501117-74-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 501117-74-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 5,0,1,1,1 and 7 respectively; the second part has 2 digits, 7 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 501117-74:
(8*5)+(7*0)+(6*1)+(5*1)+(4*1)+(3*7)+(2*7)+(1*4)=94
94 % 10 = 4
So 501117-74-4 is a valid CAS Registry Number.