4907-69-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 4907-69-1 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,9,0 and 7 respectively; the second part has 2 digits, 6 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 4907-69:
(6*4)+(5*9)+(4*0)+(3*7)+(2*6)+(1*9)=111
111 % 10 = 1
So 4907-69-1 is a valid CAS Registry Number.