Cas 54934-28-0,S-phenyl 2,2-dimethyl-3-oxo-3-phenylpropanethioate

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Check Digit Verification of cas no

The CAS Registry Mumber 54934-28-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,4,9,3 and 4 respectively; the second part has 2 digits, 2 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 54934-28:
(7*5)+(6*4)+(5*9)+(4*3)+(3*4)+(2*2)+(1*8)=140
140 % 10 = 0
So 54934-28-0 is a valid CAS Registry Number.

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54934-28-0Relevant academic research and scientific papers

Powerful Ti-crossed Claisen condensation between ketene silyl acetals or thioacetals and acid chlorides or acids

Iida, Akira,Nakazawa, Syogo,Okabayashi, Tomohito,Horii, Atsushi,Misaki, Tomonori,Tanabe, Yoo

, p. 5215 - 5218 (2007/10/03)

A powerful Ti-crossed Claisen condensation between ketene silyl acetals (KSAs) and acid chlorides was successfully performed to give α-monoalkylated esters and thermodynamically unfavorable (less accessible) α,α-dialkylated β-keto esters in good yield (46

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