Cas 154371-67-2,7-bromo-4-isopropyl-2-(4-tolylsulfonyloxy)tropone

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Check Digit Verification of cas no

The CAS Registry Mumber 154371-67-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,4,3,7 and 1 respectively; the second part has 2 digits, 6 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 154371-67:
(8*1)+(7*5)+(6*4)+(5*3)+(4*7)+(3*1)+(2*6)+(1*7)=132
132 % 10 = 2
So 154371-67-2 is a valid CAS Registry Number.

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154371-67-2Relevant academic research and scientific papers

Synthesis and Mercurophilic Properties of Sulfur-Containing Troponoid Crown Ethers

Takeshita, Hitoshi,Yin, Bing Zhu,Kubo, Kanji,Mori, Akira

, p. 3451 - 3455 (1993)

Condensation of 2,7-dibromotropone and 7-bromo-4-isopropyl-2-(4-tolysulfonyloxy)tropone with oligoethylene glycol bis(2-mercaptoethyl) ethers gave sulfur-containing crown ether derivatives.Among these mercurophilic derivatives, triethylene glycol bis(2-me

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