Cas 140458-57-7,1-nitro-4-(10,12-octadecadiynyloxy)benzene

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Check Digit Verification of cas no

The CAS Registry Mumber 140458-57-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,0,4,5 and 8 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 140458-57:
(8*1)+(7*4)+(6*0)+(5*4)+(4*5)+(3*8)+(2*5)+(1*7)=117
117 % 10 = 7
So 140458-57-7 is a valid CAS Registry Number.

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140458-57-7Relevant articles and documents

PHENOLIC ETHERS OF DECA- AND OCTADECADIYNYL ALCOHOLS

Kolotilo, N. V.,Kolesnikov, A. M.,Karpik, E. N.,Budilova, I. Yu.,Il'chenko, A. Ya.

, p. 1223 - 1226 (2007/10/02)

The reaction of 2,4-decadiynyl bromide and 10,12-octadecadiynyl p-toluenesulfonate with para-substituted phenols was investigated.Amphiphilic diacetylenic phenolic ethers were obtained.The products are of interest as new materials for the production of La

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140458-57-7