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9H-Fluorene-9-carboxamide, 9-[1-cyano-2-oxo-2-(1-piperidinyl)ethyl]-N-(triphenylphosphoranylidene) - is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

63319-53-9

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63319-53-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 63319-53-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,3,3,1 and 9 respectively; the second part has 2 digits, 5 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 63319-53:
(7*6)+(6*3)+(5*3)+(4*1)+(3*9)+(2*5)+(1*3)=119
119 % 10 = 9
So 63319-53-9 is a valid CAS Registry Number.

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