1-Benzyl N-Carbobenzoxy-L-glutamate - ≥95% , CAS No.3705-42-8

CAS: 3705-42-8 Cat. No.: B133677 Molecular Weight: 371.39
AVAILABLE TO ORDER
GRADE & PURITY ≥95%
Synonyms
N-Carbobenzyloxy-L-glutamic Acid O-Benzyl Ester | N-alpha-Benzyloxycarbonyl-L-glutamic-acid-alpha-benzyl ester | (4S)-5-(Benzyloxy)-4-{[(benzyloxy)carbonyl]amino}-5-oxopentanoic acid (non-preferred name) | CAS-5187-23-5 | (S)-5-(Benzyloxy)-4-(((benzyloxy)
Storage
Store at 2-8°C
Shipped In
Wet ice
 ·  off list, applied to all prices below.
Size
Status
Price
Qty
1g
B133677-1g
2
$9.90
5g
B133677-5g
3
$10.90
25g
B133677-25g
3

$34.90

$52.90
Save $18.00 (34.03%)
100g
B133677-100g
1

$117.90

$176.90
Save $59.00 (33.35%)
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Why this grade

≥95% for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

🌡

Storage & shipping

Store at 2-8°C 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 0 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Specifications

Synonyms
N-Carbobenzyloxy-L-glutamic Acid O-Benzyl Ester | N-alpha-Benzyloxycarbonyl-L-glutamic-acid-alpha-benzyl ester | (4S)-5-(Benzyloxy)-4-{[(benzyloxy)carbonyl]amino}-5-oxopentanoic acid (non-preferred name) | CAS-5187-23-5 | (S)-5-(Benzyloxy)-4-(((benzyloxy)
Specifications & Purity
≥95%
Biochemical and Physiological Mechanisms
N-Carbobenzyloxy-L-glutamic Acid O-Benzyl Ester is a new glutamate analogue used as a potential neuroprotective agent.
Storage
Store at 2-8°C
Shipped In
Wet ice
This product requires cold chain shipping. Ground and other economy services are not available.
Purity
≥95%
Names and Identifiers
Pubchem Sid504764453
Pubchem Sid Urlhttps://pubchem.ncbi.nlm.nih.gov/substance/504764453
Canonical SmilesC1=CC=C(C=C1)COC(=O)C(CCC(=O)O)NC(=O)OCC2=CC=CC=C2
IUPAC Name(4S)-5-oxo-5-phenylmethoxy-4-(phenylmethoxycarbonylamino)pentanoic acid
InChIKeyVWHKODOUMSMUAF-KRWDZBQOSA-N
INCHI1S/C20H21NO6/c22-18(23)12-11-17(19(24)26-13-15-7-3-1-4-8-15)21-20(25)27-14-16-9-5-2-6-10-16/h1-10,17H,11-14H2,(H,21,25)(H,22,23)/t17-/m0/s1
Isomeric SMILES C1=CC=C(C=C1)COC(=O)[C@H](CCC(=O)O)NC(=O)OCC2=CC=CC=C2
Molecular Weight 371.39
Reaxy-Rn 448651
Reaxys-RN_link_address https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=448651&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.

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📊 Datasheet

Quick-reference summary of product specifications and applications.

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🔬 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 Alpha amino acid esters  Benzyloxycarbonyls  Fatty acid esters  Dicarboxylic acids and derivatives  Carbamate esters  Carboxylic acid esters  Carboxylic acids  Organonitrogen compounds  Organic oxides  Hydrocarbon derivatives  Carbonyl compounds  
Molecular FrameworkAromatic homomonocyclic compounds
Substituents Glutamic acid or derivatives - Alpha-amino acid ester - Benzyloxycarbonyl - Fatty acid ester - Monocyclic benzene moiety - Fatty acyl - Benzenoid - Dicarboxylic acid or derivatives - Carbamic acid ester - Carboxylic acid ester - Carboxylic acid - Organic nitrogen compound - Organonitrogen compound - Organooxygen compound - Hydrocarbon derivative - Carbonyl group - Organic oxide - Organic oxygen compound - Aromatic homomonocyclic 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.

4 results found

Lot NumberCertificate TypeDateItem
A1530024Certificate of AnalysisMar 20, 2026 B133677
D2001162Certificate of AnalysisAug 15, 2025 B133677
K2120125Certificate of AnalysisSep 15, 2023 B133677
K2120127Certificate of AnalysisSep 15, 2023 B133677
Chemical and Physical Properties
SolubilitySoluble in Methanol
Specific Rotation[α]-24°
Melt Point(°C)100 °C
Molecular Weight371.400 g/mol
XLogP32.700
Hydrogen Bond Donor Count2
Hydrogen Bond Acceptor Count6
Rotatable Bond Count11
Exact Mass371.137 Da
Monoisotopic Mass371.137 Da
Topological Polar Surface Area102.000 Ų
Heavy Atom Count27
Formal Charge0
Complexity483.000
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
Solution Calculators
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