90590-03-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 90590-03-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,0,5,9 and 0 respectively; the second part has 2 digits, 0 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 90590-03:
(7*9)+(6*0)+(5*5)+(4*9)+(3*0)+(2*0)+(1*3)=127
127 % 10 = 7
So 90590-03-7 is a valid CAS Registry Number.