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83020-75-1

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83020-75-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 83020-75-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,3,0,2 and 0 respectively; the second part has 2 digits, 7 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 83020-75:
(7*8)+(6*3)+(5*0)+(4*2)+(3*0)+(2*7)+(1*5)=101
101 % 10 = 1
So 83020-75-1 is a valid CAS Registry Number.

83020-75-1Relevant articles and documents

Double Michael addition reaction of oxophorone and its derivatives leading to bicyclo[2.2.2]octane Compounds

Hagiwara, Hisahiro,Yamada, Yu,Sakai, Hitoshi,Suzuki, Toshio,Ando, Masayoshi

, p. 10999 - 11010 (1998)

Trimethylsilylenol ethers of oxophorone 1 and its derivatives provided bicyclo[2.2.2]octane compounds 5 in a selective way.

An expedient access to highly functionalized B-seco taxoid frameworks

Arseniyadis,Martin Hernando,Quilez Del Moral,Yashunsky,Potier

, p. 3489 - 3492 (2007/10/03)

We report a convergent approach which proceeds in the A+C→A C direction and leads in a straightforward manner to the conveniently functionalized B- seco-taxane frameworks 7 and 8, offering linkage possibilities at C1-C2.

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