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146273-17-8

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146273-17-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 146273-17-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,6,2,7 and 3 respectively; the second part has 2 digits, 1 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 146273-17:
(8*1)+(7*4)+(6*6)+(5*2)+(4*7)+(3*3)+(2*1)+(1*7)=128
128 % 10 = 8
So 146273-17-8 is a valid CAS Registry Number.

146273-17-8Relevant articles and documents

Synthesis and Biological Activity of some 2-Aryl-4H-1-benzopyran-4-ones

Coutinho, Dionysia L. M.,Fernandes, Peter S.

, p. 265 - 267 (2007/10/02)

A new three-step synthesis of 2-(4-aminophenyl)-4H-1-benzopyran-4-one (4) is reported. 2--4H-1-benzopyran-4-one (6a-c) and 2--4H-1-benzopyran-4-one (7a-c) have been synthesised f

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