmazie, , vol. 320, # 2 p. 166 - 171 |
|
~%
16951-33-0 |
| Literature: Pharmaceutica Acta Helvetiae, , vol. 74, # 1 p. 11 - 17 |
|
~%
16951-33-0 |
| Literature: Indian Journal of Chemistry, Section B: Organic Chemistry Including Medicinal Chemistry, , vol. 20, # 1 p. 14 - 16 |
| Precursor 8 | |
|---|---|
| DownStream 6 | |
![3-benzoyl-2-phenyl-4H-pyrazolo[5,1-b]quinazolin-9-one structure](https://image.chemsrc.com/caspic/464/1329020-20-3.png)
![2-phenyl-1H-pyrazolo[5,1-b]quinazolin-9-one structure](https://image.chemsrc.com/caspic/368/121007-08-7.png)
| HS Code | 2933990090 |
|---|---|
| Summary | 2933990090. heterocyclic compounds with nitrogen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |