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Terphenyl polymer with 3,7-dichloro-3,7-dihydro-3,7-diphenyl-1H,5H-benzo[1,2-c:4,5-c']difuran-1,5-dione is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

80975-42-4

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80975-42-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 80975-42-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,0,9,7 and 5 respectively; the second part has 2 digits, 4 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 80975-42:
(7*8)+(6*0)+(5*9)+(4*7)+(3*5)+(2*4)+(1*2)=154
154 % 10 = 4
So 80975-42-4 is a valid CAS Registry Number.

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