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Isotope Labeling
Isotope labeled peptides are synthesized by amino acids containing isotope labeled amino acids. At present, C13, N15 isotope labeled amino acids are mainly used to synthesize isotope labeled amino acids in our company.
Below lists is the most common stable isotopically labeled amino acids that can be used for the synthesis of peptides with stable isotopes containing carbon 13 (13C) and Nitrogen 15 (15N). Other labeled amino acids are available upon request.
Alanine
Ala(A)
U-13C3,U-15N
+4 da
>99%
Arginine
Arg(R)
U-13C6,U-15N4
+10 da
>99%
Arginine
Arg(R)
4,4,5,5-13C
+4 da
>98%
Isoleucine
Ile(I)
U-13C6,U-15N
+7 da
>99%
Leucine
Leu(L)
U-13C6,U-15N
+7 da
>99%
Lysine
Lys(K)
U-13C6,U-15N2
+8 da
>99%
Proline
Pro(P)
U-13C5,U-15N
+6 da
>99%
Phenyalanine
Phe(F)
U-13C9,U-15N
+10da
>99%
Valine
Val(V)
U-13C5,U-15N
+6 da
>99%
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