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187801-62-3

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187801-62-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 187801-62-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,8,7,8,0 and 1 respectively; the second part has 2 digits, 6 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 187801-62:
(8*1)+(7*8)+(6*7)+(5*8)+(4*0)+(3*1)+(2*6)+(1*2)=163
163 % 10 = 3
So 187801-62-3 is a valid CAS Registry Number.

187801-62-3Downstream Products

187801-62-3Relevant articles and documents

Diastereoselective construction of trans-fused octalone framework via ruthenium-porphyrin-catalyzed cycloaddition

Terada, Takuma,Kurahashi, Takuya,Matsubara, Seijiro

, p. 2594 - 2597 (2014)

Lewis acid catalyzed cycloaddition of cyclohexenone and butadiene affords trans-fused octalone with high regio- and diastereoselectivity. The use of the ruthenium porphyrin complex as the Lewis acid catalyst is key to the reaction. The cycloaddition proce

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