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6,6′-bis(4,5-dihydro-6H-cyclopenta[b]thienylidene) is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

158962-72-2

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158962-72-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 158962-72-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,8,9,6 and 2 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 158962-72:
(8*1)+(7*5)+(6*8)+(5*9)+(4*6)+(3*2)+(2*7)+(1*2)=182
182 % 10 = 2
So 158962-72-2 is a valid CAS Registry Number.

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