- HCOH (hydroxymethylene)
- HOCH
- carbon monoxide
- 153929-54-5
- 155399-52-3
- 162342-48-5
- 167416-30-0
- 18421-60-8
- 192819-80-0
- 82063-46-5
- 630-08-0
- c0369
- monoxide
- C00237
- C#O
- CHEBI:17245
- [CO]
- carbon(II) oxide
- 60870_FLUKA
- CMO
- Carbon monoxide 10% by volume or more
- Carbon monoxide, compressed [UN1016] [Poison gas]
- Carbon monoxide, refrigerated liquid (cryogenic liquid) [NA9202] [Poison gas]
- Carbon oxide (CO)
- Carbone (oxyde de) [French]
- Carbonic oxide
- carbon monooxide
- carbon monoxide
- Exhaust gas
- Flue gas
- HSDB 903
- Kohlenmonoxid [German]
- Kohlenoxyd [German]
- Koolmonoxyde [Dutch]
- NA9202
- Oxyde de carbone [French]
- UN1016
- Wegla tlenek [Polish]
- 295116_ALDRICH
- CARBON-MONOXIDE
- Carbonio (ossido di) [Italian]
- EINECS 211-128-3