7057-03-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 7057-03-6 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 7,0,5 and 7 respectively; the second part has 2 digits, 0 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 7057-03:
(6*7)+(5*0)+(4*5)+(3*7)+(2*0)+(1*3)=86
86 % 10 = 6
So 7057-03-6 is a valid CAS Registry Number.