188561-33-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 188561-33-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,8,8,5,6 and 1 respectively; the second part has 2 digits, 3 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 188561-33:
(8*1)+(7*8)+(6*8)+(5*5)+(4*6)+(3*1)+(2*3)+(1*3)=173
173 % 10 = 3
So 188561-33-3 is a valid CAS Registry Number.