50257-35-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 50257-35-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,0,2,5 and 7 respectively; the second part has 2 digits, 3 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 50257-35:
(7*5)+(6*0)+(5*2)+(4*5)+(3*7)+(2*3)+(1*5)=97
97 % 10 = 7
So 50257-35-7 is a valid CAS Registry Number.