201142-58-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 201142-58-7 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, 5 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 201142-58:
(8*2)+(7*0)+(6*1)+(5*1)+(4*4)+(3*2)+(2*5)+(1*8)=67
67 % 10 = 7
So 201142-58-7 is a valid CAS Registry Number.