904815-26-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 904815-26-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,0,4,8,1 and 5 respectively; the second part has 2 digits, 2 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 904815-26:
(8*9)+(7*0)+(6*4)+(5*8)+(4*1)+(3*5)+(2*2)+(1*6)=165
165 % 10 = 5
So 904815-26-5 is a valid CAS Registry Number.