| Acetal | Acetal | Ernesto Ventos SA | 2002 | 105-57-7 |
| Acetaldehyde ethyl (Z)-3-hexenyl acetal | Acetaldehyde ethyl (Z)-3-hexenyl acetal | Ernesto Ventos SA | 3775 | 28069-74-1 |
| Acetaldehyde ethyl phenylethyl acetal | Acetaldehyde ethyl phenylethyl acetal | Ernesto Ventos SA | | 2556-10-7 |
| Acetaldehyde phenylethyl propyl acetal | Acetaldehyde phenylethyl propyl acetal | Ernesto Ventos SA | 2004 | 7493-57-4 |
| Acetanisole | Acetanisole | Ernesto Ventos SA | 2005 | 100-06-1 |
| Acetanisole | Acetanisole | Ernesto Ventos SA | 2005 | 100-06-1 |
| Acetanisole | Acetanisole | Ernesto Ventos SA | 2005 | 100-06-1 |
| Acetic acid (cyclohexyloxy)-2-propenylester | Acetic acid (cyclohexyloxy)-2-propenylester | Ernesto Ventos SA | | 68901-15-5 |
| Acetoin | Acetoin | Ernesto Ventos SA | 2008 | 513-86-0 |
| Acetophenone | Acetophenone | Ernesto Ventos SA | 2009 | 98-86-2 |
| 4-Acetoxy-2,5-dimethyl-3(2H)furanone | 4-Acetoxy-2,5-dimethyl-3(2H)furanone | Ernesto Ventos SA | 3797 | 4166-20-5 |
| 4-Acetoxy-2,5-dimethyl-3(2H)furanone | 4-Acetoxy-2,5-dimethyl-3(2H)furanone | Ernesto Ventos SA | 3797 | 4166-20-5 |
| 4-Acetoxy-2,5-dimethyl-3(2H)furanone | 4-Acetoxy-2,5-dimethyl-3(2H)furanone | Ernesto Ventos SA | 3797 | 4166-20-5 |
| Acetoxymethyl-isolongifolene | Acetoxymethyl-isolongifolene | Ernesto Ventos SA | | 59056-62-1 |
| 4-Acetyl-6-t-butyl-1,1-dimethylindane | 4-Acetyl-6-t-butyl-1,1-dimethylindane | Ernesto Ventos SA | 3653 | 13171-00-1 |
| Acetylcedrene | Acetylcedrene | Ernesto Ventos SA | | 32388-55-9 |
| Acetyl diisoamylene | Acetyl diisoamylene | Ernesto Ventos SA | | 81786-73-4 |
| 7-Acetyl-1,1,3,4,4,6-hexamethyltetralin | 7-Acetyl-1,1,3,4,4,6-hexamethyltetralin | Ernesto Ventos SA | | 1506-02-1 |
| Acetylpropionyl | Acetyl propionyl | Ernesto Ventos SA | 2841 | 600-14-6 |
| Acetylpropionyl | Acetyl propionyl | Ernesto Ventos SA | 2841 | 600-14-6 |
| 2-Acetylpyrazine | 2-Acetylpyrazine | Ernesto Ventos SA | 3126 | 22047-25-2 |
| 2-Acetylpyridine | 2-Acetylpyridine | Ernesto Ventos SA | 3251 | 1122-62-9 |
| Acetyl thymol | Acetyl thymol | Ernesto Ventos SA | | 528-79-0 |
| Alcohol TCD DM | Muscomer 6819 P | Ernesto Ventos SA | | 26160-83-8 |
| Alcohol TCD DM | Muscomer 6819 P | Ernesto Ventos SA | | 26160-83-8 |
| Allyl amylglycolate | Allyl amylglycolate | Ernesto Ventos SA | | 67634-00-8 |
| Allyl cyclohexylpropionate | Allyl cyclohexylpropionate | Ernesto Ventos SA | 2026 | 2705-87-5 |
| Allyl disulfide nature identical | Allyl disulfide nature identical | Ernesto Ventos SA | 2028 | 2179-57-9 |
| Allyl heptanoate | Allyl heptanoate | Ernesto Ventos SA | 2031 | 142-19-8 |
| Allyl hexanoate | Allyl hexanoate | Ernesto Ventos SA | 2032 | 123-68-2 |
