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(2-m-tolyl-selenazol-4-yl)-methanol is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

75103-19-4

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75103-19-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 75103-19-4 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, 1 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 75103-19:
(7*7)+(6*5)+(5*1)+(4*0)+(3*3)+(2*1)+(1*9)=104
104 % 10 = 4
So 75103-19-4 is a valid CAS Registry Number.
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