11138-58-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 11138-58-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,1,1,3 and 8 respectively; the second part has 2 digits, 5 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 11138-58:
(7*1)+(6*1)+(5*1)+(4*3)+(3*8)+(2*5)+(1*8)=72
72 % 10 = 2
So 11138-58-2 is a valid CAS Registry Number.