N-Benzyloxycarbonyl-L-aspartic acid 1-benzyl ester - ≥95% , CAS No.4779-31-1

CAS: 4779-31-1 Cat. No.: N134979 Molecular Weight: 357.36
AVAILABLE TO ORDER
GRADE & PURITY ≥95%
Synonyms
(3S)-4-oxidanylidene-4-phenylmethoxy-3-(phenylmethoxycarbonylamino)butanoic acid | DTXSID60426388 | A827341 | UYOZWZKJQRBZRH-INIZCTEOSA-N | Z-Asp-OBzl | benzyloxycarbonyl-l-aspartic-benzyl ester | Z-Asp-OBn | (s)-4-(benzyloxy)-3-(benzyloxycarbonylamino)-4
Storage
Store at -20°C
Shipped In
Ice chest + Ice pads
 ·  off list, applied to all prices below.
Size
Status
Price
Qty
250mg
N134979-250mg
3
$9.90
1g
N134979-1g
1
$10.90
5g
N134979-5g
3
$11.90
10g
N134979-10g
1
$12.90
25g
N134979-25g
3

$23.90

$35.90
Save $12.00 (33.43%)
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Why this grade

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

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Storage & shipping

Store at -20°C Ships Ice chest + Ice pads 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
(3S)-4-oxidanylidene-4-phenylmethoxy-3-(phenylmethoxycarbonylamino)butanoic acid | DTXSID60426388 | A827341 | UYOZWZKJQRBZRH-INIZCTEOSA-N | Z-Asp-OBzl | benzyloxycarbonyl-l-aspartic-benzyl ester | Z-Asp-OBn | (s)-4-(benzyloxy)-3-(benzyloxycarbonylamino)-4
Specifications & Purity
≥95%
Storage
Store at -20°C
Shipped In
Ice chest + Ice pads
This product requires cold chain shipping. Ground and other economy services are not available.
Purity
≥95%
Names and Identifiers
Pubchem Sid504764457
Pubchem Sid Urlhttps://pubchem.ncbi.nlm.nih.gov/substance/504764457
Canonical SmilesC1=CC=C(C=C1)COC(=O)C(CC(=O)O)NC(=O)OCC2=CC=CC=C2
IUPAC Name(3S)-4-oxo-4-phenylmethoxy-3-(phenylmethoxycarbonylamino)butanoic acid
InChIKeyUYOZWZKJQRBZRH-INIZCTEOSA-N
INCHI1S/C19H19NO6/c21-17(22)11-16(18(23)25-12-14-7-3-1-4-8-14)20-19(24)26-13-15-9-5-2-6-10-15/h1-10,16H,11-13H2,(H,20,24)(H,21,22)/t16-/m0/s1
Isomeric SMILES C1=CC=C(C=C1)COC(=O)[C@H](CC(=O)O)NC(=O)OCC2=CC=CC=C2
Molecular Weight 357.36
Reaxy-Rn 2484809
Reaxys-RN_link_address https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=2484809&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.

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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 ParentAspartic 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 Aspartic 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 aspartic acid and derivatives. These are compounds containing an aspartic acid or a derivative thereof resulting from reaction of aspartic 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.

5 results found

Lot NumberCertificate TypeDateItem
C2204410Certificate of AnalysisSep 09, 2025 N134979
C2204419Certificate of AnalysisSep 09, 2025 N134979
C2204420Certificate of AnalysisSep 09, 2025 N134979
L2420474Certificate of AnalysisDec 19, 2023 N134979
F1525097Certificate of AnalysisJan 24, 2023 N134979
Chemical and Physical Properties
SolubilitySoluble in Acetone, Chloroform, Dichloromethane and Ether
Melt Point(°C)82-83°C
Molecular Weight357.400 g/mol
XLogP32.400
Hydrogen Bond Donor Count2
Hydrogen Bond Acceptor Count6
Rotatable Bond Count10
Exact Mass357.121 Da
Monoisotopic Mass357.121 Da
Topological Polar Surface Area102.000 Ų
Heavy Atom Count26
Formal Charge0
Complexity469.000
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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