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6,7-di-naphthalen-2-yl-1,3-dithia-5,8-diaza-cyclopenta[b]naphthalen-2-one is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

1421822-97-0

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1421822-97-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1421822-97-0 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,2,1,8,2 and 2 respectively; the second part has 2 digits, 9 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1421822-97:
(9*1)+(8*4)+(7*2)+(6*1)+(5*8)+(4*2)+(3*2)+(2*9)+(1*7)=140
140 % 10 = 0
So 1421822-97-0 is a valid CAS Registry Number.

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