502764-74-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 502764-74-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 5,0,2,7,6 and 4 respectively; the second part has 2 digits, 7 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 502764-74:
(8*5)+(7*0)+(6*2)+(5*7)+(4*6)+(3*4)+(2*7)+(1*4)=141
141 % 10 = 1
So 502764-74-1 is a valid CAS Registry Number.