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74920-67-5

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74920-67-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 74920-67-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,4,9,2 and 0 respectively; the second part has 2 digits, 6 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 74920-67:
(7*7)+(6*4)+(5*9)+(4*2)+(3*0)+(2*6)+(1*7)=145
145 % 10 = 5
So 74920-67-5 is a valid CAS Registry Number.

74920-67-5Upstream product

74920-67-5Relevant articles and documents

Synthesis and Characterization of Ethidium Analogs: Emphasis on Amino and Azido Substituents

Firth, William J.,Watkins, Charles L.,Graves, David E.,Yielding, Lerena W.

, p. 759 - 765 (2007/10/02)

A series of eight ethidium derivatives has been synthesized in which the substituents at R3 and R8 have been varied with hydrogen, azido and amino functions.Three of these compounds are new and their synthesis and characterization by

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