904627-64-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 904627-64-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,0,4,6,2 and 7 respectively; the second part has 2 digits, 6 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 904627-64:
(8*9)+(7*0)+(6*4)+(5*6)+(4*2)+(3*7)+(2*6)+(1*4)=171
171 % 10 = 1
So 904627-64-1 is a valid CAS Registry Number.