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Propionic acid N'-[5-(2-chloro-4-trifluoromethyl-phenoxy)-2-nitro-phenyl]-N'-ethyl-hydrazide is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

75131-90-7

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75131-90-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 75131-90-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,5,1,3 and 1 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 75131-90:
(7*7)+(6*5)+(5*1)+(4*3)+(3*1)+(2*9)+(1*0)=117
117 % 10 = 7
So 75131-90-7 is a valid CAS Registry Number.

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