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4-amino-5-ethyl-2-(trifluoromethyl)pyridine is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

340809-50-9

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340809-50-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 340809-50-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,4,0,8,0 and 9 respectively; the second part has 2 digits, 5 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 340809-50:
(8*3)+(7*4)+(6*0)+(5*8)+(4*0)+(3*9)+(2*5)+(1*0)=129
129 % 10 = 9
So 340809-50-9 is a valid CAS Registry Number.

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