194541-55-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 194541-55-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,9,4,5,4 and 1 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 194541-55:
(8*1)+(7*9)+(6*4)+(5*5)+(4*4)+(3*1)+(2*5)+(1*5)=154
154 % 10 = 4
So 194541-55-4 is a valid CAS Registry Number.