210693-65-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 210693-65-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,1,0,6,9 and 3 respectively; the second part has 2 digits, 6 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 210693-65:
(8*2)+(7*1)+(6*0)+(5*6)+(4*9)+(3*3)+(2*6)+(1*5)=115
115 % 10 = 5
So 210693-65-5 is a valid CAS Registry Number.