90608-65-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 90608-65-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,0,6,0 and 8 respectively; the second part has 2 digits, 6 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 90608-65:
(7*9)+(6*0)+(5*6)+(4*0)+(3*8)+(2*6)+(1*5)=134
134 % 10 = 4
So 90608-65-4 is a valid CAS Registry Number.