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2-Diethylamino-3-methyl-1,4-diphenyl-anthraquinone is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

31273-03-7

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31273-03-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 31273-03-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,1,2,7 and 3 respectively; the second part has 2 digits, 0 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 31273-03:
(7*3)+(6*1)+(5*2)+(4*7)+(3*3)+(2*0)+(1*3)=77
77 % 10 = 7
So 31273-03-7 is a valid CAS Registry Number.

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