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154490-50-3

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154490-50-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 154490-50-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,4,4,9 and 0 respectively; the second part has 2 digits, 5 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 154490-50:
(8*1)+(7*5)+(6*4)+(5*4)+(4*9)+(3*0)+(2*5)+(1*0)=133
133 % 10 = 3
So 154490-50-3 is a valid CAS Registry Number.

154490-50-3Relevant articles and documents

A formal new access to the benzo[c]phenanthridine alkaloids, synthesis of Nitidine and O-Methyl Fagaronine analogues

Janin,Bisagni

, p. 10305 - 10316 (2007/10/02)

Previously unreported 2-aryl-1-naphthylamines were obtained in good yields from 2-aryl-1-tetraloneoximes by using the Semmler-Wolf reaction but omitting the acetic anhydride usually present in the reaction mixture. From these amines, through the thermal cyclization of their corresponding ethyl carbamates, a new access to the benzo[c]phenanthridin-6(5H)-ones was found. Preparation of water-soluble Nitidine and O-Methyl Fagaronine analogues bearing an alkylamino side chain on the C-6 position was achieved from these compounds.

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