720671-41-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 720671-41-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 7,2,0,6,7 and 1 respectively; the second part has 2 digits, 4 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 720671-41:
(8*7)+(7*2)+(6*0)+(5*6)+(4*7)+(3*1)+(2*4)+(1*1)=140
140 % 10 = 0
So 720671-41-0 is a valid CAS Registry Number.