90641-16-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 90641-16-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,0,6,4 and 1 respectively; the second part has 2 digits, 1 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 90641-16:
(7*9)+(6*0)+(5*6)+(4*4)+(3*1)+(2*1)+(1*6)=120
120 % 10 = 0
So 90641-16-0 is a valid CAS Registry Number.