1235407-19-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1235407-19-8 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, 1 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1235407-19:
(9*1)+(8*2)+(7*3)+(6*5)+(5*4)+(4*0)+(3*7)+(2*1)+(1*9)=128
128 % 10 = 8
So 1235407-19-8 is a valid CAS Registry Number.