7588-64-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 7588-64-9 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 7,5,8 and 8 respectively; the second part has 2 digits, 6 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 7588-64:
(6*7)+(5*5)+(4*8)+(3*8)+(2*6)+(1*4)=139
139 % 10 = 9
So 7588-64-9 is a valid CAS Registry Number.