1131235-78-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1131235-78-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,3,1,2,3 and 5 respectively; the second part has 2 digits, 7 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 1131235-78:
(9*1)+(8*1)+(7*3)+(6*1)+(5*2)+(4*3)+(3*5)+(2*7)+(1*8)=103
103 % 10 = 3
So 1131235-78-3 is a valid CAS Registry Number.