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4-(5-nitro-[6]quinolylmercapto)-aniline is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

190331-45-4

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190331-45-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 190331-45-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,9,0,3,3 and 1 respectively; the second part has 2 digits, 4 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 190331-45:
(8*1)+(7*9)+(6*0)+(5*3)+(4*3)+(3*1)+(2*4)+(1*5)=114
114 % 10 = 4
So 190331-45-4 is a valid CAS Registry Number.

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