920009-88-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 920009-88-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,2,0,0,0 and 9 respectively; the second part has 2 digits, 8 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 920009-88:
(8*9)+(7*2)+(6*0)+(5*0)+(4*0)+(3*9)+(2*8)+(1*8)=137
137 % 10 = 7
So 920009-88-7 is a valid CAS Registry Number.