Silicon dioxide

DB11132ApprovedInvestigationalSmall molecule

Silicon dioxide is an ingredient found in a variety of supplements and vitamins. Silicon dioxide, or silica, is an oxide of silicon with the chemical formula SiO2.

Chemical structure of Silicon dioxide
Formula / weight
O2Si · 60.0843 g/mol (avg)
First approval
Canada, 1998 · United States, 2011
Also known as
Colloidal silica · Colloidal silicon dioxide · Diatomaceous earth · Diatomaceous silica · Diatomite
Code names
E-551 · INS-551 · INS NO.551 · U 333
Brand names
  • Gelusil
  • Pediacare Gas Relief

Resolves to

Compound
UNIIETJ7Z6XBU4CAS7631-86-9ChEMBLCHEMBL3188292ChEBI30563PubChem22644374
Clinical / RWD
RxNorm314826
Structure
InChIKeyVYPSYNLAJGMNEJ-UHFFFAOYSA-NSMILESO=[Si]=O
Targets
Q9UEW3MARCO

What you can answer from here — as of October 01, 2026

1Protein targetEach mapped to UniProt, with action and pharmacological action
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24Clinical trialsPhase, status and sponsor resolved per trial
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2Structured indicationsCondition, population, route and combination as fields, not prose
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186Marketed productsAcross 4 countries and 88 labellers
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1+ReferenceStructured and connected to the statements they support
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