904689-26-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 904689-26-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,0,4,6,8 and 9 respectively; the second part has 2 digits, 2 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 904689-26:
(8*9)+(7*0)+(6*4)+(5*6)+(4*8)+(3*9)+(2*2)+(1*6)=195
195 % 10 = 5
So 904689-26-5 is a valid CAS Registry Number.