1197233-74-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1197233-74-1 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,9,7,2,3 and 3 respectively; the second part has 2 digits, 7 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 1197233-74:
(9*1)+(8*1)+(7*9)+(6*7)+(5*2)+(4*3)+(3*3)+(2*7)+(1*4)=171
171 % 10 = 1
So 1197233-74-1 is a valid CAS Registry Number.