octadecanal

362,296 routes · scope human · up to 3 steps · built 5 October 2026 · Reactions · API

79 compounds within 3 steps: 1 in 1, 6 in 2, 72 in 3

One step

octadecanoateReach from here →
1. H2O[r] + NAD+[r] + octadecanal[r] = 2 H+[r] + NADH[r] + stearate[r]
Catalysed by ALDH3A2endoplasmic reticulumOne of 3 routes

Two steps

fatty acidReach from here →
1. H2O[r] + NAD+[r] + octadecanal[r] = 2 H+[r] + NADH[r] + stearate[r]
2. (10Z)-heptadecenoic acid formation
Catalysed by ALDH3A2endoplasmic reticulum, cytosolOne of 4 routes
octadecanoyl-CoAReach from here →
1. H2O[r] + NAD+[r] + octadecanal[r] = 2 H+[r] + NADH[r] + stearate[r]
2. long-chain-fatty-acid-CoA ligase (stearate)
Catalysed by ALDH3A2, SLC27A2, ACSL4, ACSL3 and 4 moreendoplasmic reticulum, cytosolOne of 6 routes
(R)-2-hydroxyoctadecanoateReach from here →
1. H2O[r] + NAD+[r] + octadecanal[r] = 2 H+[r] + NADH[r] + stearate[r]
2. octadecanoate + 2 Fe(II)-[cytochrome b5] + O2 + 2 H(+) = (R)-2-hydroxyoctadecanoate + 2 Fe(III)-[cytochrome b5] + H2O
Catalysed by ALDH3A2, FA2Hendoplasmic reticulum
N-octadecanoylsphing-4-enineReach from here →
1. H2O[r] + NAD+[r] + octadecanal[r] = 2 H+[r] + NADH[r] + stearate[r]
2. N-octadecanoylsphing-4-enine + H2O = sphing-4-enine + octadecanoate
Catalysed by ALDH3A2, ASAH1, ACER2, ASAH2endoplasmic reticulum
1-octadecanoyl-2-(9Z-octadecenoyl)-sn-glycerolReach from here →
1. H2O[r] + NAD+[r] + octadecanal[r] = 2 H+[r] + NADH[r] + stearate[r]
2. 1-octadecanoyl-2-(9Z-octadecenoyl)-sn-glycerol + H2O = 2-(9Z-octadecenoyl)-glycerol + octadecanoate + H(+)
Catalysed by ALDH3A2, ABHD11endoplasmic reticulum
1-octadecanoyl-2-(4Z,7Z,10Z,13Z,16Z,19Z-docosahexaenoyl)-sn-glycerolReach from here →
1. H2O[r] + NAD+[r] + octadecanal[r] = 2 H+[r] + NADH[r] + stearate[r]
2. 1-octadecanoyl-2-(4Z,7Z,10Z,13Z,16Z,19Z-docosahexaenoyl)-sn-glycerol + H2O = 2-(4Z,7Z,10Z,13Z,16Z,19Z-docosahexaenoyl)-glycerol + octadecanoate + H(+)
Catalysed by ALDH3A2, ABHD11endoplasmic reticulum

Three steps

CHEBI:1146900Reach from here →
Catalysed by ALDH3A2, SLC27A2, ACSL4, ACSL3 and 9 moreendoplasmic reticulum, cytosolOne of 11 routes
N-octadecanoylglycineReach from here →

Catalysed by ALDH3A2, SLC27A2, ACSL4, ACSL3 and 5 moreendoplasmic reticulum, cytosol

an N-octadecanoyl-sphingoid baseReach from here →

Catalysed by ALDH3A2, SLC27A2, ACSL4, ACSL3 and 5 moreendoplasmic reticulum, cytosol

(7Z)-octadecenoyl-CoAReach from here →

Catalysed by ALDH3A2, SLC27A2, ACSL4, ACSL3 and 6 moreendoplasmic reticulum, cytosol

palmitoyl-CoAReach from here →

Catalysed by ALDH3A2, SLC27A2, ACSL4, ACSL3 and 8 moreendoplasmic reticulum, cytosol, peroxisome

oleoyl-CoAReach from here →

Catalysed by ALDH3A2, SLC27A2, ACSL4, ACSL3 and 5 moreendoplasmic reticulum, cytosolOne of 3 routes

hexadecanoic acidReach from here →

Catalysed by ALDH3A2endoplasmic reticulum, cytosol, extracellular spaceOne of 12 routes

cholesterolReach from here →

Catalysed by ALDH3A2, ASAH1, ACER2, ASAH2 and 1 moreendoplasmic reticulum

N-octadecanoyl-heptadecasphing-4-enineReach from here →

Catalysed by ALDH3A2, SLC27A2, ACSL4, ACSL3 and 5 moreendoplasmic reticulum, cytosol

linoleic acidReach from here →

Catalysed by ALDH3A2endoplasmic reticulum, cytosol, extracellular spaceOne of 12 routes

dodecanoateReach from here →

Catalysed by ALDH3A2endoplasmic reticulum, cytosol, extracellular spaceOne of 12 routes

2-(4Z,7Z,10Z,13Z,16Z,19Z-docosahexaenoyl)-glycerolReach from here →

Catalysed by ALDH3A2, ABHD11endoplasmic reticulum

1-octadecanoyl-2-acyl-sn-glycero-3-phosphoethanolamineReach from here →

Catalysed by ALDH3A2, SLC27A2, ACSL4, ACSL3 and 5 moreendoplasmic reticulum, cytosol

docosanoateReach from here →

Catalysed by ALDH3A2endoplasmic reticulum, cytosol, extracellular spaceOne of 12 routes

alpha-linolenic acidReach from here →

Catalysed by ALDH3A2endoplasmic reticulum, cytosol, extracellular spaceOne of 12 routes

elaidic acidReach from here →

Catalysed by ALDH3A2, SLC27A2, ACSL4, ACSL3 and 6 moreendoplasmic reticulum, cytosolOne of 13 routes

all-cis-docosa-4,7,10,13,16,19-hexaenoic acidReach from here →

Catalysed by ALDH3A2endoplasmic reticulum, cytosol, extracellular spaceOne of 12 routes

tetradecanoateReach from here →

Catalysed by ALDH3A2endoplasmic reticulum, cytosol, extracellular spaceOne of 12 routes

(9Z)-octadecenoateReach from here →

Catalysed by ALDH3A2endoplasmic reticulum, cytosol, extracellular spaceOne of 12 routes

hexacosanoateReach from here →

Catalysed by ALDH3A2endoplasmic reticulum, cytosol, extracellular spaceOne of 12 routes

tetracosanoateReach from here →

Catalysed by ALDH3A2endoplasmic reticulum, cytosol, extracellular spaceOne of 12 routes

an N-acylsphinganineReach from here →

Catalysed by ALDH3A2, ASAH1, ACER2, ACER1 and 2 moreendoplasmic reticulum, cytosol

octadecan-1-olReach from here →

Catalysed by ALDH3A2, SLC27A2, ACSL4, ACSL3 and 6 moreendoplasmic reticulum, cytosol

eicosanoateReach from here →

Catalysed by ALDH3A2endoplasmic reticulum, cytosol, extracellular spaceOne of 12 routes

(9Z)-hexadecenoateReach from here →

Catalysed by ALDH3A2endoplasmic reticulum, cytosol, extracellular spaceOne of 12 routes

(15Z)-tetracosenoateReach from here →

Catalysed by ALDH3A2endoplasmic reticulum, cytosol, extracellular spaceOne of 12 routes

(5Z,8Z,11Z,14Z)-eicosatetraenoateReach from here →

Catalysed by ALDH3A2endoplasmic reticulum, cytosol, extracellular spaceOne of 12 routes

(11Z)-eicosenoateReach from here →

Catalysed by ALDH3A2endoplasmic reticulum, cytosol, extracellular spaceOne of 12 routes

(9Z)-octadecenoyl-CoAReach from here →

Catalysed by ALDH3A2, SLC27A2, ACSL4, ACSL3 and 6 moreendoplasmic reticulum, cytosol

sphing-4-enineReach from here →

Catalysed by ALDH3A2, ASAH1, ACER2, ASAH2endoplasmic reticulum

an acyl-CoAReach from here →

Catalysed by ALDH3A2, SLC27A2, ACSL4, ACSL3 and 4 moreendoplasmic reticulum, cytosol

(5Z,8Z,11Z,14Z,17Z)-eicosapentaenoateReach from here →

Catalysed by ALDH3A2endoplasmic reticulum, cytosol, extracellular spaceOne of 12 routes

1-octadecanoyl-2-acyl-sn-glycero-3-phospho-1D-myo-inositolReach from here →

Catalysed by ALDH3A2, SLC27A2, ACSL4, ACSL3 and 5 moreendoplasmic reticulum, cytosol

3-oxoeicosasphinganineReach from here →

Catalysed by ALDH3A2, SLC27A2, ACSL4, ACSL3 and 7 moreendoplasmic reticulum, cytosol

3-oxoeicosanoyl-CoAReach from here →

Catalysed by ALDH3A2, SLC27A2, ACSL4, ACSL3 and 11 moreendoplasmic reticulum, cytosolOne of 2 routes

N-(octadecanoyl)-sphinganineReach from here →

Catalysed by ALDH3A2, SLC27A2, ACSL4, ACSL3 and 10 moreendoplasmic reticulum, cytosol

(2E)-octadecenoyl-CoAReach from here →

Catalysed by ALDH3A2, SLC27A2, ACSL4, ACSL3 and 5 moreendoplasmic reticulum, cytosolOne of 6 routes

(8Z,11Z,14Z)-eicosatrienoateReach from here →

Catalysed by ALDH3A2endoplasmic reticulum, cytosol, extracellular spaceOne of 12 routes

1-hexadecanoyl-2-octadecanoyl-sn-glycero-3-phospho-(1D-myo-inositol)Reach from here →

Catalysed by ALDH3A2, SLC27A2, ACSL4, ACSL3 and 5 moreendoplasmic reticulum, cytosol

1-hexadecanoyl-2-octadecanoyl-sn-glycero-3-phospho-(1'-sn-glycerol)Reach from here →

Catalysed by ALDH3A2, SLC27A2, ACSL4, ACSL3 and 6 moreendoplasmic reticulum, cytosol

1-hexadecanoyl-2-octadecanoyl-sn-glycero-3-phosphateReach from here →

Catalysed by ALDH3A2, SLC27A2, ACSL4, ACSL3 and 5 moreendoplasmic reticulum, cytosol

1-hexadecanoyl-2-octadecanoyl-sn-glycero-3-phosphocholineReach from here →

Catalysed by ALDH3A2, SLC27A2, ACSL4, ACSL3 and 5 moreendoplasmic reticulum, cytosol

2-(9Z-octadecenoyl)-glycerolReach from here →

Catalysed by ALDH3A2, ABHD11endoplasmic reticulum