90019-79-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 90019-79-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,0,0,1 and 9 respectively; the second part has 2 digits, 7 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 90019-79:
(7*9)+(6*0)+(5*0)+(4*1)+(3*9)+(2*7)+(1*9)=117
117 % 10 = 7
So 90019-79-7 is a valid CAS Registry Number.