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N-Isopropyl-N'-<4-acetoxyphenyl>-thioharnstoff is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

20809-52-3

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20809-52-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 20809-52-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,0,8,0 and 9 respectively; the second part has 2 digits, 5 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 20809-52:
(7*2)+(6*0)+(5*8)+(4*0)+(3*9)+(2*5)+(1*2)=93
93 % 10 = 3
So 20809-52-3 is a valid CAS Registry Number.
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