2397-95-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 2397-95-7 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 2,3,9 and 7 respectively; the second part has 2 digits, 9 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 2397-95:
(6*2)+(5*3)+(4*9)+(3*7)+(2*9)+(1*5)=107
107 % 10 = 7
So 2397-95-7 is a valid CAS Registry Number.