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4-chloro-2-nitrophenyl ethyl selenide is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

99809-32-2

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99809-32-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 99809-32-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,9,8,0 and 9 respectively; the second part has 2 digits, 3 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 99809-32:
(7*9)+(6*9)+(5*8)+(4*0)+(3*9)+(2*3)+(1*2)=192
192 % 10 = 2
So 99809-32-2 is a valid CAS Registry Number.

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