1217628-84-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1217628-84-6 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 8 respectively; the second part has 2 digits, 8 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 1217628-84:
(9*1)+(8*2)+(7*1)+(6*7)+(5*6)+(4*2)+(3*8)+(2*8)+(1*4)=156
156 % 10 = 6
So 1217628-84-6 is a valid CAS Registry Number.