1235407-80-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1235407-80-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,3,5,4,0 and 7 respectively; the second part has 2 digits, 8 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1235407-80:
(9*1)+(8*2)+(7*3)+(6*5)+(5*4)+(4*0)+(3*7)+(2*8)+(1*0)=133
133 % 10 = 3
So 1235407-80-3 is a valid CAS Registry Number.