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N-Dichloracetyl-2,5-dichlor-4-brom-anilin is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

89891-68-9

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89891-68-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 89891-68-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,9,8,9 and 1 respectively; the second part has 2 digits, 6 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 89891-68:
(7*8)+(6*9)+(5*8)+(4*9)+(3*1)+(2*6)+(1*8)=209
209 % 10 = 9
So 89891-68-9 is a valid CAS Registry Number.

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