190720-96-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 190720-96-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,9,0,7,2 and 0 respectively; the second part has 2 digits, 9 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 190720-96:
(8*1)+(7*9)+(6*0)+(5*7)+(4*2)+(3*0)+(2*9)+(1*6)=138
138 % 10 = 8
So 190720-96-8 is a valid CAS Registry Number.