1019331-83-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1019331-83-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,1,9,3,3 and 1 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1019331-83:
(9*1)+(8*0)+(7*1)+(6*9)+(5*3)+(4*3)+(3*1)+(2*8)+(1*3)=119
119 % 10 = 9
So 1019331-83-9 is a valid CAS Registry Number.