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1307885-90-0

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1307885-90-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1307885-90-0 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,0,7,8,8 and 5 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1307885-90:
(9*1)+(8*3)+(7*0)+(6*7)+(5*8)+(4*8)+(3*5)+(2*9)+(1*0)=180
180 % 10 = 0
So 1307885-90-0 is a valid CAS Registry Number.

1307885-90-0Relevant articles and documents

Electrophilic carbocyclization of hydroxylated enynes

Yang, Fang,Ji, Ke-Gong,Zhu, Hai-Tao,Shaukat, Ali,Liu, Xue-Yuan,Liang, Yong-Min

supporting information; experimental part, p. 4986 - 4990 (2011/05/30)

Mild, efficient, and clean! Six-membered cyclic products including diiodocyclohexadiene and 2,3-diiodobenzene have been prepared in a iodonium-induced internal carbocyclization of hydroxylated enynes (see scheme). This reaction proceeds smoothly under mild reaction conditions, and all the halogen atoms (I and Br) generated from the electrophiles are used effectively.

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