77593-34-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 77593-34-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,7,5,9 and 3 respectively; the second part has 2 digits, 3 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 77593-34:
(7*7)+(6*7)+(5*5)+(4*9)+(3*3)+(2*3)+(1*4)=171
171 % 10 = 1
So 77593-34-1 is a valid CAS Registry Number.