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2-m-tolyl-selenazole-4-carbaldehyde is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

75103-25-2

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75103-25-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 75103-25-2 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, 2 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 75103-25:
(7*7)+(6*5)+(5*1)+(4*0)+(3*3)+(2*2)+(1*5)=102
102 % 10 = 2
So 75103-25-2 is a valid CAS Registry Number.
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