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128503-07-1

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128503-07-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 128503-07-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,8,5,0 and 3 respectively; the second part has 2 digits, 0 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 128503-07:
(8*1)+(7*2)+(6*8)+(5*5)+(4*0)+(3*3)+(2*0)+(1*7)=111
111 % 10 = 1
So 128503-07-1 is a valid CAS Registry Number.

128503-07-1Relevant articles and documents

Synthesis arid relation between the antimicrobial activity and dipole moment of some phthalazinone derivatives

Kassim,Abd-El-Nour,Ei-Diwany,Abou-Aiad

, p. 692 - 696 (2007/10/03)

Three new series of phthalizinone derivatives have been prepared from 4-hydroxy-2-phenyl-phthalazin-1(2H)-one (1). The biological activity of these compounds have been tested against gram positive and gram negative bacteria, yeast and fungi using diffusio

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