79990-92-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 79990-92-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,9,9,9 and 0 respectively; the second part has 2 digits, 9 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 79990-92:
(7*7)+(6*9)+(5*9)+(4*9)+(3*0)+(2*9)+(1*2)=204
204 % 10 = 4
So 79990-92-4 is a valid CAS Registry Number.