79188-23-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 79188-23-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,9,1,8 and 8 respectively; the second part has 2 digits, 2 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 79188-23:
(7*7)+(6*9)+(5*1)+(4*8)+(3*8)+(2*2)+(1*3)=171
171 % 10 = 1
So 79188-23-1 is a valid CAS Registry Number.