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Mercury Drug

pharmacy chain in the Philippines

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General referenceInterpretive dossier study · Crown Archives visual atlas
Record originEnglish Wikipedia
Text licenseCC BY-SA 4.0
Source revisionJun 16, 2026
Entity authorityQ6818610
Source-derived summary

The Mercury Drug Corporation, better known as Mercury Drug, is a Philippine pharmacy chain. A subsidiary of the Mercury Group of Companies, it is headquartered in Bagumbayan, Quezon City. The chain was founded in Santa Cruz, Manila in 1945. As of 2017, Mercury Drug has over 1,000 branches nationwide and over 50 percent of the Philippine pharmaceutical retail market.

History

The company began on March 1, 1945, with a single drugstore along Bambang Street, Santa Cruz, Manila owned by Mariano Que (d. (2017-04-15)April 15, 2017). He named it after Mercury, the messenger of the gods in Roman mythology, whose caduceus wand is sometimes used as a symbol of medicine, as well as the element of the same name and the closest planet to the Sun in the Solar System. The logo was designed by Alfredo Medinaceli Cabrera. By 1948, the company has established a delivery system.

The store began cutting packaged, bulk items into single pieces and selling them individually; this retail practice is colloquially called tingí-tingî in Filipino.

Editorial summary

“Mercury Drug” enters the record as pharmacy chain in the Philippines. Crown Archives preserves that source wording while asking what Mercury, Drug and pharmacy can confirm, complicate or overturn.

Editorial reviewA concise reference frame for defining the subject, testing terminology and identifying the institution closest to the evidence. The current lead gives the account dated anchors—1945, 2017, 1948—that can be checked directly. The linked authority record independently contributes the date 1945-01-01. Its strongest next move is a source search built around Mercury, Drug and pharmacy.
Editorial analysis

Why this record matters

“Mercury Drug” is worth following because a concise public description often conceals a longer documentary argument. Here, Mercury, Drug and pharmacy provides the most credible route into that argument.

Evidence profile

Vocabulary and entity names are the principal evidence signals here, because they determine the precision of every later search. The source revision retrieved here is dated Jun 16, 2026. The linked authority identifier is Q6818610. 1 of 2 selected statements include explicit references; 0 carry qualifiers and 0 use preferred rank. The first chronological checks are 1945, 2017 and 1948.

Critical limits

Overview language is designed for orientation and should not be treated as a substitute for the evidence cited beneath it. The lead is largely declarative, so disagreement and counter-evidence require a deliberate search beyond the opening account. Authority statements aid reconciliation but still require their own references, qualifiers and ranks to be checked.

How to read it

Use the entry as an orientation point, then follow its citations and revision history. Names, dates and institutional relationships should be checked against the original record.

Best used for
  • Subject orientation
  • Search vocabulary
  • Locating named sources
Verify next

The closest primary source, responsible institution and strongest cited specialist reference.

Three-step research path

  1. Establish the record: confirm the title “Mercury Drug”, its source revision and the description used here.
  2. Expand the search: follow Mercury Drug primary sources, Mercury Drug archive and Mercury research across catalogues and specialist indexes.
  3. Test the account: compare the strongest cited source with the responsible institution’s current record and note any disagreement.

Questions for further research

  1. Which source most directly establishes the central claim about “Mercury Drug”?
  2. Which cited source is closest to the event, object or claim?
  3. Which institution is responsible for the underlying evidence?
Subject index

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Source & attribution

This entry incorporates text from Mercury Drug” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.