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11-acetoxy-1,3,10-trioxo-4,11-diphenyl-1,2,3,11-tetrahydro-10H-chromeno[2,3-f]isoindole-11a-carbonitrile is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

19987-77-0

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19987-77-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 19987-77-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,9,9,8 and 7 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 19987-77:
(7*1)+(6*9)+(5*9)+(4*8)+(3*7)+(2*7)+(1*7)=180
180 % 10 = 0
So 19987-77-0 is a valid CAS Registry Number.

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