97771-60-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 97771-60-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,7,7,7 and 1 respectively; the second part has 2 digits, 6 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 97771-60:
(7*9)+(6*7)+(5*7)+(4*7)+(3*1)+(2*6)+(1*0)=183
183 % 10 = 3
So 97771-60-3 is a valid CAS Registry Number.