194553-72-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 194553-72-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,9,4,5,5 and 3 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 194553-72:
(8*1)+(7*9)+(6*4)+(5*5)+(4*5)+(3*3)+(2*7)+(1*2)=165
165 % 10 = 5
So 194553-72-5 is a valid CAS Registry Number.