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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
L-Methionine-S-methyl Sulfonium Chloride-d6 Hydrochloride, neat

L-Methionine-S-methyl Sulfonium Chloride-d6 Hydrochloride, neat

Code: QX180660
MW: 170.28 + 36.46 + 35.45Formula: C6H8D6NO2S • HCl • Cl
S-(5'-Adenosyl)-L-methionine-d3 Disulfate Salt (Synthetic)(Mixture of Diastereomers), neat

S-(5'-Adenosyl)-L-methionine-d3 Disulfate Salt (Synthetic)(Mixture of Diastereomers), neat

Code: QX180652
MW: 597.61Formula: C15H23D3N6O13S3
S-(5'-Adenosyl)-L-homocysteine-13C5, neat

S-(5'-Adenosyl)-L-homocysteine-13C5, neat

Code: QX180650
MW: 389.37Formula: C913C5H20N6O5S
Vinpocetine-d5, neat

Vinpocetine-d5, neat

Code: QX180633
MW: 355.48Formula: C22H21D5N2O2
6-Sulfatoxy Melatonin-d4 (Major) Sodium Salt, neat

6-Sulfatoxy Melatonin-d4 (Major) Sodium Salt, neat

Code: QX180579
MW: 354.35Formula: C13H11D4N2NaO6S
(R,S)-N-Acetyl-S-[1-(hydroxymethyl)-2-propenyl)-L-cysteine-d6 + (R,S)-N-Acetyl-S-[2-(hydroxymethyl)-3-propenyl)-L-cysteine-d6 (Mixture), neat

(R,S)-N-Acetyl-S-[1-(hydroxymethyl)-2-propenyl)-L-cysteine-d6 + (R,S)-N-Acetyl-S-[2-(hydroxymethyl)-3-propenyl)-L-cysteine-d6 (Mixture), neat

Code: QX180268
MW: 239.32Formula: C9H9D6NO4S
L-Phenylalanine, 1-13C, neat

L-Phenylalanine, 1-13C, neat

Code: QX183623
POA
MW: 166.18Formula: C9H11NO2
N-Acetyl-D-Alanine-3,3,3-d3, neat

N-Acetyl-D-Alanine-3,3,3-d3, neat

Code: QX184260
MW: 134.15
N-Acetyl-D-Alanine-3,3,3-d3, neat

N-Acetyl-D-Alanine-3,3,3-d3, neat

Code: QX184259
MW: 134.15
Tiglyl Glycine-13C2,15N, neat

Tiglyl Glycine-13C2,15N, neat

Code: QX181220
MW: 160.15Formula: C513C2H1115NO3
N-Valerylglycine-13C2,15N, neat

N-Valerylglycine-13C2,15N, neat

Code: QX181217
MW: 162.16Formula: C513C2H1315NO3
10a-Methoxy-1-methyl-d3-9,10-dihydrolysergol, neat

10a-Methoxy-1-methyl-d3-9,10-dihydrolysergol, neat

Code: QX181196
MW: 303.41Formula: C18H21D3N2O2