94129-28-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 94129-28-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,4,1,2 and 9 respectively; the second part has 2 digits, 2 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 94129-28:
(7*9)+(6*4)+(5*1)+(4*2)+(3*9)+(2*2)+(1*8)=139
139 % 10 = 9
So 94129-28-9 is a valid CAS Registry Number.