500785-91-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 500785-91-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 5,0,0,7,8 and 5 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 500785-91:
(8*5)+(7*0)+(6*0)+(5*7)+(4*8)+(3*5)+(2*9)+(1*1)=141
141 % 10 = 1
So 500785-91-1 is a valid CAS Registry Number.