790999-57-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 790999-57-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 7,9,0,9,9 and 9 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 790999-57:
(8*7)+(7*9)+(6*0)+(5*9)+(4*9)+(3*9)+(2*5)+(1*7)=244
244 % 10 = 4
So 790999-57-4 is a valid CAS Registry Number.