683799-78-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 683799-78-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,8,3,7,9 and 9 respectively; the second part has 2 digits, 7 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 683799-78:
(8*6)+(7*8)+(6*3)+(5*7)+(4*9)+(3*9)+(2*7)+(1*8)=242
242 % 10 = 2
So 683799-78-2 is a valid CAS Registry Number.