689283-49-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 689283-49-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,8,9,2,8 and 3 respectively; the second part has 2 digits, 4 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 689283-49:
(8*6)+(7*8)+(6*9)+(5*2)+(4*8)+(3*3)+(2*4)+(1*9)=226
226 % 10 = 6
So 689283-49-6 is a valid CAS Registry Number.