20612-47-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 20612-47-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,0,6,1 and 2 respectively; the second part has 2 digits, 4 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 20612-47:
(7*2)+(6*0)+(5*6)+(4*1)+(3*2)+(2*4)+(1*7)=69
69 % 10 = 9
So 20612-47-9 is a valid CAS Registry Number.