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457889-87-1

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457889-87-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 457889-87-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,5,7,8,8 and 9 respectively; the second part has 2 digits, 8 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 457889-87:
(8*4)+(7*5)+(6*7)+(5*8)+(4*8)+(3*9)+(2*8)+(1*7)=231
231 % 10 = 1
So 457889-87-1 is a valid CAS Registry Number.

457889-87-1Downstream Products

457889-87-1Relevant articles and documents

Functional disubstituted polyacetylenes and soluble cross-linked polyenes: Effects of pendant groups or side chains on liquid crystallinity and light emission of poly(1-phenyl-l-undecyne)s

Lam, Jacky W.Y.,Dong, Yuping,Law, Charles C.W.,Dong, Yongqiang,Cheuk, Kevin K.L.,Lai, Lo Ming,Li, Zhen,Sun, Jingzhi,Chen, Hongzheng,Zheng, Qiang,Kwok, Hoi Sing,Wang, Mang,Feng, Xinde,Shen, Jiacong,Tang, Ben Zhong

, p. 3290 - 3300 (2007/10/03)

A group of new poly(1-phenyl-1-undecyne)s with different mesogenic and chromophoric pendant groups or side chains were successfully synthesized and the structural variations were found to greatly affect the mesomorphic and luminescent properties of the po

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