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4-(hydroxymethyl)-2,6-diisopropylphenol is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

33403-20-2

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33403-20-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 33403-20-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,3,4,0 and 3 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 33403-20:
(7*3)+(6*3)+(5*4)+(4*0)+(3*3)+(2*2)+(1*0)=72
72 % 10 = 2
So 33403-20-2 is a valid CAS Registry Number.

33403-20-2Relevant academic research and scientific papers

Unusual transformation of 4-hydroxy/methoxybenzylic alcohols via C[sbnd]C ipso-substitution reaction using proton-exchanged montmorillonite as media

Chen, Dongyin,Chen, Xuan,Dong, Zezhong,Jiang, Nan,Li, Fei,Yun, Yangfang,Zhou, Yu

, (2020)

We present here proton-exchanged montmorillonite-mediated an unusual transformation of 4-hydroxy and 4-methoxybenzylic alcohols to form symmetrical benzylic ethers and diarylmethanes under mild conditions. Nuclear magnetic resonance spectroscopy and density functional theory calculations support a plausible mechanism, which includes a distinctive aromatic C[sbnd]C ipso-substitution reaction with a hydroxymethyl group as the C-based leaving group.

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