201142-60-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 201142-60-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,1,1,4 and 2 respectively; the second part has 2 digits, 6 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 201142-60:
(8*2)+(7*0)+(6*1)+(5*1)+(4*4)+(3*2)+(2*6)+(1*0)=61
61 % 10 = 1
So 201142-60-1 is a valid CAS Registry Number.