| 
Code No | Chemical Name | FEMA | CAS | 
| JT1001 | Pyrazine | 4015 | 290-37-9 | 
| JT1002 | 2-Methyl Pyrazine | 3309 | 109-08-0 | 
| JT1003 | 2,3-Dimethyl pyrazine | 3271 | 5910-89-4 | 
| JT1004 | 2,5-Dimethyl pyrazine | 3272 | 123-32-0 | 
| JT1005 | 2,6-Dimethyl pyrazine | 3273 | 108-50-9 | 
| JT1006 | 2,3,5-Trimethyl pyrazine | 3244 | 14667-55-1 | 
| JT1007 | 2,3,5,6-Tetramethyl pyrazine | 3237 | 1124-11-4 | 
| JT1009 | 2-Ethyl pyrazine | 3281 | 13925-00-3 | 
| JT1010 | 2-Ethyl-3-methyl pyrazine | 3155 | 15707-23-0 | 
| JT1011 | 2-Ethyl-3,(5 or 6)-dimethyl pyrazine | 3149 | 27043-05-6 | 
| JT1012 | 2,3-Diethyl pyrazine | 3136 | 15707-24-1 | 
| JT1013 | 2,3 -Diethyl -5 -methyl pyrazine | 3336 | 18138-04-0 | 
| JT1018 | 2-Methoxy pyrazine | 3302 | 3149-28-8 | 
| JT1020 | 2-Methylthio pyrazine | 3231 | 21948-70-9 | 
| JT1022 | 2 -Methoxy -3 -methyl pyrazine | 3183 | 2847-30-5 | 
| JT1023 | 2-,5or6-Methoxy-3- methylpyrazine | 3183 | 2847-30-5 | 
| JT1024 | 2-Methyl-3-ethoxy pyrazine | 3569 | 32737-14-7 | 
| JT1025 | 2-Methyl-3(5or6)- ethoxy pyrazine | 3569 | 32737-14-7 | 
| JT1026 | 2-Methylthio-3- methyl pyrazine | 3208 | 2882-20-4 | 
| JT1027 | 2-Methyl-3(5or6)- (methylthio)pyrazine | 3208 | 67952-65-2 |