97989-36-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 97989-36-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,7,9,8 and 9 respectively; the second part has 2 digits, 3 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 97989-36:
(7*9)+(6*7)+(5*9)+(4*8)+(3*9)+(2*3)+(1*6)=221
221 % 10 = 1
So 97989-36-1 is a valid CAS Registry Number.