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5-(4-Methoxy-phenylsulfanyl)-thiophene-2-sulfonic acid amide is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

77893-72-2

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77893-72-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 77893-72-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,7,8,9 and 3 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 77893-72:
(7*7)+(6*7)+(5*8)+(4*9)+(3*3)+(2*7)+(1*2)=192
192 % 10 = 2
So 77893-72-2 is a valid CAS Registry Number.

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