900024-89-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 900024-89-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,0,0,0,2 and 4 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 900024-89:
(8*9)+(7*0)+(6*0)+(5*0)+(4*2)+(3*4)+(2*8)+(1*9)=117
117 % 10 = 7
So 900024-89-7 is a valid CAS Registry Number.