2278-16-2
2278-16-2 structure
- Name: 3,4,6-Trimethyl-3,4-dihydro-5H-1,2,3-triazolo[4,5-d]pyrimidine-5,7(6H)-dione
- Chemical Name: 3,4,6-trimethyltriazolo[4,5-d]pyrimidine-5,7-dione
- CAS Number: 2278-16-2
- Molecular Formula: C7H9N5O2
- Molecular Weight: 195.17900
- Create Date: 2017-11-14 10:52:53
- Modify Date: 2025-08-25 13:55:05
| Name | 3,4,6-trimethyltriazolo[4,5-d]pyrimidine-5,7-dione |
|---|---|
| Synonyms |
1,3,9-Trimethyl-8-azaxanthin
3,4,6-trimethyl-5,7-dioxo-4,5,6,7-tetrahydro-1,2,3-triazolo<4,5-d>9-methyl-8-azatheophylline 5,7-Dioxo-3,4,6-trimethyl-4,5,6,7-tetrahydro-3H-vic.-triazolo<-pyrimidin 1,3,9-trimethyl-8-azaxanthine 3-methyl-8-aza-theophylline |
| Density | 1.59g/cm3 |
|---|---|
| Boiling Point | 381.7ºC at 760mmHg |
| Molecular Formula | C7H9N5O2 |
| Molecular Weight | 195.17900 |
| Flash Point | 184.7ºC |
| Exact Mass | 195.07600 |
| PSA | 74.71000 |
| Vapour Pressure | 4.97E-06mmHg at 25°C |
| Index of Refraction | 1.732 |
| HS Code | 2933990090 |
|---|
|
~67%
2278-16-2 |
| Literature: Nagamatsu, Tomohisa; Islam, Rafiqul Heterocycles, 2006 , vol. 68, # 9 p. 1811 - 1820 Title/Abstract Full Text View citing articles Show Details Islam, Rafiqul; Nagamatsu, Tomohisa Synthesis, 2006 , # 24 p. 4167 - 4179 |
| 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% |