1217622-28-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1217622-28-0 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,1,7,6,2 and 2 respectively; the second part has 2 digits, 2 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 1217622-28:
(9*1)+(8*2)+(7*1)+(6*7)+(5*6)+(4*2)+(3*2)+(2*2)+(1*8)=130
130 % 10 = 0
So 1217622-28-0 is a valid CAS Registry Number.