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  Heterocyclic Compounds   - sorted by CAS number 

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Material Name

CAS #

FEMA#

4,5-Dihydro-3(2H)thiophenone 1003-04-9 3266
Benzylmercaptan                           100-53-8 2147
2-Acetylpyrrole                       1072-83-9 3202
2,6- Dimethylpyrazine          108-50-9 3273
2-Methylpyrazine              109-08-0 3309
2-Acetylpyridine                           1122-62-9 3251
2,3,5,6-Tetramethylpyrazine          1124-11-4 3237
1,6-Hexanedithiol            1191-43-1 3495
2-Acetylfuran                           1192-62-7 3163
2-Acetyl-5-methyl furan            1193-79-9 3609
2,5-Dimethylpyrazine          123-32-0 3272
Ethyl 3-(methylthio)-propionate        13327-56-5 3343
2-Ethyl-3,6-dimethylpyrazine 13360-65-1  
Methyl 3-(methylthio)-propionate       13532-18-8 2720
2,4,5-Trimethylthiazole                  13623-11-5 3325
Difurfuryl sulfide            13678-67-6 3238
Furfuryl thioacetate           13678-68-7 3162
Methyl thiofuroate            13679-61-3 3311
4-Methyl-5-beta-hydroxyethyl thiazole 137-00-8 3204
2-Ethylpyrazine               13925-00-3 3281
2-Ethyl-3,5-dimethylpyrazine 13925-07-0  
Furfuryl methyl sulfide                    1438-91-1 3160
2-Ethoxypyridine 14529-53-4  
2-Methoxythiazole                      14542-13-3   
2,3,5-Trimethylpyrazine              14667-55-1 3244
2-Ethyl-4-methylthiazole                 15679-12-6 3680
2-Isopropyl-4-methylthiazole             15679-13-7 3555
2-Ethoxythiazole                        15679-19-3 3340
2-Ethyl-3-methylpyrazine 15707-23-0 3155
2,3-Diethylpyrazine             15707-24-1 3136
2,3-Dimethyl-5-ethylpyrazine 15707-34-3  
2,3-Dimethyl-5-isobutylpyrazine 15834-78-3  
1,2-Butanedithiol                           16128-68-0 3528
2-Methoxypyridine 1628-89-3  
2,3-Diethyl-5-methylpyrazine     18138-04-0 3336
2-Methylthiopyridine 18438-38-5  
2-Isobutylthiazole                       18640-74-9 3134
2-Acetylpyrazine                22047-25-2 3126
Propyl thioacetate            2307-10-0 3385
2-Acetyl-3-methylpyrazine                   23787-80-6  
2-sec-Butyl-3-methoxy-pyrazine 24168-70-5 3433
2-Acetylthiazole                       24295-03-2 3328
3-Isobutyl-2-methoxypyrazine 24683-00-9 3132
3-Acetyl-2,5-dimethylthiophene               2530-10-1 3527
2-Methoxy-3-methylpyrazine  2847-30-5 3183
2-Methoxy-5-methylpyrazine 2882-22-6  
2-Methoxy-6-methylpyrazine 2882-21-5  
2-Methyl-3-mercapto-furan     28588-74-1 3188
bis(2-Methyl-3-furyl)disulfide  28588-75-2 3259
2-(Methylthio)-3-methylpyrazine 2884-20-4  
2-(Methylthio)-5-methylpyrazine 2884-14-2  
2-(Methylthio)-6-methylpyrazine 2884-13-1  
2-Methoxypyrazine                3149-28-8 3302
2-Methyltetrahydrofuran-3-one                3188-00-9 3373
2,3-Dimethyl-5-sec-butylpyrazine 32263-00-6  
3-(Methylthio)propionaldehyde 3268-49-3 2747
2-Ethoxy-3-methylpyrazine 32737-14-7 3569
2-Acetyl-3-ethylpyrazine               32974-92-8 3250
1-Octen-3-ol                  3391-86-4 2805
5,6,7,8-Tetrahydroquinoxaline            34413-35-9 3321
2-Ethoxy-3-ethylpyrazine 35243-43-7  
Diethyl sulfide 352-93-2  
2-Methythiazole 3581-87-1  
4,5-Dimethythiazole                    3581-91-7 3274
2-Mercapto-3-butanol                   37887-04-0 3502
2-Ethoxypyrazine 38028-67-0  
2,4-Dimethyl-5-acetylthiazole             38205-60-6 3267
n-Ethyl-2-acetylpyrrole                    39741-41-8 3147
3-Mercapto-2-butanone         40789-98-8 3298
2,3-Dimethyl-5-isopropylpyrazine 40790-21-4  
2-Phenglethyl mercaptan                     4410-99-5 3894
Difurfuryl disulfide          4437-20-1 3146
2,3-Butanedithiol                           4532-64-3 3477
3-(Methylthio)-1-propanol                 505-10-2 3415
2-Methylthiothiazole 5053-24-7  
2,4-Dimethythiazole 541-58-2  
2-Acetyl-3,5-dimethylpyrazine       54300-08-2 3327
2-Acetyl-3,6-dimethylpyrazine  54300-09-3  
Dibutyl sulfide                          544-40-1 2215
2,5-Dimethyl-2,5-dihydroxy-1,4-dithiane 55704-78-4 3450
Furfuryl thiopropionate        59020-85-8 3347
Furfuryl thioformate             
2-Furanmethanethiol formate              59020-90-5 3185
2-Mercaptomethylpyrazine      59021-02-2 3299
2,3-Dimethyl pyrazine                 5910-89-4 3271
Diallyl sulfide                           592-88-1 2042
2-Isobutyl-4-methylthiazole 61323-24-8  
5-Methylfurfural                      620-02-0 2702
Furfuryl acetate                    623-17-6 2490
Methyl ethyl sulfide                       624-89-5 3860
Dimethyl disulfide                624-92-0 3536
Ethyl thioacetate             625-60-5 3282
2-Methyl-3-(methylthio)-furan             63012-97-5 3949
Methyl-2-methyl-3-furyl disulfide 65505-17-1 3573
2-Methyl-3,5 or 6-(Furfurylthio)pyrazine 65530-53-2 3189
4-Methyl-5-beta-acetoxyethyl thiazole 656-53-1 3205
4-Methythiazole                       693-95-8 3716
2-(Methylthio)-3-ethylpyrazine 72987-62-3  
Dimethyl sulfide                  75-18-3 2746
2-Acetyl thiophene 88-15-3  
1-Methyl-2-acetylpyrrole               932-16-1 3184
Furfuryl mercaptan              98-02-2 2493
2,3,5,6-Tetramethyl-6-ethylpyrazine    
2,3,5,-Tetramethyl-6-isobutylpyrazine    
2,3,5,-Tetramethyl-6-isopropylpyrazine    
2,3,5,-Tetramethyl-6-sec-butylpyrazine    
2-Furfurylthiothiazole    
5-Acetyl-2,3-dimethylthiophene    
Benzyl aldehyde dimethyl thiol acetate    

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