Fmoc-Amino Acids

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Fmoc based solid phase peptide synthesis (SPPS) is a preferred coupling strategy for researchers. Fmoc-Amino Acids are deprotected under basic conditions. The piperidine is used for standard Fmoc removal. Its ease of use and mild deprotection conditions make SPPS a popular technique for studying peptide structure and protein-protein interactions.

LifeTein is happy to provide all the basic building blocks you need for Fmoc based SPPS. For a quotation in bulk quantities please send an e-mail to

As one of the most reliable suppliers of high quality custom peptides, LifeTein is offering lab-proven Fmoc amino acids With brand new low pricing. The Fmoc amino acids that LifeTein offers to our customers are the same amino acids that we use daily in our own peptide production.

The majority of our 20 standard Fmoc-amino acids are specified > 99.00% HPLC purity and > 99.80% enantiomeric purity to guarantee more consistent quality peptides. Fmoc-amino acids can contain traces of acetic acid. LifeTein specifies acetate content of less than 0.02% for all our 20 Fmoc-amino acids. Acetic acid can cause chain termination during synthesis. We analyse beta-alanine-related impurities, dipeptides and unprotected amino acids. We specify low acetate and ethyl acetate content, to ensure purer and more easy to purify peptides.

We prove the quality of our components in our labs, so you can trust the results in yours.

CAS # Cat. # Name
35661-39-3 LTN150309 Fmoc-Ala-OH
154445-77-9 LTN150618 Fmoc-Arg(Pbf)-OH
132388-59-1 LTN150107 Fmoc-Asn(Trt)-OH
71989-14-5 LTN140811 Fmoc-Asp(OtBu)-OH
103213-32-7 LTN150107 Fmoc-Cys(Trt)-OH
132327-80-1 LTN150515 Fmoc-Gln(Trt)-OH
71989-18-9 LTN150620 Fmoc-Glu(OtBu)-OH
29022-11-5 LTN151017 Fmoc-Gly-OH
109425-51-6 LTN141118 Fmoc-His(Trt)-OH
71989-23-6 LTN140813 Fmoc-Ile-OH
35661-60-0 LTN150128 Fmoc-Leu-OH
71989-26-9 LTN150710 Fmoc-Lys(Boc)-OH
71989-28-1 LTN140418 Fmoc-Met-OH
35661-40-6 LTN150114 Fmoc-Phe-OH
71989-31-6 LTN150205 Fmoc-Pro-OH
71989-33-8 LTN150807 Fmoc-Ser(tBu)-OH
71989-35-0 LTN150104 Fmoc-Thr(tBu)-OH
143824-78-6 LTN150606 Fmoc-Trp(Boc)-OH
71989-38-3 LTN150518 Fmoc-Tyr(tBu)-OH
68858-20-8 LTN150124 Fmoc-Val-OH
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Fmoc-Leu-OH 98% Synonym:  N-(9-Fluorenylmethoxycarbonyl)-L-leucine, Fmoc-L-leucine CAS Number: 35661-60-0 Empirical Formula: C21H23NO4 ...
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Fmoc-Lys(Boc)-OH 98% Synonym:  Nα-Fmoc-Nε-Boc-L-lysine CAS Number: 71989-26-9 Empirical Formula: C26H32N2O6 Molecular Weight: 468.54...
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Fmoc-Met-OH 98% Synonym:  Fmoc-L-methionine CAS Number: 71989-28-1 Empirical Formula: C20H21NO4S Molecular Weight: 371.45 100 gram
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Fmoc-Phe-OH 98% Synonym:  N-(9-Fluorenylmethoxycarbonyl)-L-phenylalanine, Fmoc-L-phenylalanine CAS Number: 35661-40-6 Empirical Formula:...
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Fmoc-Pro-OH 99% Synonym:  N-(9-Fluorenylmethoxycarbonyl)-L-proline, Fmoc-L-proline CAS Number: 71989-31-6 Empirical Formula: C20H19NO4 ...
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Fmoc-Ser(tBu)-OH 98% Synonym:  Fmoc-O-tert-butyl-L-serine CAS Number: 71989-33-8 Empirical Formula: C22H25NO5 Molecular Weight:  383.44 100...
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Fmoc-Thr(tBu)-OH 98% Synonym:  Fmoc-O-tert-butyl-L-threonine CAS Number: 71989-35-0 Empirical Formula: C23H27NO5 Molecular Weight:  397.46 ...
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Fmoc-Trp(Boc)-OH 98% Synonym:  Nα-Fmoc-N(in)-Boc-L-tryptophan, N(in)-Boc-Nα-Fmoc-L-tryptophan CAS Number: 143824-78-6 Empirical...
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Fmoc-Tyr(tBu)-OH 98% Synonym: N-(9-Fluorenylmethoxycarbonyl)-O-tert-butyl-L-tyrosine, Fmoc-O-tert-butyl-L-tyrosine CAS Number: 71989-38-3 ...
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Fmoc-Val-OH 98% Synonym:  N-(9-Fluorenylmethoxycarbonyl)-L-valine, Fmoc-L-valine CAS Number: 68858-20-8 Empirical Formula: C20H21NO4 Molecular...
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