Cas 54755-89-4,Ethanone, 2-(acetyloxy)-2-[(4-methylphenyl)thio]-1-phenyl-

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Check Digit Verification of cas no

The CAS Registry Mumber 54755-89-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,4,7,5 and 5 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 54755-89:
(7*5)+(6*4)+(5*7)+(4*5)+(3*5)+(2*8)+(1*9)=154
154 % 10 = 4
So 54755-89-4 is a valid CAS Registry Number.

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54755-89-4Relevant academic research and scientific papers

Pummerer reaction of sulfoxides in acetic anhydride catalyzed by Al-MCM-41

Ito, Suguru,Kubota, Yoshihiro,Asami, Masatoshi

, p. 16 - 18 (2016)

The Pummerer reaction of acetic anhydride with both alkyl aryl sulfoxides and dialkyl sulfoxides was efficiently promoted by a mesoporous aluminosilicate Al-MCM-41 to afford the corresponding α-acetoxy sulfides in high yields. The catalyst was easily reco

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