90557-35-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 90557-35-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,0,5,5 and 7 respectively; the second part has 2 digits, 3 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 90557-35:
(7*9)+(6*0)+(5*5)+(4*5)+(3*7)+(2*3)+(1*5)=140
140 % 10 = 0
So 90557-35-0 is a valid CAS Registry Number.