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11-Chloro-2-ethylthio-7-fluoro-10,11-dihydrodibenzothiepin is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

70931-71-4

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70931-71-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 70931-71-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,0,9,3 and 1 respectively; the second part has 2 digits, 7 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 70931-71:
(7*7)+(6*0)+(5*9)+(4*3)+(3*1)+(2*7)+(1*1)=124
124 % 10 = 4
So 70931-71-4 is a valid CAS Registry Number.

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