1219580-27-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1219580-27-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,1,9,5,8 and 0 respectively; the second part has 2 digits, 2 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1219580-27:
(9*1)+(8*2)+(7*1)+(6*9)+(5*5)+(4*8)+(3*0)+(2*2)+(1*7)=154
154 % 10 = 4
So 1219580-27-4 is a valid CAS Registry Number.