90545-52-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 90545-52-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,0,5,4 and 5 respectively; the second part has 2 digits, 5 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 90545-52:
(7*9)+(6*0)+(5*5)+(4*4)+(3*5)+(2*5)+(1*2)=131
131 % 10 = 1
So 90545-52-1 is a valid CAS Registry Number.