258281-33-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 258281-33-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,5,8,2,8 and 1 respectively; the second part has 2 digits, 3 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 258281-33:
(8*2)+(7*5)+(6*8)+(5*2)+(4*8)+(3*1)+(2*3)+(1*3)=153
153 % 10 = 3
So 258281-33-3 is a valid CAS Registry Number.