90656-47-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 90656-47-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,0,6,5 and 6 respectively; the second part has 2 digits, 4 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 90656-47:
(7*9)+(6*0)+(5*6)+(4*5)+(3*6)+(2*4)+(1*7)=146
146 % 10 = 6
So 90656-47-6 is a valid CAS Registry Number.