33861-55-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 33861-55-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,3,8,6 and 1 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 33861-55:
(7*3)+(6*3)+(5*8)+(4*6)+(3*1)+(2*5)+(1*5)=121
121 % 10 = 1
So 33861-55-1 is a valid CAS Registry Number.