90918-52-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 90918-52-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,0,9,1 and 8 respectively; the second part has 2 digits, 5 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 90918-52:
(7*9)+(6*0)+(5*9)+(4*1)+(3*8)+(2*5)+(1*2)=148
148 % 10 = 8
So 90918-52-8 is a valid CAS Registry Number.