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77232-20-3

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77232-20-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 77232-20-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,7,2,3 and 2 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 77232-20:
(7*7)+(6*7)+(5*2)+(4*3)+(3*2)+(2*2)+(1*0)=123
123 % 10 = 3
So 77232-20-3 is a valid CAS Registry Number.

77232-20-3Relevant articles and documents

Benzoxazolyl-stilbenes

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, (2008/06/13)

Benzoxazolyl-stilbenes of the formula STR1 in which R is a 6-membered heterocyclic radical which has 2 nitrogen atoms in the o-position, m-position or p-position relative to one another, and one of Z and Zo is hydrogen and the other is hydrogen or chlorine, and the benzene nucleus A can carry conventional non-chromophoric substituents, processes for their preparation and their use for the fluorescent brightening of organic material.

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