Fmoc-Glu(OtBu)-OH - ≥98% , CAS No.71989-18-9

CAS: 71989-18-9 Cat. No.: F100413 Molecular Weight: 425.47 Beilstein Registry Number: 3636375 EC Number: 276-253-8
AVAILABLE TO ORDER
GRADE & PURITY ≥98%
Synonyms
5-tert-Butyl N-[(9H-Fluoren-9-ylmethoxy)carbonyl]-L-glutamate | AS-14175 | Fmoc-Glu(OtBu)-OH, >=98.0% (HPLC) | HY-Y0134 | STL466194 | (2S)-2-(9H-fluoren-9-ylmethoxycarbonylamino)-5-[(2-methylpropan-2-yl)oxy]-5-oxopentanoic acid | 5-tert-Butyl N-Fmoc-L-glu
Storage
Store at 2-8°C,Protected from light
Shipped In
Wet ice
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Status
Price
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1g
F100413-1g
2
$9.90
5g
F100413-5g
3
$10.90
25g
F100413-25g
3

$15.90

$23.90
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100g
F100413-100g
2

$59.90

$89.90
Save $30.00 (33.37%)
500g
F100413-500g
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$298.90

$448.90
Save $150.00 (33.42%)
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Why this grade

≥98% for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

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Storage & shipping

Store at 2-8°C,Protected from light Ships Wet ice Check lot-specific COA for exact specifications.

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Quality documents

SDS, COA, datasheet, and spec sheet available for download. Lot-specific COA accessible via lot number lookup.

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Literature proof

Cited in 1 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Overview

• Ligand in the synthesis of cis-substituted cyclopropane carboxylic acids via C-H activation of cyclopropane carboxamides using Pd catalyst. 

• Linker in the preparation of multi-small molecule-conjugated PTX (paclitaxel) derivatives. 

It can be also used as a building block in the preparation of stapled α-helical peptides  and peptide C-terminal thioesters 

Specifications

Synonyms
5-tert-Butyl N-[(9H-Fluoren-9-ylmethoxy)carbonyl]-L-glutamate | AS-14175 | Fmoc-Glu(OtBu)-OH, >=98.0% (HPLC) | HY-Y0134 | STL466194 | (2S)-2-(9H-fluoren-9-ylmethoxycarbonylamino)-5-[(2-methylpropan-2-yl)oxy]-5-oxopentanoic acid | 5-tert-Butyl N-Fmoc-L-glu
Specifications & Purity
≥98%
Storage
Store at 2-8°C, Protected from light
Shipped In
Wet ice
This product requires cold chain shipping. Ground and other economy services are not available.
Purity
≥98%
Names and Identifiers
Pubchem Sid504760911
Pubchem Sid Urlhttps://pubchem.ncbi.nlm.nih.gov/substance/504760911
Canonical SmilesCC(C)(C)OC(=O)CCC(C(=O)O)NC(=O)OCC1C2=CC=CC=C2C3=CC=CC=C13
IUPAC Name(2S)-2-(9H-fluoren-9-ylmethoxycarbonylamino)-5-[(2-methylpropan-2-yl)oxy]-5-oxopentanoic acid
InChIKeyOTKXCALUHMPIGM-FQEVSTJZSA-N
INCHI1S/C24H27NO6/c1-24(2,3)31-21(26)13-12-20(22(27)28)25-23(29)30-14-19-17-10-6-4-8-15(17)16-9-5-7-11-18(16)19/h4-11,19-20H,12-14H2,1-3H3,(H,25,29)(H,27,28)/t20-/m0/s1
Isomeric SMILES CC(C)(C)OC(=O)CC[C@@H](C(=O)O)NC(=O)OCC1C2=CC=CC=C2C3=CC=CC=C13
WGK Germany 3
Molecular Weight 425.47
Beilstein 3636375
Reaxy-Rn 9874580
Reaxys-RN_link_address https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=9874580&ln=

Documentation

📋 Safety Data Sheet (SDS)

Comprehensive hazard, handling, storage, and regulatory compliance document.

Download SDS →

✅ Certificate of Analysis (COA)

Lot-specific quality data. Enter your lot number to retrieve the exact COA.

Look up COA →

📊 Datasheet

Quick-reference summary of product specifications and applications.

View datasheet →

🔬 Specification Sheet

Full quality attributes and acceptance criteria for this grade.

View spec sheet →

Advanced Data

Taxonomic Classification

Taxonomy Tree

KingdomOrganic compounds
SuperclassOrganic acids and derivatives
ClassCarboxylic acids and derivatives
SubclassAmino acids, peptides, and analogues
Intermediate Tree Nodes Amino acids and derivatives - Alpha amino acids and derivatives
Direct ParentGlutamic acid and derivatives
Alternative Parents Fluorenes  Fatty acid esters  Dicarboxylic acids and derivatives  Carbamate esters  Organic carbonic acids and derivatives  Carboxylic acid esters  Carboxylic acids  Organopnictogen compounds  Organonitrogen compounds  Organic oxides  Hydrocarbon derivatives  Carbonyl compounds  
Molecular FrameworkAromatic homopolycyclic compounds
Substituents Glutamic acid or derivatives - Fluorene - Fatty acid ester - Dicarboxylic acid or derivatives - Fatty acyl - Benzenoid - Carbamic acid ester - Carboxylic acid ester - Carbonic acid derivative - Carboxylic acid - Carbonyl group - Organonitrogen compound - Organooxygen compound - Hydrocarbon derivative - Organic oxide - Organopnictogen compound - Organic oxygen compound - Organic nitrogen compound - Aromatic homopolycyclic compound
DescriptionThis compound belongs to the class of organic compounds known as glutamic acid and derivatives. These are compounds containing glutamic acid or a derivative thereof resulting from reaction of glutamic acid at the amino group or the carboxy group, or from the replacement of any hydrogen of glycine by a heteroatom.
External Descriptors Not available
3D Structure
Interactive Chemical Structure Model





Certificates(CoA,COO,BSE/TSE and Analysis Chart)
C of A & Other Certificates(BSE/TSE, COO):
Analytical Chart:

Find and download the COA for your product by matching the lot number on the packaging.

14 results found

Lot NumberCertificate TypeDateItem
C1826143Certificate of AnalysisOct 14, 2025 F100413
C1826142Certificate of AnalysisOct 14, 2025 F100413
L2111067Certificate of AnalysisSep 17, 2025 F100413
K1912151Certificate of AnalysisSep 11, 2023 F100413
F2605153Certificate of AnalysisJul 26, 2023 F100413
H2318428Certificate of AnalysisJul 26, 2023 F100413
H2318429Certificate of AnalysisJul 26, 2023 F100413
H2318430Certificate of AnalysisJul 26, 2023 F100413
H2318431Certificate of AnalysisJul 26, 2023 F100413
H2318432Certificate of AnalysisJul 26, 2023 F100413
H2318433Certificate of AnalysisJul 26, 2023 F100413
H2318434Certificate of AnalysisJul 26, 2023 F100413
L2516041Certificate of AnalysisJul 26, 2023 F100413
F2316118Certificate of AnalysisNov 29, 2021 F100413

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Chemical and Physical Properties
SolubilitySoluble in Methanol
Sensitivitylight sensitive
Specific Rotation[α]-8 ° (C=1, MeOH)
Melt Point(°C)83-90°C
Molecular Weight425.500 g/mol
XLogP33.900
Hydrogen Bond Donor Count2
Hydrogen Bond Acceptor Count6
Rotatable Bond Count10
Exact Mass425.184 Da
Monoisotopic Mass425.184 Da
Topological Polar Surface Area102.000 Ų
Heavy Atom Count31
Formal Charge0
Complexity635.000
Isotope Atom Count0
Defined Atom Stereocenter Count1
Undefined Atom Stereocenter Count0
Defined Bond Stereocenter Count0
Undefined Bond Stereocenter Count0
The total count of all stereochemical bonds0
Covalently-Bonded Unit Count1
Documents & Articles
Citations of This Product
References
1. Like Lin, Cong Li, Yujiao Zhang, Li Zhang, Lu Gao, Lihua Jin, Yu Shu, Yehua Shen.  (2024)  Effect of Akt-activating peptide obtained from walnut protein degradation on the prevention of memory impairment in mice.  Food & Function,      [PMID:38305469] [10.1039/D3FO04479C]
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