190972-87-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 190972-87-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,9,0,9,7 and 2 respectively; the second part has 2 digits, 8 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 190972-87:
(8*1)+(7*9)+(6*0)+(5*9)+(4*7)+(3*2)+(2*8)+(1*7)=173
173 % 10 = 3
So 190972-87-3 is a valid CAS Registry Number.