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2,5-Bis-[1-(4-benzyloxy-3,5-dimethoxy-phenyl)-meth-(E)-ylidene]-cyclopentanone is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

56720-24-2

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56720-24-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 56720-24-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,6,7,2 and 0 respectively; the second part has 2 digits, 2 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 56720-24:
(7*5)+(6*6)+(5*7)+(4*2)+(3*0)+(2*2)+(1*4)=122
122 % 10 = 2
So 56720-24-2 is a valid CAS Registry Number.

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