Flag of the United StatesAmerican Chemical Independence

Indole

Drug ingredient

CAS 120-72-9

Companies reported imports and no US production of this drug ingredient to EPA for 2023.

Molecular structure of 120-72-9
US productionZero
Import value, 2024$1.4B
Import volume21.2K lb
Import dependency100%
Top sourceIreland 33%

Production is reported production, not a complete census of factories. Production reporting year: 2023. Import value and source-country shares describe a shared customs category, not a separate chemical measurement.

Indole · US import value by year
$4.7B2013$1.4B2024$1.4B2025

Peak 2013: $4.7B · 2024: $1.4B · 2025: $1.4B

Where It Comes From

Customs basis: HS 293399 · basket

EPA reports by year
2023
US production Zero · Imports 21.2K lb

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
EPA-registered importers (3)
Reckitt Benckiser Group · GB United Kingdom
Cellmark Usa
Reckitt Benckiser
6 FDA-registered drug labelers
Apex Energetics Inc.
BioActive Nutritional, Inc.
Deseret Biologicals, Inc.
Energetix Corporation
Energique, Inc.
Guna spa

Why It Matters

Sectors
HealthMetals & Mining
Downstream Uses

Appears in 10 drug and cosmetic product listings (FDA).

  • •Cand Plus
  • •Eubioflor
  • •Ileocecal Valve Support
  • •Colotox
  • •Respiratory Plus
  • •A04 DEEP Antitox
  • •B04 Digestion
  • •Isopathic Phenolic Rings
Show all 10
  • •Multi-Phenolic
  • •D02 Digestive Drainage
FDA Shortage Status
No FDA shortage records

Industrial Uses

  • •Laboratory chemicals in Miscellaneous ManufacturingProcessing as a reactant

Vendor Pricing

$0.05/gAaron Chemicals LLC
CountryHong Kong
Pack$24.00 / 500 g
Purity99%
Vendors32 available

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

31 more vendors
VendorCountry$/gPackPurity
Angene ChemicalChina → Hong Kong$0.051 kg99%
AA BLOCKSUnited States$0.051 kg98%
A2B Chem LLCUnited States$0.051 kg98%
ChemsceneUnited States$0.081 kg—
Ambeed, Inc.United States$0.12500 g98%
Sigma-Aldrich (Rush Stock)Germany$0.1225 kg99%
Sigma-AldrichGermany$0.1225 kg99%
Fluorochem EUGermany$0.14500 g99%
Fluorochem UKUnited Kingdom$0.15500 g99%
Apollo Scientific USUnited Kingdom$0.16500 g98%
AK Scientific SpecializedUnited States$0.221 kg95%
Combi-Blocks, Inc.United States$0.251 kg98%
AK Scientific, Inc.United States$0.281 kg98%
AstaTech, IncUnited States$0.7225 g95%
Key Organics Ltd.United Kingdom$0.81100 g95%
ALFA AESARGermany$0.88250 g99%
Angene International LimitedUnited States$3.2025 g98%
InterbioscreenHong Kong$17.0010 g95%
MedKoo Biosciences, IncUnited States$50.005 g98%
TargetMol ChemicalsChina → United States$129.001 g99.97%
TargetMol Chemicals EUAustria$178.00500 mg99.97%
MedChemExpress MCESweden$193.601 g99.99%
Labotest KGGermany$217.805000 mg90%
Vitas M Chemical LimitedHong Kong$225.001 g90%
MolnovaChina$370.00100 mg99%
Otava, Ltd.Ukraine$460.00250 mg95%
ChemFacesChina$1500.0020 mg98%
Princeton BioMolecular Research (SC)United States$4200.0050 mg90%
AngeneChina → Hong Kong$4266.6730 mg99%
AsinexNetherlands$6461.40100 mg90%
TimTec, LLC (back-ordered)United States$32000.0015 mg94%

Chemical Identity

CAS120-72-9
PubChem CID798
DTXSIDDTXSID0020737
FormulaC8H7N
Mol. Weight117.15 g/mol
SMILESC1=CC=C2C(=C1)C=CN2

Data Sources

← Back to Dashboard← Back to Health

Brief citations

Indole (CAS 120-72-9) https://chemicalindependence.com/chemical/120-72-9/ PubChem: 798. Retrieved 2026-04-07. https://pubchem.ncbi.nlm.nih.gov/compound/798 EPA Chemical Data Reporting: 120-72-9. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting 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 120-72-9. Reporting year: 2024. https://usatrade.census.gov/