682339-49-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 682339-49-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,8,2,3,3 and 9 respectively; the second part has 2 digits, 4 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 682339-49:
(8*6)+(7*8)+(6*2)+(5*3)+(4*3)+(3*9)+(2*4)+(1*9)=187
187 % 10 = 7
So 682339-49-7 is a valid CAS Registry Number.