190436-64-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 190436-64-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,9,0,4,3 and 6 respectively; the second part has 2 digits, 6 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 190436-64:
(8*1)+(7*9)+(6*0)+(5*4)+(4*3)+(3*6)+(2*6)+(1*4)=137
137 % 10 = 7
So 190436-64-7 is a valid CAS Registry Number.