Tripalmitin

Drug ingredient

CAS 555-44-2

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

US productionNot reported

Import value, 2024$114M

Top sourceIndonesia 27%

This chemical is listed as active in US commerce, but no company reported it to EPA’s survey for 2019 or 2023. Sites may have made or imported less than the threshold amount, or none.

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 291570 · basket

These shares come from HS customs code 291570, which covers 96 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.

Source Countries

Country of origin for US imports, from Census customs data (2024).

ID 27%IndonesiaMY 25%MalaysiaSG 12%SingaporeIN 10%IndiaIT 6%Italy

United Kingdom
Colombia
Argentina
Vietnam
Peru
Brazil
Sweden
Denmark
Switzerland

1 FDA-registered drug labeler

Sigma-Aldrich Corporation

Why It Matters

Sectors

Health

Downstream UsesNot recorded

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

$1.44/gA2B Chem LLC

CountryUnited States

Pack$361.00 / 250 g

Purity98%

Vendors14 available

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

13 more vendors

Vendor	Country	$/g	Pack	Purity
AA BLOCKS	United States	$1.54	250 g	98%
AstaTech, Inc	United States	$2.77	100 g	95%
Sigma-Aldrich (Rush Stock)	Germany	$4.96	100 g	85%
Sigma-Aldrich	Germany	$4.96	100 g	85%
Cayman Europe	Estonia	$5.76	50 g	85%
BLD Pharmatech Ltd.	China	$11.36	25 g	98%
AK Scientific, Inc.	United States	$14.72	25 g	95%
Combi-Blocks, Inc.	United States	$16.00	5 g	95%
BLD Pharmatech Co., Limited	United States	$17.80	5 g	98%
Ambeed, Inc.	United States	$17.80	5 g	98%
TargetMol Chemicals	China → United States	$54.00	1 g	99.54%
Molnova	China	$250.00	200 mg	99%
MedChemExpress MCE	Sweden	$314.60	100 mg	99.63%

Chemical Identity

CAS555-44-2

PubChem CID11147

DTXSIDDTXSID8046169

FormulaC51H98O6

Mol. Weight807.3 g/mol

SMILESCCCCCCCCCCCCCCCC(=O)OCC(COC(=O)CCCCCCCCCCCCCCC)OC(=O)CCCCCCCCCCCCCCC

Data Sources

PubChem · compound 11147Retrieved 2026-04-07
EPA TSCA InventoryRetrieved 2026-04-24
FDA National Drug Code directoryRetrieved 2026-04-07
US Census international tradeReporting year: 2024 · Retrieved 2026-10-04

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Brief citations

Tripalmitin (CAS 555-44-2) https://chemicalindependence.com/chemical/555-44-2/ PubChem: 11147. Retrieved 2026-04-07. https://pubchem.ncbi.nlm.nih.gov/compound/11147 EPA TSCA Inventory: CAS 555-44-2. Retrieved 2026-04-24. https://www.epa.gov/tsca-inventory FDA National Drug Code directory: bulk match. Retrieved 2026-04-07. https://open.fda.gov/data/ndc/ US Census international trade: HS 291570 for CAS 555-44-2. Reporting year: 2024. https://usatrade.census.gov/