Tracklist
| A1 | Official Chemical (Dub Pistols Vocal Mix Extended) | 6:33 |
| A2 | Official Chemical (Dub Pistols Vocal Mix Edit) | 3:26 |
| B | Official Chemical (Dub Pistols Dub Mix) | 7:04 |
Other versions
| Category | Artist | Title (Format) | Label | Category | Country | Year |
|---|---|---|---|---|---|---|
| 069497648 2 | Dub Pistols | Official Chemical (CD, Maxi) | Geffen Records | 069497648 2 | US | 2001 |
| none | Dub Pistols | Official Chemical (CDr, Single, Promo, Pap) | Distinct'ive Records | none | UK | 2004 |
| 0694976071 | Dub Pistols | Official Chemical (12") | Geffen Records | 0694976071 | US | 2001 |
| A151157-01 | Dub Pistols | Official Chemical (CD, Maxi, Pro) | Interscope Records | A151157-01 | Germany | 2004 |
| 694976061 | Dub Pistols | Official Chemical (12") | Geffen Records | 694976061 | US | 2001 |
