212693-39-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 212693-39-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,1,2,6,9 and 3 respectively; the second part has 2 digits, 3 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 212693-39:
(8*2)+(7*1)+(6*2)+(5*6)+(4*9)+(3*3)+(2*3)+(1*9)=125
125 % 10 = 5
So 212693-39-5 is a valid CAS Registry Number.