900535-49-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 900535-49-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,0,0,5,3 and 5 respectively; the second part has 2 digits, 4 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 900535-49:
(8*9)+(7*0)+(6*0)+(5*5)+(4*3)+(3*5)+(2*4)+(1*9)=141
141 % 10 = 1
So 900535-49-1 is a valid CAS Registry Number.