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1315305-57-7

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1315305-57-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1315305-57-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,1,5,3,0 and 5 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1315305-57:
(9*1)+(8*3)+(7*1)+(6*5)+(5*3)+(4*0)+(3*5)+(2*5)+(1*7)=117
117 % 10 = 7
So 1315305-57-7 is a valid CAS Registry Number.

1315305-57-7Relevant articles and documents

Crystallographic realization of the mathematically predicted densest all-pentagon packing lattice by C5-symmetric "sticky" fluoropentamers

Ren, Changliang,Zhou, Feng,Qin, Bo,Ye, Ruijuan,Shen, Sheng,Su, Haibin,Zeng, Huaqiang

, p. 10612 - 10615 (2012/01/04)

Regular pentagonal adhesive tiles were obtained by designing a cyclic fluoropentamer with an internal CF...HN H-bonded network and "sticky" edges that can glue the molecules together through intermolecular CArH...O=C H bonds. In the crystal they form the mathematically predicted densest all-pentagon 2D lattice with a packing density of 0.921 (see picture). Copyright

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