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Amino Acids

We offer an extensive range of isotopically labelled Amino Acids and Amino Acid Esters including N-t-BOC protected and N-FMOC protected Amino Acids for your analysis and research needs.
Please don’t hesitate to contact us if you are unable to find the stable isotope that you need and we'll be delighted to check on its availability.

Alphabetical Alphabetical Reversed Latest Popularity
6-Hydroxy Melatonin-d4 (Major), neat

6-Hydroxy Melatonin-d4 (Major), neat

Code: QX177993
MW: 252.3Formula: C13H12D4N2O3
L-Leucine-15N, neat

L-Leucine-15N, neat

Code: QX177083
MW: 132.17Formula: C6H1315NO2
N-(2-Cyanoethyl-d3)-L-valine, neat

N-(2-Cyanoethyl-d3)-L-valine, neat

Code: QX171761
MW: 173.23Formula: C8H11D3N2O2
L-Lysine-2,3,3,4,4,5,5,6,6-d9 Hydrochloride, neat

L-Lysine-2,3,3,4,4,5,5,6,6-d9 Hydrochloride, neat

Code: QX181947
MW: 155.24 + x(36.46)Formula: C6H5D9N2O2 • x(HCl)
Teduglutide-d8 TFA salt x hydrate (Leu-methyl-d3+Phe-d5), neat

Teduglutide-d8 TFA salt x hydrate (Leu-methyl-d3+Phe-d5), neat

Code: QX181765
MW: 3760.18 + 114.02 + x(18.02)Formula: C164H244D8N44O55S • C2HF3O2 • x(H2O)
3-Indolepropionic-d2 Acid, neat

3-Indolepropionic-d2 Acid, neat

Code: QX181678
MW: 191.22Formula: C11H9D2NO2
L-Methionine [R,S]-Sulfoximine-13C5, neat

L-Methionine [R,S]-Sulfoximine-13C5, neat

Code: QX181467
MW: 185.19Formula: 13C5H12N2O3S
Oxytocin-d5 Trifluoroacetate, neat

Oxytocin-d5 Trifluoroacetate, neat

Code: QX181643
MW: 1126.24Formula: C45H62D5F3N12O14S2
Suberyl Glycine-13C2,15N, neat

Suberyl Glycine-13C2,15N, neat

Code: QX181239
MW: 234.22Formula: C813C2H1715NO5
Glucagon-d9 Trifluoroacetate, neat

Glucagon-d9 Trifluoroacetate, neat

Code: QX181230
MW: 3491.80 (free amine)Formula: C153H216D9N43O49S x(C2HF3O2)
Acetaminophen Glutathione-d3 Disodium Salt (~90%), neat

Acetaminophen Glutathione-d3 Disodium Salt (~90%), neat

Code: QX180878
MW: 503.45Formula: C18H19D3N4Na2O8S
3-O-Methyl-L-DOPA-d3 Monohydrate, neat

3-O-Methyl-L-DOPA-d3 Monohydrate, neat

Code: QX180867
MW: 214.24 + 18.02Formula: C10H10D3NO4 • H2O