91-18-9
91-18-9 structure
- Name: Pteridine
- Chemical Name: pteridine
- CAS Number: 91-18-9
- Molecular Formula: C6H4N4
- Molecular Weight: 132.12300
- Create Date: 2018-10-01 19:05:20
- Modify Date: 2025-08-23 16:50:46
| Name | pteridine |
|---|---|
| Synonyms |
Pyrazino[2,3-d]pyrimidine
1,3,5,8-Tetraazanaphthalene 1,3,5,8-Tetraaza-naphthalin Pyrimido(4,5-b)pyrazine Azinepurine Pteridene |
| Density | 1.369g/cm3 |
|---|---|
| Boiling Point | 265ºC at 760 mmHg |
| Melting Point | 138-138.5°C (lit.) |
| Molecular Formula | C6H4N4 |
| Molecular Weight | 132.12300 |
| Flash Point | 124.7ºC |
| Exact Mass | 132.04400 |
| PSA | 51.56000 |
| LogP | 0.41980 |
| Index of Refraction | 1.68 |
| HS Code | 2933990090 |
|---|
|
~%
91-18-9 |
| Literature: Lonza Ltd. Patent: US4224446 A1, 1980 ; |
|
~82%
91-18-9 |
| Literature: Wong, Fung Fuh; Huang, Yu-Ying; Chang, Chun-Hsi Journal of Organic Chemistry, 2012 , vol. 77, # 19 p. 8492 - 8500 |
|
~%
91-18-9 |
| Literature: Albert et al. Journal of the Chemical Society, 1951 , p. 474,478 Journal of the Chemical Society, 1952 , p. 4219,4224 |
|
~%
91-18-9 |
| Literature: Davis, Kenneth R.; Wolfenden, Richard Journal of Organic Chemistry, 1983 , vol. 48, # 13 p. 2280 - 2281 |
|
~%
91-18-9 |
| Literature: Davis, Kenneth R.; Wolfenden, Richard Journal of Organic Chemistry, 1983 , vol. 48, # 13 p. 2280 - 2281 |
|
~%
91-18-9 |
| Literature: Davis, Kenneth R.; Wolfenden, Richard Journal of Organic Chemistry, 1983 , vol. 48, # 13 p. 2280 - 2281 |
|
~%
91-18-9 |
| Literature: Albert et al. Journal of the Chemical Society, 1951 , p. 474,478 Journal of the Chemical Society, 1952 , p. 4219,4224 |
| Precursor 9 | |
|---|---|
| DownStream 2 | |
| 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% |