209263-74-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 209263-74-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,9,2,6 and 3 respectively; the second part has 2 digits, 7 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 209263-74:
(8*2)+(7*0)+(6*9)+(5*2)+(4*6)+(3*3)+(2*7)+(1*4)=131
131 % 10 = 1
So 209263-74-1 is a valid CAS Registry Number.