188258-72-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 188258-72-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,8,8,2,5 and 8 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 188258-72:
(8*1)+(7*8)+(6*8)+(5*2)+(4*5)+(3*8)+(2*7)+(1*2)=182
182 % 10 = 2
So 188258-72-2 is a valid CAS Registry Number.