907178-89-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 907178-89-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,0,7,1,7 and 8 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 907178-89:
(8*9)+(7*0)+(6*7)+(5*1)+(4*7)+(3*8)+(2*8)+(1*9)=196
196 % 10 = 6
So 907178-89-6 is a valid CAS Registry Number.