97975-38-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 97975-38-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,7,9,7 and 5 respectively; the second part has 2 digits, 3 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 97975-38:
(7*9)+(6*7)+(5*9)+(4*7)+(3*5)+(2*3)+(1*8)=207
207 % 10 = 7
So 97975-38-7 is a valid CAS Registry Number.