189348-94-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 189348-94-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,8,9,3,4 and 8 respectively; the second part has 2 digits, 9 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 189348-94:
(8*1)+(7*8)+(6*9)+(5*3)+(4*4)+(3*8)+(2*9)+(1*4)=195
195 % 10 = 5
So 189348-94-5 is a valid CAS Registry Number.