156801-35-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 156801-35-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,6,8,0 and 1 respectively; the second part has 2 digits, 3 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 156801-35:
(8*1)+(7*5)+(6*6)+(5*8)+(4*0)+(3*1)+(2*3)+(1*5)=133
133 % 10 = 3
So 156801-35-3 is a valid CAS Registry Number.