79903-59-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 79903-59-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,9,9,0 and 3 respectively; the second part has 2 digits, 5 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 79903-59:
(7*7)+(6*9)+(5*9)+(4*0)+(3*3)+(2*5)+(1*9)=176
176 % 10 = 6
So 79903-59-6 is a valid CAS Registry Number.