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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
Na-Acetyl-D-Glutamine-2,3,3,4,4-d5 ,neat

Na-Acetyl-D-Glutamine-2,3,3,4,4-d5 ,neat

Code: QX188231
MW: 193.21
Desmosine-d4 (major) Inner Salt, neat

Desmosine-d4 (major) Inner Salt, neat

Code: QX180780
MW: 529.62Formula: C24H35D4N5O8
DMT-d6, neat

DMT-d6, neat

Code: QX180777
MW: 194.31Formula: C12H10D6N2Controlled Product - This is a controlled substance and requires licensing. We will require a copy of your license or exemption and additional lic...
S-(5'-Adenosyl)-L-methionine-13C5 Sulfate Salt (Synthetic) (Mixture of Diastereomers), neat

S-(5'-Adenosyl)-L-methionine-13C5 Sulfate Salt (Synthetic) (Mixture of Diastereomers), neat

Code: QX180770
MW: 404.41+ (97.07) + x(98.08)Formula: C1013C5H23N6O5S+ •HSO4- •xH2SO4
N-Acetyl-S-(4-hydroxy-2-buten-1-yl)-L-cysteine-d3, neat

N-Acetyl-S-(4-hydroxy-2-buten-1-yl)-L-cysteine-d3, neat

Code: QX180724
MW: 236.3Formula: C9H12D3NO4S
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
Bepotastine-d6 Besylate, neat

Bepotastine-d6 Besylate, neat

Code: QX180853
MW: 553.1Formula: C27H25D6ClN2O6S
(R,S)-N-Acetyl-S-(2-hydroxy-3-methyl-3-buten-1-yl)-L-cysteine-d3 +(R,S)-N-Acetyl-S-[1-(hydroxymethyl)-2-methyl-2-propen-1-yl)-L-cysteine-d3(Mixture), neat

(R,S)-N-Acetyl-S-(2-hydroxy-3-methyl-3-buten-1-yl)-L-cysteine-d3 +(R,S)-N-Acetyl-S-[1-(hydroxymethyl)-2-methyl-2-propen-1-yl)-L-cysteine-d3(Mixture), neat

Code: QX180850
MW: 250.33Formula: C10H14D3NO4S
N-Acetyl-S-(2-carboxyethyl)-L-cysteine-13C3 Bis(dicyclohexylamine) Salt, neat

N-Acetyl-S-(2-carboxyethyl)-L-cysteine-13C3 Bis(dicyclohexylamine) Salt, neat

Code: QX180907
MW: 600.87Formula: C2913C3H59N3O5S
rac 3-Hydroxy Kynurenine-13C2,15N Hydrochloride Salt, neat

rac 3-Hydroxy Kynurenine-13C2,15N Hydrochloride Salt, neat

Code: QX180906
MW: 227.19 + x(36.46)Formula: C813C2H12N15NO4 . xHCl
L-Arginine-13C,d4 Dihydrochloride, neat

L-Arginine-13C,d4 Dihydrochloride, neat

Code: QX180882
MW: 179.22 +2(36.46)Formula: C513CH10D4N4O2 • 2HCl