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2-azido-3-(2-m-tolyl-selenazol-4-yl)-acrylic acid ethyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

75103-31-0

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75103-31-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 75103-31-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,5,1,0 and 3 respectively; the second part has 2 digits, 3 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 75103-31:
(7*7)+(6*5)+(5*1)+(4*0)+(3*3)+(2*3)+(1*1)=100
100 % 10 = 0
So 75103-31-0 is a valid CAS Registry Number.
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