1226549-85-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1226549-85-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,2,6,5,4 and 9 respectively; the second part has 2 digits, 8 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1226549-85:
(9*1)+(8*2)+(7*2)+(6*6)+(5*5)+(4*4)+(3*9)+(2*8)+(1*5)=164
164 % 10 = 4
So 1226549-85-4 is a valid CAS Registry Number.