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106658-66-6

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106658-66-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 106658-66-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,6,6,5 and 8 respectively; the second part has 2 digits, 6 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 106658-66:
(8*1)+(7*0)+(6*6)+(5*6)+(4*5)+(3*8)+(2*6)+(1*6)=136
136 % 10 = 6
So 106658-66-6 is a valid CAS Registry Number.

106658-66-6Relevant articles and documents

CATION-INDUCED CHARGE-TRANSFER ABSORPTIONS OF OLIGOOXA(n.n)PARACYCLOPHANE QUINHYDRONES 1)

Bauer, Helmut,Briaire, Jan,Staab, Heinz A.

, p. 6175 - 6178 (2007/10/02)

Intramolecular (n.n)paracyclophane quinhydrones with two oligooxaalkylene bridges 2a-e (m = 0,1,2,3 and 4, resp.) have been synthesized.The selective double complexation of these compounds with metal cations of suitable size (e.g. 7) is indicated by remarkable enhancements of the intensity of charge-transfer absorptions.

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