1241920-07-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1241920-07-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,4,1,9,2 and 0 respectively; the second part has 2 digits, 0 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1241920-07:
(9*1)+(8*2)+(7*4)+(6*1)+(5*9)+(4*2)+(3*0)+(2*0)+(1*7)=119
119 % 10 = 9
So 1241920-07-9 is a valid CAS Registry Number.