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2-{2-nitrophenyl}-5-[(2-{2-nitrophenyl}-1,3-dioxo-2,3-dihydro-1H-isoindol-5-yl)oxy]-1H-isoindole-1,3(2H)-dione is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

331675-71-9

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331675-71-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 331675-71-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,3,1,6,7 and 5 respectively; the second part has 2 digits, 7 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 331675-71:
(8*3)+(7*3)+(6*1)+(5*6)+(4*7)+(3*5)+(2*7)+(1*1)=139
139 % 10 = 9
So 331675-71-9 is a valid CAS Registry Number.

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