90766-99-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 90766-99-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,0,7,6 and 6 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 90766-99:
(7*9)+(6*0)+(5*7)+(4*6)+(3*6)+(2*9)+(1*9)=167
167 % 10 = 7
So 90766-99-7 is a valid CAS Registry Number.