3,3'-diindolylmethane

Drug ingredient

CAS 1968-05-4

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

US productionNot reported

Top sourceNo public record

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

Why supply is unknown

Where It Comes From

EPA and Census publish no US supply data for this chemical.

1 FDA-registered drug labeler

Deseret Biologicals, Inc.

Why It Matters

Sectors

Health

Downstream Uses

Appears in 1 drug and cosmetic product listings (FDA).

•Menopause Relief

FDA Shortage Status

Whether any manufacturer currently reports this drug as in shortage on the FDA Drug Shortages database. "Active Shortage" means at least one presentation has status "current."

No FDA shortage records

Vendor Pricing

$0.10/gAaron Chemicals LLC

CountryHong Kong

Pack$52.00 / 500 g

Purity98%

Vendors25 available

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

24 more vendors

Vendor	Country	$/g	Pack	Purity
Angene Chemical	China → Hong Kong	$0.11	500 g	98%
A2B Chem LLC	United States	$0.21	500 g	98%
Fluorochem EU	Germany	$0.23	100 g	98%
AA BLOCKS	United States	$0.24	500 g	98%
Combi-Blocks, Inc.	United States	$0.25	1 kg	97%
Ambeed, Inc.	United States	$0.26	1 kg	98%
Chemscene	United States	$0.30	500 g	—
BLD Pharmatech Co., Limited	United States	$0.30	500 g	98%
BLD Pharmatech GmbH	Germany	$0.30	500 g	98%
BLD Pharmatech Ltd.	China	$0.40	100 g	98%
AK Scientific Specialized	United States	$0.78	100 g	95%
AK Scientific, Inc.	United States	$1.02	100 g	98%
Angene International Limited	United States	$1.92	100 g	98%
Sigma-Aldrich (Rush Stock)	Germany	$59.60	5 g	98%
Sigma-Aldrich	Germany	$59.60	5 g	98%
Apexbio Technology LLC	United States	$129.00	1 g	99.69%
Molnova	China	$146.00	500 mg	99%
TargetMol Chemicals	China → United States	$162.00	500 mg	99.99%
Cayman Europe	Estonia	$199.92	500 mg	98%
MedChemExpress MCE	Sweden	$266.20	500 mg	99.93%
ChemDiv, Inc.	United States	$4070.00	100 mg	90%
Angene	China → Hong Kong	$4266.67	30 mg	98%
Key Organics Ltd.	United Kingdom	$6900.00	10 mg	97%
ChemBridge Corporation	Kazakhstan	$12500.00	10 mg	90%

Chemical Identity

CAS1968-05-4

PubChem CID3071

DTXSIDDTXSID8037047

FormulaC17H14N2

Mol. Weight246.31 g/mol

SMILESC1=CC=C2C(=C1)C(=CN2)CC3=CNC4=CC=CC=C43

Data Sources

PubChem · compound 3071Retrieved 2026-04-07
FDA National Drug Code directoryRetrieved 2026-04-25
FDA National Drug Code directoryRetrieved 2026-04-07

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Brief citations

3,3'-diindolylmethane (CAS 1968-05-4) https://chemicalindependence.com/chemical/1968-05-4/ PubChem: 3071. Retrieved 2026-04-07. https://pubchem.ncbi.nlm.nih.gov/compound/3071 FDA National Drug Code directory: CAS 1968-05-4. 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/