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91496-51-4

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91496-51-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 91496-51-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,1,4,9 and 6 respectively; the second part has 2 digits, 5 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 91496-51:
(7*9)+(6*1)+(5*4)+(4*9)+(3*6)+(2*5)+(1*1)=154
154 % 10 = 4
So 91496-51-4 is a valid CAS Registry Number.

91496-51-4Relevant articles and documents

Synthesis of cyclobutanones via gold-catalyzed oxidative rearrangement of homopropargylic ethers

Xu, Mei,Ren, Tian-Tian,Wang, Kai-Bing,Li, Chuan-Ying

, p. 2488 - 2494 (2013/10/21)

In the presence of a gold catalyst and 8-ethylquinoline N-oxide, a homopropargylic ether bearing an electron-rich aromatic ring or an alkenyl group can be converted into a cis-cyclobutanone smoothly. An α-oxo gold carbenoid is proved to be the key interme

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