219598-65-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 219598-65-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,1,9,5,9 and 8 respectively; the second part has 2 digits, 6 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 219598-65:
(8*2)+(7*1)+(6*9)+(5*5)+(4*9)+(3*8)+(2*6)+(1*5)=179
179 % 10 = 9
So 219598-65-9 is a valid CAS Registry Number.