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Serotonin

Drug ingredient

CAS 50-67-9

This chemical is an active pharmaceutical ingredient used in FDA-regulated drugs.

Molecular structure of 50-67-9
US productionNot reported
Import value, 2024$1.4B
Top sourceIreland 33%

This chemical is not on EPA’s Toxic Substances Control Act inventory, the list behind EPA’s production survey.

Why supply is unknown

Production is reported production, not a complete census of factories. Import value and source-country shares describe a shared customs category, not a separate chemical measurement.

Where It Comes From

Customs basis: HS 293399 · basket

These shares come from HS customs code 293399, which covers 518 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.

Source Countries
IE 33%IrelandCN 26%ChinaIN 11%IndiaDE 9%GermanyIT 4%Italy
5 FDA-registered drug labelers
Deseret Biologicals, Inc.
Guna spa
Natural Creations, Inc
Newton Laboratories, Inc.
Professional Complementary Health Formulas

Why It Matters

Sectors
Health
Downstream Uses

Appears in 15 drug and cosmetic product listings (FDA).

  • •FCS CP
  • •FCS HP
  • •Serotonin (Human)
  • •GUNA-Virus
  • •GUNA-Digest
  • •Serotonin Dopamine Liquescence 3019
  • •GUNA-Sleep
  • •Quantum Harmony
Show all 15
  • •Rehydration Drops 2175
  • •GUNA-MOOD
  • •Serotonin 1543
  • •Serotonin/L-Tryptophan 1548
  • •Melancholy Drops 2002
  • •Pineal Liquescence 3030
  • •SAMe Liquescence 3036
FDA Shortage Status
No FDA shortage records

Chemical Identity

CAS50-67-9
PubChem CID5202
DTXSIDDTXSID8075330
FormulaC10H12N2O
Mol. Weight176.21 g/mol
SMILESC1=CC2=C(C=C1O)C(=CN2)CCN

Data Sources

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Brief citations

Serotonin (CAS 50-67-9) https://chemicalindependence.com/chemical/50-67-9/ PubChem: 5202. Retrieved 2026-04-07. https://pubchem.ncbi.nlm.nih.gov/compound/5202 FDA National Drug Code directory: CAS 50-67-9. Retrieved 2026-04-25. https://open.fda.gov/data/ndc/ FDA National Drug Code directory: bulk match. Retrieved 2026-04-07. https://open.fda.gov/data/ndc/ US Census international trade: HS 293399 for CAS 50-67-9. Reporting year: 2024. https://usatrade.census.gov/