97754-59-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 97754-59-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,7,7,5 and 4 respectively; the second part has 2 digits, 5 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 97754-59:
(7*9)+(6*7)+(5*7)+(4*5)+(3*4)+(2*5)+(1*9)=191
191 % 10 = 1
So 97754-59-1 is a valid CAS Registry Number.