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874219-62-2

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874219-62-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 874219-62-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,7,4,2,1 and 9 respectively; the second part has 2 digits, 6 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 874219-62:
(8*8)+(7*7)+(6*4)+(5*2)+(4*1)+(3*9)+(2*6)+(1*2)=192
192 % 10 = 2
So 874219-62-2 is a valid CAS Registry Number.

874219-62-2Downstream Products

874219-62-2Relevant articles and documents

A novel approach to the synthesis of 11,11-dimethyl-bisbenzopyran-5-ones

Jain, Nareshkumar,Xu, Jiayi,Chen, Ningyi,Sui, Zhihua

, p. 225 - 228 (2006)

A facile route for the synthesis of 11,11-dimethyl-bisbenzopyran-5-ones ring system is described. The key step, the late stage oxidation of the allylic methylene group was achieved by benzyl(triethyl)ammonium permanganate in CH 2Cl2.

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