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5-Bromo-thiophene-2-sulfonic acid (1-hydroxy-2-oxo-2,3,4,7-tetrahydro-1H-azepin-3-(R)-yl)-amide is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

1020104-53-3

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1020104-53-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1020104-53-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,2,0,1,0 and 4 respectively; the second part has 2 digits, 5 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1020104-53:
(9*1)+(8*0)+(7*2)+(6*0)+(5*1)+(4*0)+(3*4)+(2*5)+(1*3)=53
53 % 10 = 3
So 1020104-53-3 is a valid CAS Registry Number.

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