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

54399-14-3

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54399-14-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 54399-14-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,4,3,9 and 9 respectively; the second part has 2 digits, 1 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 54399-14:
(7*5)+(6*4)+(5*3)+(4*9)+(3*9)+(2*1)+(1*4)=143
143 % 10 = 3
So 54399-14-3 is a valid CAS Registry Number.

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