71150-57-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 71150-57-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,1,1,5 and 0 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 71150-57:
(7*7)+(6*1)+(5*1)+(4*5)+(3*0)+(2*5)+(1*7)=97
97 % 10 = 7
So 71150-57-7 is a valid CAS Registry Number.