TABLE 5.
Sphingolipids with a free amino group: shorthand notation examples
| Sphingoid Base | Lipid Class Level Massa | Hydroxyl Group Level | LIPID MAPS Sphingoid Base Structure Level |
| Sphingosine | SPH (299) | SPH d18:1 | SPH d18:1(4E)(1OH,3OH) |
| Sphinganine | SPH (301) | SPH d18:0 | SPH d18:0(1OH,3OH) |
| Sphingadiene | SPH (297) | SPH d18:2 | SPH d18:2(4E,8E)(1OH,3OH) |
| Phytosphingosine | SPH (317) | SPH t18:0 | SPH t18:0(1OH,3OH,4OH) |
| Sphingosine–C20 | SPH (327) | SPH d20:1 | SPH d20:1(4E)(1OH,3OH) |
| Sphingosine | S1P (379) | S1P d18:1 | S1P d18:1(4E)(1OH,3OH) |
| Sphinganine | S1P (381) | S1P d18:0 | S1P d18:0(1OH,3OH) |
| 1-Deoxymethyl-sphinganine | SPH (271) | SPH m17:0 | SPH m17:0(2OH) |
| 1-Deoxy-sphinganine | SPH (285) | SPH m18:0 | SPH m18:0(3OH) |
a
Uncharged molecular mass.