melatonin

Drug ingredient

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

Molecular structure of 73-31-4

Where It Comes From

17 FDA-registered drug labelers
BioActive Nutritional, Inc.
Deseret Biologicals
Deseret Biologicals, Inc.
Dr. Donna Restivo DC
Energique, Inc.
Flamma S.p.A.
Guna spa
Huanggang Saikang Pharmaceutical Co., Ltd.
Liddell Laboratories, Inc.
Medisca Inc.
Nutritional Specialties, Inc.
Pain & Stress Center Products
Pro Weight Loss Inc.
Professional Complementary Health Formulas
Professional Compounding Centers of America
Swati Spentose Private Limited
Willow Birch Pharma, LLC

Why It Matters

Sectors
Health
Downstream Uses

Appears in 40 drug and cosmetic product listings (FDA).

  • •GUNA-FLAM
  • •Perfect Sleep
  • •Vascuflow
  • •Melatonin Pro
  • •Young Again
  • •ANTI AGE Stress
  • •GUNA-MALE
  • •GUNA-Prostate
Show all 40
  • •GUNA-Awareness
  • •Neurotransmitter Pro
  • •Pineal Liquescence
  • •GUNA-Virus
  • •HGH Vitality
  • •High Vitality Tab
  • •Melatonin
  • •GUNA-Dermo
  • •GUNA-Digest
  • •Sleep Tight
  • •Melatonin 1527
  • •GUNA-Tonsils
  • •GUNA-Sleep
  • •Neuro I
  • •HP Axis
  • •Bio Thalamus Phase
  • •GUNA-FEM
  • •GUNA-Dizzy
  • •GUNA-Hypertension
  • •GUNA-Spasm
  • •GUNA-Geriatrics
  • •High Vitality
  • •Melatonin CORD
  • •Pollutox
  • •Multi-Phenolic
  • •GUNA-PMS
  • •Melatonin Forte
  • •Insomnia
  • •Pineal Liquescence 3030
  • •Melatonin Phenolic
  • •Neuro Links
  • •Sleep Aid
FDA Shortage Status
No FDA shortage records

Vendor Pricing

$0.32/gAaron Chemicals LLC
CountryHong Kong
Pack$159.00 / 500 g
Purity98%
Vendors39 available

Prices reflect listed pack sizes. Small research packs run far above bulk rates.

38 more vendors
VendorCountry$/gPackPurity
ChemsceneUnited States$0.321 kg—
Angene ChemicalChina → Hong Kong$0.33500 g98%
BLD Pharmatech GmbHGermany$0.331 kg97%
BLD Pharmatech Ltd.China$0.331 kg97%
Ambeed, Inc.United States$0.331 kg97%
A2B Chem LLCUnited States$0.371 kg98%
AK Scientific SpecializedUnited States$0.381 kg98%
Combi-Blocks, Inc.United States$0.381 kg97%
AA BLOCKSUnited States$0.391 kg98%
BLD Pharmatech Co., LimitedUnited States$0.40500 g97%
AstaTech, IncUnited States$0.59100 g95%
Fluorochem EUGermany$0.60100 g98%
Fluorochem UKUnited Kingdom$0.8025 g98%
A2B Chem LLC (2 weeks)United States$1.4425 g98%
AA BLOCKS (2 weeks)United States$1.6825 g98%
AK Scientific, Inc.United States$2.16100 g98.5%
Angene International LimitedUnited States$3.67100 g98.5%
Manchester OrganicsUnited Kingdom$5.645 g98%
Cayman EuropeEstonia$7.66100 g98%
MedChemExpress MCESweden$9.5150 g99.98%
Apexbio Technology LLCUnited States$20.005 g99.67%
Apollo Scientific UKUnited Kingdom$21.001 g—
MedKoo Biosciences, IncUnited States$26.0025 g98%
MolnovaChina$29.001 g99%
TargetMol ChemicalsChina → United States$31.001 g99.89%
Sigma-Aldrich (Rush Stock)Germany$128.2310 g98%
Sigma-AldrichGermany$128.2310 g98%
ChemNormChina$150.00100 mg98%
CliniSciences GmbHSwitzerland$322.50100 mg99%
Labotest KGGermany$453.001000 mg90%
ChemFacesChina$1500.0020 mg98%
Princeton BioMolecular Research (SC)United States$2900.00100 mg90%
Vitas M Chemical LimitedHong Kong$3170.00100 mg90%
AngeneChina → Hong Kong$4266.6730 mg98%
Life Chemicals Inc.Ukraine → Canada$4650.00100 mg90%
ChemDiv, Inc.United States$6700.0040 mg90%
Key Organics Ltd.United Kingdom$6900.0010 mg97%
AsinexNetherlands$87120.002 mg90%

Chemical Identity

CAS73-31-4
PubChem CID896
DTXSIDDTXSID1022421
FormulaC13H16N2O2
Mol. Weight232.28 g/mol
SMILESCC(=O)NCCC1=CNC2=C1C=C(C=C2)OC

Data Sources

8962026-04-07

https://pubchem.ncbi.nlm.nih.gov/rest/pug/compound/name/melatonin/cids/JSON

Archive: data/sources/pubchem_name/melatonin.json

CAS 73-31-42026-04-25

https://open.fda.gov/data/ndc/

Archive: data/sources/fda/ndc/ndc.json

bulk match2026-04-07

https://open.fda.gov/data/ndc/

Archive: data/sources/fda/ndc/ndc.json

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