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3-Chloro-propiophenon-2,4-dinitrophenylhydrazon is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

56544-23-1

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56544-23-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 56544-23-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,6,5,4 and 4 respectively; the second part has 2 digits, 2 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 56544-23:
(7*5)+(6*6)+(5*5)+(4*4)+(3*4)+(2*2)+(1*3)=131
131 % 10 = 1
So 56544-23-1 is a valid CAS Registry Number.

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