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5-quinolin-2-yl-thiophene-3-carboxylic acid is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

55357-80-7

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55357-80-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 55357-80-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,5,3,5 and 7 respectively; the second part has 2 digits, 8 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 55357-80:
(7*5)+(6*5)+(5*3)+(4*5)+(3*7)+(2*8)+(1*0)=137
137 % 10 = 7
So 55357-80-7 is a valid CAS Registry Number.

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