89970-60-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 89970-60-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,9,9,7 and 0 respectively; the second part has 2 digits, 6 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 89970-60:
(7*8)+(6*9)+(5*9)+(4*7)+(3*0)+(2*6)+(1*0)=195
195 % 10 = 5
So 89970-60-5 is a valid CAS Registry Number.