215110-65-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 215110-65-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,1,5,1,1 and 0 respectively; the second part has 2 digits, 6 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 215110-65:
(8*2)+(7*1)+(6*5)+(5*1)+(4*1)+(3*0)+(2*6)+(1*5)=79
79 % 10 = 9
So 215110-65-9 is a valid CAS Registry Number.