219545-94-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 219545-94-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,1,9,5,4 and 5 respectively; the second part has 2 digits, 9 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 219545-94:
(8*2)+(7*1)+(6*9)+(5*5)+(4*4)+(3*5)+(2*9)+(1*4)=155
155 % 10 = 5
So 219545-94-5 is a valid CAS Registry Number.