188256-43-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 188256-43-1 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 6 respectively; the second part has 2 digits, 4 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 188256-43:
(8*1)+(7*8)+(6*8)+(5*2)+(4*5)+(3*6)+(2*4)+(1*3)=171
171 % 10 = 1
So 188256-43-1 is a valid CAS Registry Number.