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3-[1-Naphthalen-1-yl-meth-(E)-ylidene]-3H-benzo[de]isochromen-1-one is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

82776-90-7

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82776-90-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 82776-90-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,2,7,7 and 6 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 82776-90:
(7*8)+(6*2)+(5*7)+(4*7)+(3*6)+(2*9)+(1*0)=167
167 % 10 = 7
So 82776-90-7 is a valid CAS Registry Number.

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