1219355-20-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1219355-20-0 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,1,9,3,5 and 5 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1219355-20:
(9*1)+(8*2)+(7*1)+(6*9)+(5*3)+(4*5)+(3*5)+(2*2)+(1*0)=140
140 % 10 = 0
So 1219355-20-0 is a valid CAS Registry Number.