90565-17-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 90565-17-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,0,5,6 and 5 respectively; the second part has 2 digits, 1 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 90565-17:
(7*9)+(6*0)+(5*5)+(4*6)+(3*5)+(2*1)+(1*7)=136
136 % 10 = 6
So 90565-17-6 is a valid CAS Registry Number.