1083181-46-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1083181-46-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,8,3,1,8 and 1 respectively; the second part has 2 digits, 4 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 1083181-46:
(9*1)+(8*0)+(7*8)+(6*3)+(5*1)+(4*8)+(3*1)+(2*4)+(1*6)=137
137 % 10 = 7
So 1083181-46-7 is a valid CAS Registry Number.