1188303-57-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1188303-57-2 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,8,8,3,0 and 3 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1188303-57:
(9*1)+(8*1)+(7*8)+(6*8)+(5*3)+(4*0)+(3*3)+(2*5)+(1*7)=162
162 % 10 = 2
So 1188303-57-2 is a valid CAS Registry Number.