Amino Acids Labeled

Amino acids are organic compounds made of carbon, hydrogen, oxygen, nitrogen, and (in some cases) sulfur bonded in characteristic formations. Strings of amino acids make up proteins, of which there are countless varieties. Medical Isotopes supplies labeled amino acids such as L-Lysine-1-13C, Glycine-2,2-d2 and L-Aspartic Acid-2,3,3-d3.

Labeled Amino Acids and Derivatives

Catalog No. Product Name Enrichment
Quantity Price
D75289 D-Phenyl-d5-alanine-N-FMOC
100 mg $820   Add to Cart
500 mg $2,420   Add to Cart
D52727 L-Phenylalanine tert-Butyl Ester-d5
1 mg $625   Add to Cart
5 mg $1,000   Add to Cart
10 mg $1,425   Add to Cart
C1150 DL-Phenylalanine-1-13C 99%13C
0.1 g $495   Add to Cart
C1152 L-Phenylalanine-1-13C 99%13C
0.25 g $590   Add to Cart
C1153 L-Phenylalanine-1-13C (N-t-BOC) 99%13C
0.5 g $890   Add to Cart
C1154 L-Phenylalanine-2-13C 99%13C
0.05 g $495   Add to Cart
C1155 L-Phenylalanine-2-13C (N-t-BOC) 99%13C
0.25 g $975   Add to Cart
C1156 L-Phenylalanine-3-13C 99%13C
0.1 g $495   Add to Cart
C1157 L-Phenylalanine-13C6
10 mg $190   Add to Cart
50 mg $590   Add to Cart
C32356 DL-Phenylalanine-3-13C 99%13C
0.25 g $710   Add to Cart
C32360 DL-Phenylalanine-2-13C 99%13C
0.5 g $870   Add to Cart
C899 L-Phenylalanine-1-13C-N-FMOC 99%13C
500 mg $1,790   Add to Cart
D1162 L-Phenylalanine-d8
Synonyms:
L-Phenyl-d5-alanine-2,3,3-d3;
98%D
100 mg $390   Add to Cart
D32161 L-Phenylalanine-3,3-d2 98%D
0.25 g $925   Add to Cart
0.5 g $1,650   Add to Cart
D4238 DL-Phenylalanine-2-d1 98%D
0.5 g $790   Add to Cart
1 g $1,425   Add to Cart
D4242 L-Phenylalanine-d5
Synonyms:
L-Phenyl-d5-alanine;
98%D
100 mg $90   Add to Cart
500 mg $290   Add to Cart
D52722 L-Phenylalanine-d7
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N1163 L-Phenylalanine-15N 99%15N
0.1 g $550   Add to Cart
0.5 g $990   Add to Cart
N1164 L-Phenylalanine-15N (N-t-BOC) 99%15N
0.1 g $690   Add to Cart
C1158 L-Phenylalanine-(ring)-13C6 (N-t-BOC) 99%13C
0.1 g $690   Add to Cart
C914 L-Phenylalanine-ring-13C6-N-FMOC 99%13C
100 mg $1,290   Add to Cart
CN1166 L-Phenylalanine-UL-13C9,15N 99 atom %13C; 99 atom % 15N
250 mg $1,190   Add to Cart
CN1167 L-Phenylalanine-UL-13C9,15N (N-t-BOC) 98%13C, 98%15N
0.05 g $900   Add to Cart
CN924 L-Phenylalanine-UL-13C9,15N-N-FMOC 98%13C, 98%15N
100 mg $990   Add to Cart
D48207 D-Phenylalanyl-d5 Nateglinide
1 mg $675   Add to Cart
10 mg $2,400   Add to Cart
D49369 N-Acetyl-S-(2-hydroxy-1-phenylethyl)-L-cysteine-d3 +N-Acetyl- S-(2-hydroxy-2-phenylethyl)-L-cysteine-d3 (Mixture)
1 mg $625   Add to Cart
10 mg $2,000   Add to Cart
D48232 D,L-2-Phenylglycine-d5
25 mg $625   Add to Cart
250 mg $2,000   Add to Cart
D4274 N-(3-Phenylpropionyl)glycine-2,2-d2 98%D
0.05 g $835   Add to Cart
0.1 g $1,495   Add to Cart
CN66719 L-O-Phosphoserine-13C3,15N
0.5 mg $790   Add to Cart
D52824 Pramlintide-d3 Trifluoroacetate
0.25 mg $725   Add to Cart
1 mg $1,375   Add to Cart
14394 L-Proline-15N,N-Boc 98%
100 mg $790   Add to Cart
C1169 L-Proline-1-13C 99%13C
0.05 g $790   Add to Cart
0.1 g $1,200   Add to Cart
D1171 L-Proline-2,5,5-d3 98%D
100 mg $590   Add to Cart
D14570 D-Proline-2,5,5-d3 98% D
0.25 g $950   Add to Cart
0.5 g $1,695   Add to Cart
D14571 D-Proline-2,5,5-d3-N-FMOC 98% D
0.1 g $870   Add to Cart
0.25 g $1,625   Add to Cart
D4302 DL-Proline-2-d1 98%D
0.25 g $865   Add to Cart
0.5 g $1,550   Add to Cart
D52838 DL-Proline-d7 hydrochloride
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N1168 DL-Proline-15N 99%15N
0.5 g $870   Add to Cart
N1172 L-Proline-15N 99%15N
20 mg $850   Add to Cart
N1173 L-Proline-15N (N-t-BOC) 99%15N
0.25 g $860   Add to Cart
D110377 L-Proline-d7
100 mg $1,190   Add to Cart
N976 L-Proline-N-FMOC-15N 98%15N
0.25 g $860   Add to Cart
C1174 L-Proline-UL-13C5
Synonyms:
L-Proline-13C5;
99%13C
100 mg $1,190   Add to Cart
CN4050 L-Proline-UL-13C5,15N 98%13C, 98%15N
20 mg $790   Add to Cart
20 mg $790   Add to Cart
CN978 L-Proline-UL-13C5,15N-N-FMOC
100 mg $990   Add to Cart
D19211 N-Acetyl-S-(2-hydroxy-3-propionamide)-L-cysteine-d3 Dicyclohexylammonium Salt
Synonyms:
N-Acetyl-S-(3-amino-2-hydroxy-3-oxopropyl)-L-cysteine-d3 Dicyclohexylammonium Salt; N-Acetyl-S-(2-carbamoyl-2-hydroxyethyl)-L-cysteine-d3 Dicyclohexylammonium Salt; GAMA-d3 Dicyclohexylammonium Salt;
2.5 mg $900   Add to Cart
25 mg $2,700   Add to Cart
D52842 (R)-Propionyl-d3 Carnitine Chloride
5 mg $650   Add to Cart
50 mg $2,200   Add to Cart
D299 N-Propionylglycine-2,2-d2 98%D
0.05 g $805   Add to Cart
0.1 g $1,450   Add to Cart
D19120 N-(Acetyl-d3)-S-(3-carboxy-2-propyl)-L-cysteine Disodium Salt
Synonyms:
3-[[(2R)-2-[(Acetyl-d3)amino]-2-carboxyethyl]thio]butanoic Acid Disodium Salt; 2-Carboxy-1-methylethylmercapturic Acid-d3 Disodium Salt;
1 mg $890   Add to Cart
10 mg $2,620   Add to Cart
D19055 N-Acetyl-S-(propyl-d7)-L-cysteine
Synonyms:
N-Acetyl-3-(propyl-d7-thio)alanine; (Propyl-d7)mercapturic Acid;
2.5 mg $890   Add to Cart
25 mg $2,620   Add to Cart
D48453 N-Pyrazinylcarbonyl-L-phenylalanine-d8
1 mg $610   Add to Cart
10 mg $1,380   Add to Cart
D13230 N-Pyrazinylcarbonylphenylalanine-d8 98%D
1 mg $860   Add to Cart
5 mg $1,880   Add to Cart
CN48476 N-[4-(2-Pyridinyl)benzoyl]glycine-13C2,15N
2.5 mg $650   Add to Cart
25 mg $2,200   Add to Cart
D42753 N-(Acetyl-d3)-S-[4-(2-pyridinyl)benzyl]-L-cysteine
   Request Quote
D46754 rac 4’’-Hydroxy Reboxetine-d5
1 mg $650   Add to Cart
10 mg $2,200   Add to Cart
D45083 rel-Desethylreboxetine-d4 HCl
   Request Quote
D13366 Repaglinide-ethyl-d5
Synonyms:
2-(Ethoxy-d5)-4-[2-[[[(1S)-3-methyl-1-[2-(1-piperidinyl) phenyl]butyl]amino]-2-oxoethyl]benzoic Acid; AG-EE-623-d5; Novonorm-d5; Prandin-d5;
98%D
1 mg $875   Add to Cart
5 mg $2,000   Add to Cart
D48569 Retorphan-d5
1 mg $650   Add to Cart
10 mg $2,200   Add to Cart
D88193 Sarcosine-d3
Synonyms:
N-Methyl-d3-glycine;
99% D
250 mg $990   Add to Cart
C53012 L-Serine 2-13C, 2-d
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C1175 DL-Serine-1-13C 99%13C
0.05 g $690   Add to Cart
0.25 g $1,200   Add to Cart
C1176 DL-Serine-2-13C 99%13C
0.1 g $895   Add to Cart
C1177 DL-Serine-3-13C 90%13C
0.1 g $495   Add to Cart
C1181 L-Serine-1-13C 99%13C
100 mg $190   Add to Cart
C1182 L-Serine-2-13C 99%13C
100 mg $890   Add to Cart
C1183 L-Serine-3-13C
   Request Quote
C1184 L-Serine-3-13C (N-t-BOC) 99%13C
0.1 g $675   Add to Cart
D1186 L-Serine-2,3,3-d3 98%D
100 mg $390   Add to Cart
D2424 DL-Serine-2,3,3-d3 98%D
250 mg $390   Add to Cart
D32164 L-Serine-d7 98%D
0.25 g $950   Add to Cart
0.5 g $1,690   Add to Cart
D32440 L-Serine-2,3,3-d3-N-t-BOC 98%D
0.1 g $870   Add to Cart
0.25 g $1,625   Add to Cart
D32441 L-Serine-2,3,3-d3-N-FMOC 98%D
0.1 g $850   Add to Cart
0.25 g $1,590   Add to Cart
D5842 N-Acetyl-L-serine-2,3,3-d3
Synonyms:
(Deuterated Acetylserine; Deuterium Labeled Acetylserine; Stable Isotope Labeled Acetylserine);
98%D
10 mg $290   Add to Cart
N1180 DL-Serine-15N
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N1187 L-Serine-15N 99%15N
0.1 g $485   Add to Cart
N1188 L-Serine-15N-N-t-BOC 99%15N
0.1 g $550   Add to Cart
N32728 L-Serine-15N-N-FMOC 99%15N
250 mg $690   Add to Cart
C1185 L-Serine-UL-13C 98%13C
10 mg $800   Add to Cart
25 mg $1,700   Add to Cart
CN1119 L-Serine-UL-13C3,15N-N-FMOC 98%13C, 98%15N
0.1 g $1,100   Add to Cart
CN4051 L-Serine-UL-13C3,15N >98%13C, >98%15N
100 mg $990   Add to Cart
D53034 Sinorphan-d5
2.5 mg $660   Add to Cart
25 mg $2,280   Add to Cart
D72373 Sodium DL-lactate-d3
10 mg $650   Add to Cart
100 mg $2,200   Add to Cart
C1249 Sodium Glutamate-UL-13C5 hydrate 97-98%13C
0.1 g $960   Add to Cart
D53044 Spaglumic Acid-d3
1 mg $650   Add to Cart
10 mg $2,200   Add to Cart
D75299 N-Suberyl-2,2,7,7-d4-glycine
5 mg $570   Add to Cart
25 mg $1,570   Add to Cart
D32384 S-Sulfo-DL-cysteine-2,3,3-d3
Synonyms:
CysteineS-Sulfate;
99%D
10 mg $390   Add to Cart
D53085 Terlipressin-d2 Diacetate Salt
1 mg $625   Add to Cart
5 mg $750   Add to Cart
25 mg $1,475   Add to Cart
D53084 Terlipressin-Phe(d5) Diacetate Salt
1 mg $625   Add to Cart
5 mg $750   Add to Cart
25 mg $1,475   Add to Cart
D13735 (S)-Tetrahydro-α-(1-methylethyl)-2-oxo-1(2H)-pyrimidine- acetic Acid-d8 98%D
10 mg $890   Add to Cart
50 mg $2,120   Add to Cart
D53106 (S)-Tetrahydro-α-(1-methylethyl)-2-oxo-1(2H)-pyrimidineacetic Acid-d8
10 mg $640   Add to Cart
100 mg $2,120   Add to Cart
D48941 Thiorphan-d7 Methoxyacetophenone Derivative
10 mg $3,750   Add to Cart
25 mg $4,750   Add to Cart
C1191 L-Threonine-1-13C 99%13C
5 mg $990   Add to Cart
25 mg $1,500   Add to Cart
D249 L-Threonine-2,3-d2 98%D
50 mg $390   Add to Cart
D5843 N-Acetyl-d3-L-threonine-2,3-d2
Synonyms:
Deuterated Acetylthreonine; Deuterium Labeled Acetylthreonine; Stable Isotope Labeled Acetylthreonine;
98%D
0.05 g $950   Add to Cart
0.1 g $1,695   Add to Cart
N1194 L-Threonine-15N 99%15N
0.1 g $790   Add to Cart
CO110334 L-Threonine-N-FMOC, O-t-butyl-ether 13C4,15N
Synonyms:
Fmoc-Thr(tBu)-OH-13C4,15N;
100 mg $1,690   Add to Cart
C1304 L-Threonine-UL-13C4 98%13C
10 mg $890   Add to Cart
50 mg $1,500   Add to Cart
CN4052 L-Threonine-UL-13C4,15N >98%13C, >98%15N
10 mg $890   Add to Cart
50 mg $1,500   Add to Cart
D13820 Thymine Methyl-d3
Synonyms:
5-Methyl-d3-1H-pyrimidine-2,4-dione, 5-Methyl-d3-uracil;
98%D
10 mg $860   Add to Cart
50 mg $1,880   Add to Cart
D2582 Thymine-α,α,α,6-d4 Glycol 98%D
0.01 g $810   Add to Cart
0.05 g $1,795   Add to Cart
D32438 N-Tigloylglycine-2,2-d2 98%D
0.01 g $720   Add to Cart
0.05 g $1,495   Add to Cart
CN53170 Tiglyl Glycine-13C2,15N
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CD13838 Tiopronin-13C,d3
Synonyms:
N-(2-Mercaptopropionyl)glycine-d3,13C; α-Mercaptopropionylglycine-d3,13C; (2-Mercapto-propionylamino)-acetic Acid-d3,13C;
98%D, 98%13C
1 mg $390   Add to Cart
D13837 Tiopronin-d3
Synonyms:
N-(2-Mercaptopropionyl)glycine-d3; α-Mercaptopropionylglycine-d3; (2-Mercapto-propionylamino)-acetic Acid-d3;
98%D
5 mg $390   Add to Cart
D1312 n-Tricine-d8 98%D
0.1 g $495   Add to Cart
C49044 N-[4-[(Trifluoroacetyl)amino]benzoyl]-L-glutamic Acid Dimethyl Ester-13C5
2.5 mg $640   Add to Cart
25 mg $2,120   Add to Cart
C42761 N-Acetyl-3,3’,5-triiodo-L-thyronine-13C6
   Request Quote
C42762 N-Acetyl-3,3’,5’-triiodo-L-thyronine-13C6
   Request Quote
C53305 3,3’,5’-Triiodo-L-thyronine-13C6
   Request Quote
C53307 3,3’,5-Triiodo-L-thyronine-13C6 solution in methanol
   Request Quote
D4471 N,N,N-Trimethylglycine-N-hydroxysuccinimide ester, bromide-d9
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C1196 L-Tryptophan-1-13C 99%13C
0.1 g $1,500   Add to Cart
D2694 DL-Tryptophan-2,3,3-d3 98%D
50 mg $690   Add to Cart
D2696 DL-Tryptophan-d8 98%D
10 mg $790   Add to Cart
50 mg $1,200   Add to Cart
D32246 5-Hydroxy-L-tryptophan-4,6,7-d3 hydrate
Synonyms:
Deuterated Hydroxytryptophan; Deuterium Labeled Hydroxytryptophan; Stable Isotope Labeled Hydroxytryptophan;
10 mg $590   Add to Cart
D49166 D-Tryptophan-d5
50 mg $390   Add to Cart
D53363 D,L-Tryptophan-d3
2.5 mg $640   Add to Cart
25 mg $2,120   Add to Cart
N1204 L-Tryptophan-15N2 95%15N
1 mg $190   Add to Cart
5 mg $590   Add to Cart
D32714 D-Tryptophan-2’,4’,5’,6’,7’-d5
50 mg $290   Add to Cart
D75311 L-Tryptophan-2,3,3-d3
10 mg $390   Add to Cart
D2695 L-Tryptophan-2,4,5,6,7-d5 98%D
50 mg $390   Add to Cart
N1202 L-Tryptophan-α-15N
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C1197 L-Tryptophan-indole-2-13C 99%13C
10 mg $790   Add to Cart
50 mg $1,500   Add to Cart
C1198 L-Tryptophan-indole-3-13C
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C1199 L-Tryptophan-indole-4-13C
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N1203 L-Tryptophan-indole-15N
   Request Quote
N1336 L-Tryptophan-N-FMOC-α-15N
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D1334 L-Tryptophan-N-FMOC-indole-d5 98%D
0.1 g $900   Add to Cart
CN1339 L-Tryptophan-N-FMOC-UL-13C11,15N2 98%13C, 98%15N
500 mg $3,690   Add to Cart
C1332 L-Tryptophan-UL-13C11
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CDN32126 L-Tryptophan-UL-13C11,U-D8,U-15N2
1 mg $990   Add to Cart
5 mg $1,500   Add to Cart
CN4053 L-Tryptophan-UL-13C11,15N2 98%13C, 98%15N
100 mg $2,500   Add to Cart
50 mg $1,625   Add to Cart
D14107 Tyramine-d4 hydrochloride
Synonyms:
4-(2-Aminoethyl-d4)phenol HCl; 2-(4-Hydroxyphenyl)ethyl-1,1,2,2-d4-amine HCl; Tyrosamine-d4 HCl;
98%D
5 mg $90   Add to Cart
25 mg $290   Add to Cart
C1207 L-Tyrosine-2-13C 99%13C
100 mg $790   Add to Cart
C1208 L-Tyrosine-3-13C 99%13C
0.1 g $550   Add to Cart
C1211 L-Tyrosine-13C6 99%13C
100 mg $1,890   Add to Cart
C5373 L-Tyrosine-1-13C
Synonyms:
(S)-2-Amino-3-(4-hydroxyphenyl)propionic acid-13C; 3-(4-Hydroxyphenyl)-L-alanine-13C;
99%13C
250 mg $1,290   Add to Cart
CN1222 L-Tyrosine-13C9,15N 98+%13C, 98%15N
100 mg $890   Add to Cart
D1214 L-Tyrosine-3,3-d2 98%D
100 mg $290   Add to Cart
D1216 L-Tyrosine-d4 98%D
100 mg $390   Add to Cart
D53358 D-Tyrosine-d4
25 mg $650   Add to Cart
250 mg $2,200   Add to Cart
N1218 L-Tyrosine-15N 99%15N
100 mg $590   Add to Cart
C1209 L-Tyrosine-(ring)-4-13C 99%13C
0.25 g $625   Add to Cart
C1210 L-Tyrosine-(ring)-3,5-13C2 99%13C
0.1 g $790   Add to Cart
C1212 L-Tyrosine-(ring)-13C6 (N-t-BOC) 99%13C
0.1 g $1,380   Add to Cart
C207 L-Tyrosine-(ring)-13C6,3,3-d2 99%13C
0.1 g $1,080   Add to Cart
D1217 L-Tyrosine-(ring)-d4 (N-t-BOC-O Benzyl Ether) 98%D
0.1 g $630   Add to Cart
D2256 L-Tyrosine-(ring-2,6-d2)-side chain-2-d1
Synonyms:
L-4-Hydroxyphenyl-2,6-d2-alanine-2-d1;
98%D
0.05 g $805   Add to Cart
0.1 g $1,450   Add to Cart
D1215 L-Tyrosine-3,5-d2
Synonyms:
L-4-Hydroxyphenylalanine-(ring-3,5-d2);
99%D
50 mg $290   Add to Cart
C1213 L-Tyrosine-UL-13C9 99%13C
0.25 g $1,080   Add to Cart
0.5 g $1,800   Add to Cart
0.1 g $650   Add to Cart