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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-Arginine-15N4 Hydrochloride, neat

L-Arginine-15N4 Hydrochloride, neat

Code: QX172957
MW: 214.64Formula: C6H15Cl15N4O2
6-Hydroxy Melatonin-d4 (Major), neat

6-Hydroxy Melatonin-d4 (Major), neat

Code: QX177993
MW: 252.3Formula: C13H12D4N2O3
L-Phenylalanine-d7, neat

L-Phenylalanine-d7, neat

Code: QX177962
MW: 172.23Formula: C9H4D7NO2
L-Phenylalanine, 1-13C, neat

L-Phenylalanine, 1-13C, neat

Code: QX183623
POA
MW: 166.18Formula: C9H11NO2
L-Serine-d7, neat

L-Serine-d7, neat

Code: QX165057
MW: 112.14 Formula: DOCD2CD(ND2)COOD  
DL-Cystine-2,2',3,3,3',3'-d6, neat

DL-Cystine-2,2',3,3,3',3'-d6, neat

Code: QX182967
MW: 246.33 Formula: [SCD2CD(NH2)COOH]2  
Voclosporin-d4, neat

Voclosporin-d4, neat

Code: QX180613
MW: 1218.65Formula: C63H107D4N11O12
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