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 analyze beta-alanine-related impurities, dipeptides, and unprotected amino acids. We specify low acetate and ethyl acetate content, to ensure purer and easier-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
Displaying 1 to 10 (of 20 Products)
Price- Product Name
$420.00... more info
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 Formula: C31H30N2O6 Molecular Weight:  526.58 100 gram
$240.00... more info
Fmoc-Arg(Pbf)-OH 98% Synonym: Nα-Fmoc-Nω-(2,2,4,6,7-pentamethyldihydrobenzofuran-5-sulfonyl)-L-arginine, Nα-Fmoc-Nω-Pbf-L-arginine CAS Number: 154445-77-9 Empirical Formula: C34H40N4O7S Molecular Weight: 648.77 25 gram
$240.00... more info
Fmoc-Asn(Trt)-OH 97% Synonym:  Nα-(9-Fluorenylmethoxycarbonyl)-Nγ-trityl-L-asparagine, Nα-Fmoc-Nγ-trityl-L-asparagine CAS Number: 132388-59-1 Empirical Formula: C38H32N2O5 Molecular Weight: 596.67 100 gram
$240.00... more info
Fmoc-Cys(Trt)-OH 95% Synonym:  N-(9-Fluorenylmethoxycarbonyl)-S-trityl-L-cysteine, Nα-Fmoc-S-trityl-L-cysteine CAS Number: 103213-32-7 Empirical Formula: C37H31NO4S Molecular Weight: 585.71 100 gram
$240.00... more info
Fmoc-Glu(OtBu)-OH 98% Synonym:  Nα-Fmoc-Nδ-trityl-L-glutamine CAS Number: 71989-18-9 Empirical Formula: C24H27NO6 Molecular Weight: 425.47 25 gram
$240.00... more info
Fmoc-His(Trt)-OH 98% Synonym:  Nα-Fmoc-N(im)-trityl-L-histidine CAS Number: 109425-51-6 Empirical Formula: C40H33N3O4 Molecular Weight: 619.71 100 gram
$216.00... more info
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 gram
$216.00... more info
Fmoc-Thr(tBu)-OH 98% Synonym:  Fmoc-O-tert-butyl-L-threonine CAS Number: 71989-35-0 Empirical Formula: C23H27NO5 Molecular Weight:  397.46 100 gram
$216.00... more info
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 Empirical Formula: C28H29NO5 Molecular Weight:  459.53 100 gram
$180.00... more info
Fmoc-Lys(Boc)-OH 98% Synonym:  Nα-Fmoc-Nε-Boc-L-lysine CAS Number: 71989-26-9 Empirical Formula: C26H32N2O6 Molecular Weight: 468.54 100 gram
Displaying 1 to 10 (of 20 Products)
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