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penicillamine

Drug ingredient

CAS 52-67-5

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

Molecular structure of 52-67-5
US productionNot reported
Import value, 2024$760M
Top sourceChina 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 293090 · basket

These shares come from HS customs code 293090, which covers 418 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.

Source Countries
CN 33%ChinaES 14%SpainCH 9%SwitzerlandIT 7%ItalyIN 7%India
23 FDA-registered drug labelers
Actavis Pharma, Inc.
APICORE PHARMACEUTICALS PRIVATE LIMITED
Apothecon Pharmaceuticals Pvt Ltd
Aurobindo Pharma Limited
Bausch Health US, LLC
Breckenridge Pharmaceutical, Inc.
Cohance Lifesciences Limited
Cycle Pharmaceuticals Ltd.
DARMERICA, LLC
Dr. Reddy's Laboratories Inc.
Endo USA, Inc.
FLEMING LABORATORIES LIMITED
Granules India Limited
Granules Pharmaceuticals Inc.
LETCO MEDICAL, LLC
Lupin Pharmaceuticals, Inc.
MSN Life Sciences Private Limited
Navinta LLC
Optimus Drugs Private Limited
Proficient Rx LP
Sionc Pharmaceutical Private Limited
Viatris Specialty LLC
Vijayasri Organics Private Limited

Why It Matters

Sectors
Health
Downstream Uses

Appears in 4 drug and cosmetic product listings (FDA).

  • •Penicillamine
  • •Depen
  • •Cuprimine
  • •Aagylur
FDA Shortage Status
No FDA shortage records

Vendor Pricing

$3.34/gAaron Chemicals LLC
CountryHong Kong
Pack$334.00 / 100 g
Purity95%
Vendors20 available

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

19 more vendors
VendorCountry$/gPackPurity
Angene ChemicalChina → Hong Kong$3.37100 g95%
ChemsceneUnited States$3.71100 g—
Combi-Blocks, Inc.United States$5.6025 g98%
Ambeed, Inc.United States$6.5225 g95%
A2B Chem LLCUnited States$7.605 g95%
Fluorochem EUGermany$7.9425 g95%
SynthonixUnited States$8.0025 g95%
AA BLOCKSUnited States$8.405 g95%
AK Scientific, Inc.United States$10.6425 g98%
Angene International LimitedUnited States$17.7625 g98%
AstaTech (2 weeks)United States$19.8025 g95%
Acrotein ChemBio, Inc.United States$22.1525 g—
TargetMol ChemicalsChina → United States$278.00500 mg99.79%
MedChemExpress MCESweden$425.92500 mg98%
Labotest KGGermany$453.001000 mg90%
MolnovaChina$905.00200 mg99%
Princeton BioMolecular Research (SC)United States$2900.00100 mg90%
Vitas M Chemical LimitedHong Kong$3170.00100 mg90%
AngeneChina → Hong Kong$4266.6730 mg95%

Chemical Identity

CAS52-67-5
PubChem CID5852
DTXSIDDTXSID6037069
FormulaC5H11NO2S
Mol. Weight149.21 g/mol
SMILESCC(C)(C(C(=O)O)N)S

Data Sources

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Brief citations

penicillamine (CAS 52-67-5) https://chemicalindependence.com/chemical/52-67-5/ PubChem: 5852. Retrieved 2026-04-07. https://pubchem.ncbi.nlm.nih.gov/compound/5852 FDA National Drug Code directory: CAS 52-67-5. 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 293090 for CAS 52-67-5. Reporting year: 2024. https://usatrade.census.gov/