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disodium [5-[[1-(anilinocarbonyl)-2-oxopropyl]azo]-4-hydroxybenzene-1,3-disulphonato(4-)]cuprate(2-) is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

72152-69-3

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72152-69-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 72152-69-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,2,1,5 and 2 respectively; the second part has 2 digits, 6 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 72152-69:
(7*7)+(6*2)+(5*1)+(4*5)+(3*2)+(2*6)+(1*9)=113
113 % 10 = 3
So 72152-69-3 is a valid CAS Registry Number.

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