90908-77-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 90908-77-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,0,9,0 and 8 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 90908-77:
(7*9)+(6*0)+(5*9)+(4*0)+(3*8)+(2*7)+(1*7)=153
153 % 10 = 3
So 90908-77-3 is a valid CAS Registry Number.