Druggists and pharmacists duly registered under the laws of this state as such may, upon their respective registered premises as aforesaid, without license hereunder, purchase and use alcoholic beverages for the compounding of physicians’ prescriptions and for the preparation of mixtures and medicines, unfit for use as beverages, and sell same after being so compounded or prepared, subject to rules and regulations; but they may not sell alcoholic beverages otherwise than as aforesaid and particularly shall not sell the same in either original containers or by glass or other open containers, except under a license obtained under this chapter permitting the same.

Hospitals may purchase and use alcoholic beverages for the compounding of physicians’ prescriptions, and for the preparation of mixtures and medicines unfit for use as beverages, and for dispensing to patients in accordance with physicians’ orders and prescriptions, without license therefor, subject to rules and regulations.

Wholesale licensees may sell alcoholic beverages, directly to druggists and pharmacists, registered as aforesaid, and to hospitals, for use as herein authorized, subject to rules and regulations.

The commissioner shall have and exercise the same powers of investigation and of prescribing rules and regulations with regard to the alcoholic beverages purchased, used, mixed, compounded or dispensed pursuant to this section as are by this chapter accorded to him in connection with the sale, distribution, rectification, blending, treating, fortifying, mixing, processing, warehousing and transportation of all alcoholic beverages.