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Mass Spectrometry

Show Possible Glycerophospholipid Structures

Enter a mass (m/z) value and corresponding ion type:

Nominal Mass    Exact Mass
Mass Tolerance (+/- amu)	+/- 1.0 amu +/- 0.2 amu +/- 0.1 amu +/- 0.05 amu +/- 0.01 amu
Radyl group abbreviation (eg. 12:0)	contains starts with
Headgroup	Any PC PA PS PE PG PI PIP
Ion	M+H M+K M+Na M-H M(neutral)
Sort by	#Radyl Carbons,#Double Bonds #Double Bonds,#Radyl Carbons Exact Mass Abbreviation Molecular Formula
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Examples of Abbreviations

The more common acyl chains used to create the virtual database for acylglycerols and glycerophospholipids (alkyl/vinyl ethers at sn1 position only):

0:0
10:0
12:0
13:0
14:0
14:1(9Z)
15:0
15:1(9Z)
O-16:0 (ether)
O-16:1(1Z) (plasmalogen)
16:0
16:1(9Z)
17:0
17:1(9Z)
17:2(9Z,12Z)
O-18:0 (ether)
O-18:1(1Z) (plasmalogen)
18:0
18:1(11E)
18:1(9Z)
18:2(9Z,12Z)
18:3(6Z,9Z,12Z)
18:3(9Z,12Z,15Z)
18:4(6Z,9Z,12Z,15Z)
19:0
O-20:0 (ether)
O-20:1(1Z) (plasmalogen)
20:0
20:1(11Z)
20:2(11Z,14Z)
20:3(8Z,11Z,14Z)
20:4(5Z,8Z,11Z,14Z)
20:5(5Z,8Z,11Z,14Z,17Z)
21:0
22:0
22:1(11Z)
22:2(13Z,16Z)
22:4(7Z,10Z,13Z,16Z)
22:6(4Z,7Z,10Z,13Z,16Z,19Z)
23:0
24:0
24:1(15Z)
25:0
26:0