N-Carbobenzyloxy-L-leucine - ≥96% , CAS No.2018-66-8

CAS: 2018-66-8 Cat. No.: C108997 Molecular Weight: 265.3 Beilstein Registry Number: 1253861 EC Number: 217-960-3
AVAILABLE TO ORDER
GRADE & PURITY ≥96%
Synonyms
(CARBOBENZYLOXY)-L-LEUCINE | 4-methylsulfonyl-2,6-dinitro-N,N-dipropylaniline | n-carbobenzyloxyleucine | P48HHX9XNP | N-((Phenylmethoxy)carbonyl)-L-leucine | N-alpha-BenZyloxycarbonyl-L-leucine (CbZ-L-Leu-OH) | n-[(benzyloxy)carbonyl]-l-leucine | NSC-600
Storage
Store at 2-8°C
Shipped In
Wet ice
 ·  off list, applied to all prices below.
Size
Status
Price
Qty
5g
C108997-5g
2
$20.90
25g
C108997-25g
1
$65.90
100g
C108997-100g
8-12 wks(?) Production requires sourcing of materials. We appreciate your patience and understanding.
$226.90
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Why this grade

≥96% for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

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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.

Overview

application:

Reactant for:Peptide-based preparation of potential antitumor agents.Preparation of cyclopropyl peptidomimetics.Peptide synthesis

It is employed as a reactant for peptide-based preparation of potential antitumor agents, preparation of cyclopropyl peptidomimetics and peptide synthesis.

Specifications

Synonyms
(CARBOBENZYLOXY)-L-LEUCINE | 4-methylsulfonyl-2, 6-dinitro-N, N-dipropylaniline | n-carbobenzyloxyleucine | P48HHX9XNP | N-((Phenylmethoxy)carbonyl)-L-leucine | N-alpha-BenZyloxycarbonyl-L-leucine (CbZ-L-Leu-OH) | n-[(benzyloxy)carbonyl]-l-leucine | NSC-600
Specifications & Purity
≥96%
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
≥96%
Names and Identifiers
Canonical SmilesCC(C)CC(C(=O)O)NC(=O)OCC1=CC=CC=C1
IUPAC Name(2S)-4-methyl-2-(phenylmethoxycarbonylamino)pentanoic acid
InChIKeyUSPFMEKVPDBMCG-LBPRGKRZSA-N
INCHI1S/C14H19NO4/c1-10(2)8-12(13(16)17)15-14(18)19-9-11-6-4-3-5-7-11/h3-7,10,12H,8-9H2,1-2H3,(H,15,18)(H,16,17)/t12-/m0/s1
Isomeric SMILES CC(C)C[C@@H](C(=O)O)NC(=O)OCC1=CC=CC=C1
WGK Germany 3
RTECS OH2921000
UN Number 1993
Packing Group III
Molecular Weight 265.3
Beilstein 1253861
Reaxy-Rn 1386266
Reaxys-RN_link_address https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=1386266&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 ParentLeucine and derivatives
Alternative Parents Benzene and substituted derivatives  Propargyl-type 1,3-dipolar organic compounds  Monocarboxylic acids and derivatives  Carboxylic acids  Carboximidic acids and derivatives  Organopnictogen compounds  Organonitrogen compounds  Organic oxides  Hydrocarbon derivatives  Carbonyl compounds  
Molecular FrameworkAromatic homomonocyclic compounds
Substituents Leucine or derivatives - Monocyclic benzene moiety - Benzenoid - Organic 1,3-dipolar compound - Propargyl-type 1,3-dipolar organic compound - Monocarboxylic acid or derivatives - Carboxylic acid - Carboximidic acid derivative - Organic oxide - Organic nitrogen compound - Hydrocarbon derivative - Organooxygen compound - Organonitrogen compound - Carbonyl group - Organopnictogen compound - Organic oxygen compound - Aromatic homomonocyclic compound
DescriptionThis compound belongs to the class of organic compounds known as leucine and derivatives. These are compounds containing leucine or a derivative thereof resulting from reaction of leucine at the amino group or the carboxy group, or from the replacement of any hydrogen of glycine by a heteroatom.
External Descriptors carbamate ester - L-leucine derivative
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
F2413180Certificate of AnalysisMay 27, 2024 C108997
F2413217Certificate of AnalysisMay 27, 2024 C108997
F2413223Certificate of AnalysisMay 27, 2024 C108997
F2413237Certificate of AnalysisMay 27, 2024 C108997
Chemical and Physical Properties
SolubilityNot miscible or difficult to mix in water. Soluble in chloroform, DMSO and methanol
Refractive Index1.512
Specific Rotation[α]-17 ° (C=5, EtOH)
Flash Point(°F)230°F
Flash Point(°C)>110℃
Molecular Weight265.300 g/mol
XLogP32.800
Hydrogen Bond Donor Count2
Hydrogen Bond Acceptor Count4
Rotatable Bond Count7
Exact Mass265.131 Da
Monoisotopic Mass265.131 Da
Topological Polar Surface Area75.600 Ų
Heavy Atom Count19
Formal Charge0
Complexity298.000
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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