93981-67-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 93981-67-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,3,9,8 and 1 respectively; the second part has 2 digits, 6 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 93981-67:
(7*9)+(6*3)+(5*9)+(4*8)+(3*1)+(2*6)+(1*7)=180
180 % 10 = 0
So 93981-67-0 is a valid CAS Registry Number.