97039-45-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 97039-45-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,7,0,3 and 9 respectively; the second part has 2 digits, 4 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 97039-45:
(7*9)+(6*7)+(5*0)+(4*3)+(3*9)+(2*4)+(1*5)=157
157 % 10 = 7
So 97039-45-7 is a valid CAS Registry Number.