33858-86-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 33858-86-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,3,8,5 and 8 respectively; the second part has 2 digits, 8 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 33858-86:
(7*3)+(6*3)+(5*8)+(4*5)+(3*8)+(2*8)+(1*6)=145
145 % 10 = 5
So 33858-86-5 is a valid CAS Registry Number.