1190309-83-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1190309-83-1 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,9,0,3,0 and 9 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1190309-83:
(9*1)+(8*1)+(7*9)+(6*0)+(5*3)+(4*0)+(3*9)+(2*8)+(1*3)=141
141 % 10 = 1
So 1190309-83-1 is a valid CAS Registry Number.