233281-85-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 233281-85-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,3,3,2,8 and 1 respectively; the second part has 2 digits, 8 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 233281-85:
(8*2)+(7*3)+(6*3)+(5*2)+(4*8)+(3*1)+(2*8)+(1*5)=121
121 % 10 = 1
So 233281-85-1 is a valid CAS Registry Number.