33801-40-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 33801-40-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,3,8,0 and 1 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 33801-40:
(7*3)+(6*3)+(5*8)+(4*0)+(3*1)+(2*4)+(1*0)=90
90 % 10 = 0
So 33801-40-0 is a valid CAS Registry Number.