Z-Asp-OBzl

Name: Z-Asp-OBzl
Brand: ChemScene
Availability: InStock
Rating: 5 (1 reviews)

CAS No. 4779-31-1
Cat. No. CS-W009401
Purity≥98%
MDL No.MFCD00038594

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HazMat Fee

An item is classified as a dangerous good if our website displays Hazardous Material (HazMat) information for it. There is a HazMat shipping fee for each item that qualifies as a dangerous good, except in the following scenarios:

The shipment is processed through FedEx Ground under the Limited Quantity option.

Each bottle is packed as an Excepted Quantity, with a maximum of 1g for items in class 6.1 packing group I or II, and up to 25g for all other hazardous materials.

If shipping is charged to your FedEx account, the HazMat fee will be billed directly by the courier. Otherwise, the fee will be included on your invoice. To help you avoid the HazMat fee, we can package a 5g order of a class 6.1 packing group I or II material as five separate 1g units, and a 100g order of any other dangerous good as four 25g units. This packaging adjustment will be made unless you instruct otherwise on your purchase order. Below, you will find the fee schedule from FedEx for handling hazardous materials.

Type	HazMat Fee
Excepted Quantity	$0.00
FedEx Limited Quantities Ground	$0.00
Hazmat Ground shipping	$50.00+
Inaccessible (Haz class 6.1 or 9), Domestic	$68.00+
Accessible (Haz class 3, 4, 5 or 8), Domestic	$158.00+
Inaccessible (Haz class 6.1 or 9), International	$108.00+
Accessible (Haz class 3, 4, 5 or 8), International	$238.00+

An item is classified as a dangerous good if our website displays Hazardous Material (HazMat) information for it.

There is a HazMat shipping fee for each item that qualifies as a dangerous good. Please contact our quotation team via email to confirm the details.

*For research and further manufacturing use only, not for direct human use.

Structure of 4779-31-1

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Description

Z-Asp-OBzl is a protected aspartic acid derivative featuring a benzyl ester and carbobenzoxy (Cbz) group, enabling seamless incorporation into peptide synthesis. This bench-stable building block facilitates efficient chain elongation under standard conditions while minimizing side reactions.

Application

Z-Asp-OBzl serves as a key dipeptide building block in peptide synthesis, offering orthogonal protection of both α-amino and side-chain carboxyl groups. The Z (benzyloxycarbonyl) group ensures stable α-amino protection during coupling steps, while the Bzl (benzyl) ester facilitates selective deprotection under mild hydrogenolysis conditions. Its bench-stable solid form and compatibility with standard Fmoc and Boc-based workflows make it ideal for synthesizing Aspartic acid-containing peptides, including constrained cyclic sequences and biologically active scaffolds.

General Information

CAS No. 4779-31-1
Cat. No. CS-W009401
Purity ≥98%
MDL No. MFCD00038594
Storage 4°C
Shipping Room temperature in continental US; may vary elsewhere.
Molecular Formula C₁₉H₁₉NO₆
Molecular Weight 357.36
Synonym(s) None
SMILES O=C(C[C@H](NC(OCC1=CC=CC=C1)=O)C(OCC2=CC=CC=C2)=O)O

Computational Chemistry Data

TPSA 101.93
LogP 2.4995
H_Acceptors 5
H_Donors 2
Rotatable_Bonds 8

Safety Information

Download SDS

GHS Pictogram :	GHS No : GHS07
Signal Word : Warning	UN#: N/A
Class : N/A	Packing Group : N/A
Hazard Statements : H302-H315-H319-H335
Precautionary Statements : P261-P264-P270-P271-P280-P302+P352-P304+P340-P305+P351+P338-P330-P362+P364-P403+P233-P405-P501

Quality Control

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Other Classifications

Bioactive Molecules Peptides

Life Science Amino Acids and their Derivatives Aspartic acid and derivatives

Chemical Biology Peptide Chemistry Amine Protection

Chemical Biology Peptide Chemistry Unnatural Amino Acid Derivatives

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Z-Asp-OBzl

CAS No. 4779-31-1

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