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Pyridostigmine bromide

Drug ingredient

CAS 101-26-8

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

Molecular structure of 101-26-8
1 Br⁻
US productionNot reported
Import value, 2024$1.3B
Top sourceChina 32%

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 293339 · basket

These shares come from HS customs code 293339, which covers 397 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.

Source Countries
CN 32%ChinaIN 15%IndiaDE 10%GermanyBE 9%BelgiumCH 8%Switzerland
27 FDA-registered drug labelers
Acella Pharmaceuticals, LLC
Alvogen, Inc.
American Health Packaging
Amneal Pharmaceuticals LLC
Amneal Pharmaceuticals NY LLC
Amneal Pharmaceuticals of New York LLC
ANI Pharmaceuticals, Inc.
Apnar Pharma LP
Bausch Health US, LLC
DARMERICA, LLC
Golden State Medical Supply, Inc.
InvaTech Pharma Solutions LLC
Maithri Laboratories Private Limited
Major Pharmaceuticals
Method Pharmaceuticals, LLC
Novadoz Pharmaceuticals LLC
Novitium Pharma LLC
Oceanside Pharmaceuticals
Patheon Austria GmbH & CoKG
PROCOS S.p.A.
Professional Compounding Centers of America dba PCCA
Rising Pharma Holdings, Inc.
Sandoz Inc
Surgeon General-Department of the Army (TSG-DA)
VistaPharm, LLC
Zydus Lifesciences Limited
Zydus Pharmaceuticals (USA) Inc.

Why It Matters

Sectors
Health
Downstream Uses

Appears in 5 drug and cosmetic product listings (FDA).

  • •Pyridostigmine Bromide
  • •Mestinon
  • •Pryidostigmine Bromide
  • •Regonol
  • •Pyridostigmine
FDA Shortage Status
No FDA shortage records

Vendor Pricing

$2.84/gA2B Chem LLC
CountryUnited States
Pack$71.00 / 25 g
Purity99%
Vendors19 available

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

18 more vendors
VendorCountry$/gPackPurity
AA BLOCKSUnited States$3.0425 g99%
AK Scientific, Inc.United States$4.4025 g95%
AK Scientific SpecializedUnited States$5.8825 g98%
Aaron Chemicals LLCHong Kong$5.97100 g99%
Angene ChemicalChina → Hong Kong$6.38100 g98%
Ambeed, Inc.United States$34.001 g99%
AstaTech (2 weeks)United States$38.5225 g98%
Apexbio Technology LLCUnited States$41.805 g99.79%
MedChemExpress MCESweden$50.095 g99.07%
Angene International LimitedUnited States$60.001 g95%
MolnovaChina$68.001 g99%
TargetMol ChemicalsChina → United States$76.001 g99.99%
MedKoo Biosciences, IncUnited States$95.0010 g98%
Sigma-Aldrich (Rush Stock)Germany$123.525 g—
Sigma-AldrichGermany$123.525 g—
Cayman EuropeEstonia$189.211 g98%
Labotest KGGermany$453.001000 mg90%
AngeneChina → Hong Kong$4266.6730 mg98%

Chemical Identity

CAS101-26-8
PubChem CID7550
DTXSIDDTXSID9023540
FormulaC9H13BrN2O2
Mol. Weight261.12 g/mol
SMILESC[N+]1=CC=CC(=C1)OC(=O)N(C)C.[Br-]

Data Sources

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Brief citations

Pyridostigmine bromide (CAS 101-26-8) https://chemicalindependence.com/chemical/101-26-8/ PubChem: 7550. Retrieved 2026-04-07. https://pubchem.ncbi.nlm.nih.gov/compound/7550 FDA National Drug Code directory: CAS 101-26-8. 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 293339 for CAS 101-26-8. Reporting year: 2024. https://usatrade.census.gov/