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5-nitro-biphenyl-2-carboxylic acid isopropyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

489409-90-7

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489409-90-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 489409-90-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,8,9,4,0 and 9 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 489409-90:
(8*4)+(7*8)+(6*9)+(5*4)+(4*0)+(3*9)+(2*9)+(1*0)=207
207 % 10 = 7
So 489409-90-7 is a valid CAS Registry Number.

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