5-methoxy-4-oxo-1,4-dihydropyridine-2-carboxylic acid is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 103878-37-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,3,8,7 and 8 respectively; the second part has 2 digits, 3 and 7 respectively. Calculate Digit Verification of CAS Registry Number 103878-37: (8*1)+(7*0)+(6*3)+(5*8)+(4*7)+(3*8)+(2*3)+(1*7)=131 131 % 10 = 1 So 103878-37-1 is a valid CAS Registry Number.