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2,4-Dichloro-3-(4-chloro-3-trifluoromethyl-phenoxy)-6-nitro-phenylamine is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

20501-40-0

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20501-40-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 20501-40-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,0,5,0 and 1 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 20501-40:
(7*2)+(6*0)+(5*5)+(4*0)+(3*1)+(2*4)+(1*0)=50
50 % 10 = 0
So 20501-40-0 is a valid CAS Registry Number.
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