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C21H13Cl2NOS is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

78840-15-0

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78840-15-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 78840-15-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,8,8,4 and 0 respectively; the second part has 2 digits, 1 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 78840-15:
(7*7)+(6*8)+(5*8)+(4*4)+(3*0)+(2*1)+(1*5)=160
160 % 10 = 0
So 78840-15-0 is a valid CAS Registry Number.

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