50784-97-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 50784-97-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,0,7,8 and 4 respectively; the second part has 2 digits, 9 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 50784-97:
(7*5)+(6*0)+(5*7)+(4*8)+(3*4)+(2*9)+(1*7)=139
139 % 10 = 9
So 50784-97-9 is a valid CAS Registry Number.