7599-83-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 7599-83-9 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 7,5,9 and 9 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 7599-83:
(6*7)+(5*5)+(4*9)+(3*9)+(2*8)+(1*3)=149
149 % 10 = 9
So 7599-83-9 is a valid CAS Registry Number.