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1-Bromo-naphthalene-2-carboxylic acid (2-hydroxy-ethyl)-amide is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

190733-99-4

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190733-99-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 190733-99-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,9,0,7,3 and 3 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 190733-99:
(8*1)+(7*9)+(6*0)+(5*7)+(4*3)+(3*3)+(2*9)+(1*9)=154
154 % 10 = 4
So 190733-99-4 is a valid CAS Registry Number.

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