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7,7'-diacetoxy-2,2'-bis-(4-acetoxy-phenyl)-5,5'-dihydroxy-2,3,2',3'-tetrahydro-[3,3']bichromenyl-4,4'-dione is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

853773-33-8

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853773-33-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 853773-33-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,5,3,7,7 and 3 respectively; the second part has 2 digits, 3 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 853773-33:
(8*8)+(7*5)+(6*3)+(5*7)+(4*7)+(3*3)+(2*3)+(1*3)=198
198 % 10 = 8
So 853773-33-8 is a valid CAS Registry Number.

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