6596-88-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 6596-88-9 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 6,5,9 and 6 respectively; the second part has 2 digits, 8 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 6596-88:
(6*6)+(5*5)+(4*9)+(3*6)+(2*8)+(1*8)=139
139 % 10 = 9
So 6596-88-9 is a valid CAS Registry Number.