1335104-80-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1335104-80-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,3,5,1,0 and 4 respectively; the second part has 2 digits, 8 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1335104-80:
(9*1)+(8*3)+(7*3)+(6*5)+(5*1)+(4*0)+(3*4)+(2*8)+(1*0)=117
117 % 10 = 7
So 1335104-80-7 is a valid CAS Registry Number.