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3a-ethyl-2,3,3a,5a,6,12b-hexahydro-1H,5H-6,12a-diaza-indeno[7,1-cd]fluorene-4,12-dione is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

477807-82-2

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477807-82-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 477807-82-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,7,7,8,0 and 7 respectively; the second part has 2 digits, 8 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 477807-82:
(8*4)+(7*7)+(6*7)+(5*8)+(4*0)+(3*7)+(2*8)+(1*2)=202
202 % 10 = 2
So 477807-82-2 is a valid CAS Registry Number.

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