Z-Asp-OMe

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

CAS No. 4668-42-2
Cat. No. CS-W010044
Purity≥98%
MDL No.MFCD00083277

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HazMat Fee

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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 4668-42-2

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Description

Z-Asp-OMe features a protected aspartic acid side chain with a benzyloxycarbonyl (Z) group and methyl ester terminus, enabling stable incorporation into peptide synthesis. This derivative facilitates efficient coupling reactions under standard conditions while minimizing side reactions, offering reliable access to aspartate-containing sequences in both solid-phase and solution-phase workflows.

Application

Z-Asp-OMe serves as a key chiral building block in peptide synthesis, enabling efficient construction of Asp-containing sequences with high stereocontrol. The Z (benzyloxycarbonyl) group provides robust protection of the α-amino function, while the methyl ester facilitates selective activation and coupling under standard conditions. Its bench-stable solid form and compatibility with common coupling reagents make it ideal for both manual and automated synthesis workflows.

General Information

CAS No. 4668-42-2
Cat. No. CS-W010044
Purity ≥98%
MDL No. MFCD00083277
Storage 4°C
Shipping Room temperature in continental US; may vary elsewhere.
Molecular Formula C₁₃H₁₅NO₆
Molecular Weight 281.26
Synonym(s) None
SMILES O=C(C[C@H](NC(OCC1=CC=CC=C1)=O)C(OC)=O)O

Computational Chemistry Data

TPSA 101.93
LogP 0.9291
H_Acceptors 5
H_Donors 2
Rotatable_Bonds 6

Safety Information

Download SDS

GHS Pictogram :	GHS No : GHS05,GHS07
Signal Word : Danger	UN#: 3261
Class : 8	Packing Group : Ⅲ
Hazard Statements : H302+H332-H318
Precautionary Statements : P261-P264-P270-P271-P280-P304+P340-P330-P501

Quality Control

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Other Classifications

Bioactive Molecules Peptides

Life Science Amino Acids and their Derivatives Aspartic acid and derivatives

Life Science Amino Acids and their Derivatives N-protected amino acid

Chemical Biology Pharmaceutical Development and Drug Discovery Research Peptide Chemistry Amino Acid Derivatives

Chemical Biology Pharmaceutical Development and Drug Discovery Research Reagents Peptide Chemistry Amino Acid Derivatives

Chemical Biology Peptide Chemistry Amine Protection

Chemical Biology Peptide Chemistry Unnatural Amino Acid Derivatives

Biochemistry Biochemicals and Reagents Amino Acids C-ProtectedAmino Acids

Biochemistry Biochemicals and Reagents Amino Acids N-Protected Amino Acids

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Z-Asp-OMe

CAS No. 4668-42-2

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