The term 'hydrochloride' is used for a kind of salt that is formed as a result of reaction of hydrochloric acid with a base that is organic. Mostly the organic base that is used in the reaction is...
Please go to the attached thread.
http://www.pharmainfo.net/tablet-ruling-dosage-form-years-/quality-control-tests-tablets/official-standards-ip-bp-usp
I think its a different way of classification...