AN 627 pill , scientifically known as “Tramadol Hydrochloride 50 mg,” is a medicine for managing back and chronic pain. Tramadol is an opioid best known for its narcotic, pain-relieving effects. When you buy hydrocodone, it is important to make sure that the medication is delivered on time. You do not want to wait too long for your medication to arrive, so it is important to find a reliable source for your hydrocodone. At Pharmacy Express, we take great pride in providing shipping assurance and always delivering on time.