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4-cyclopropylimino-1-ethyl-7-fluoro-1,4-dihydroquinoline-3-carboxylic acid is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

216986-75-3

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216986-75-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 216986-75-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,1,6,9,8 and 6 respectively; the second part has 2 digits, 7 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 216986-75:
(8*2)+(7*1)+(6*6)+(5*9)+(4*8)+(3*6)+(2*7)+(1*5)=173
173 % 10 = 3
So 216986-75-3 is a valid CAS Registry Number.

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