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7'-chloro-3'-(2,4-dichlorophenyl)-3',4'-dihydrospiro<1,3-dioxolane-2,1'<1H>thioxanthen>-9'(2'H)-one is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

89756-83-2

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89756-83-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 89756-83-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,9,7,5 and 6 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 89756-83:
(7*8)+(6*9)+(5*7)+(4*5)+(3*6)+(2*8)+(1*3)=202
202 % 10 = 2
So 89756-83-2 is a valid CAS Registry Number.

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