Choose An Account Type Register for the Website. Get access to the entire 123Pros website. All we need is an ID, password, email address, and zip code, and you're all set! Open a Business Account. You must open a business account with us to make purchases from our website. Doing so helps us make sure we meet any legal requirements for selling chemicals to you, and helps us serve you better. You also enjoy all of the benefits received by users who register for the site.