5-LOX-IN-9

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CAS No. 2668-47-5
Cat. No. CS-0961712
Purity≥98%
MDL No.MFCD00082900

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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 2668-47-5

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Description

3,5-Di-tert-butyl-[1,1-biphenyl]-4-ol features a sterically shielded biphenyl scaffold with electron-rich phenolic functionality. The bulky tert-butyl groups at the 3 and 5 positions confer exceptional steric protection to the hydroxyl group, enhancing stability under oxidative conditions. This configuration enables reliable use in catalytic systems and as a robust ligand scaffold in transition metal chemistry.

Application

3,5-Di-tert-butyl-[1,1-biphenyl]-4-ol serves as a sterically hindered phenolic building block for the synthesis of functionalized biphenyl scaffolds. Its ortho-di-tert-butyl substitution imparts exceptional bench stability and resistance to oxidation, enabling reliable use in Suzuki-Miyaura coupling and electrophilic aromatic substitution. The phenolic hydroxyl group facilitates downstream derivatization while maintaining compatibility with common protecting group strategies.

General Information

CAS No. 2668-47-5
Cat. No. CS-0961712
Purity ≥98%
MDL No. MFCD00082900
Storage 4°C, stored under nitrogen
Shipping Room temperature in continental US; may vary elsewhere.
Molecular Formula C₂₀H₂₆O
Molecular Weight 282.43
Synonym(s) None
SMILES OC=1C(=CC(=CC1C(C)(C)C)C=2C=CC=CC2)C(C)(C)C

Computational Chemistry Data

TPSA 20.23
LogP 5.6542
H_Acceptors 1
H_Donors 1
Rotatable_Bonds 1

Safety Information

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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

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Other Classifications

Building Blocks Skeleton Aromatic ring compounds Benzene compounds

Key Words

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