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(S)-(-)-o-methoxyphenyl p-tolyl sulfoxide is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

20663-32-5

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20663-32-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 20663-32-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,0,6,6 and 3 respectively; the second part has 2 digits, 3 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 20663-32:
(7*2)+(6*0)+(5*6)+(4*6)+(3*3)+(2*3)+(1*2)=85
85 % 10 = 5
So 20663-32-5 is a valid CAS Registry Number.

20663-32-5Relevant academic research and scientific papers

Palladium-Catalyzed Enantioselective C?H Olefination of Diaryl Sulfoxides through Parallel Kinetic Resolution and Desymmetrization

Zhu, Yu-Chao,Li, Yan,Zhang, Bo-Chao,Zhang, Feng-Xu,Yang, Yi-Nuo,Wang, Xi-Sheng

, p. 5129 - 5133 (2018/03/27)

The first example of PdII-catalyzed enantioselective C?H olefination with non-chiral or racemic sulfoxides as directing groups was developed. A variety of chiral diaryl sulfoxides were synthesized with high enantioselectivity (up to 99 %) throu

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