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57239-56-2

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57239-56-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 57239-56-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,7,2,3 and 9 respectively; the second part has 2 digits, 5 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 57239-56:
(7*5)+(6*7)+(5*2)+(4*3)+(3*9)+(2*5)+(1*6)=142
142 % 10 = 2
So 57239-56-2 is a valid CAS Registry Number.

57239-56-2Downstream Products

57239-56-2Relevant articles and documents

Indium-catalyzed direct conversion of dibenzyl ethers to dibenzyl sulfides using elemental sulfur and a hydrosilane and its application to the preparation of benzyl selenides

Sakai, Norio,Takada, Koji,Katayama, Masahiro,Ogiwara, Yohei

, p. 791 - 793 (2018)

Described herein is a catalytic system composed of an indium(III) compound, a hydrosilane and an easily handled form of elemental sulfur (S8) that effectively and directly catalyzes the sulfidation of dibenzyl ethers to produce dibenzyl sulfides. This system could also be applied to selenium in a straightforward conversion to dibenzyl selenides.

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