191728-95-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 191728-95-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,9,1,7,2 and 8 respectively; the second part has 2 digits, 9 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 191728-95:
(8*1)+(7*9)+(6*1)+(5*7)+(4*2)+(3*8)+(2*9)+(1*5)=167
167 % 10 = 7
So 191728-95-7 is a valid CAS Registry Number.