21579-42-0
21579-42-0 structure
- Name: Pyrimido[4,5-d]pyridazin-4(3H)-one (8CI)
- Chemical Name: 1H-pyrimido[4,5-d]pyridazin-4-one
- CAS Number: 21579-42-0
- Molecular Formula: C6H4N4O
- Molecular Weight: 148.12200
- Create Date: 2018-11-24 08:43:00
- Modify Date: 2025-08-25 10:48:35
| Name | 1H-pyrimido[4,5-d]pyridazin-4-one |
|---|---|
| Synonyms | 3H-Pyrimido<4,5-d>pyridazin-4-on |
| Molecular Formula | C6H4N4O |
|---|---|
| Molecular Weight | 148.12200 |
| Exact Mass | 148.03900 |
| PSA | 71.79000 |
| LogP | 0.12540 |
| HS Code | 2933990090 |
|---|
| 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% |