120138-99-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 120138-99-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,0,1,3 and 8 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 120138-99:
(8*1)+(7*2)+(6*0)+(5*1)+(4*3)+(3*8)+(2*9)+(1*9)=90
90 % 10 = 0
So 120138-99-0 is a valid CAS Registry Number.