neostigmine methylsulfate
Drug ingredientThis chemical is an active pharmaceutical ingredient used in FDA-regulated drugs.
Where It Comes From
32 FDA-registered drug labelers
Amneal Pharmaceuticals LLC
Amphastar Pharmaceuticals, Inc.
Aurobindo Pharma Limited
BE Pharmaceuticals Inc.
Camber Pharmaceuticals Inc.
Caplin Steriles Limited
Civica, Inc.
Dr.Reddy's Laboratories Inc
Emcure Pharmaceuticals Limited
Enaltec Labs Pvt Ltd
Endo USA
Eugia US LLC
Exela Pharma Sciences, LLC
Fresenius Kabi USA, LLC
Gland Pharma Limited
Harman Finochem Limited
Heritage Pharmaceuticals Inc. d/b/a Avet Pharmaceuticals Inc.
HF Acquisition Co LLC, DBA HealthFirst
Hikma Pharmaceuticals USA Inc.
Hubei Haosun Pharmaceutical Co., Ltd.
Indoco Remedies Limited
Medical Purchasing Solutions, LLC
MEDISCA Inc.
Meitheal Pharmaceuticals Inc.
MSN Laboratories Private Limited
Par Health USA, LLC
Patheon Austria GmbH & CoKG
ProPharma Distribution
Sagent Pharmaceuticals
Somerset Therapeutics, LLC
Xellia Pharmaceuticals USA LLC
Xiromed LLC
Why It Matters
Sectors
Health
Downstream Uses
Appears in 4 drug and cosmetic product listings (FDA).
- •Neostigmine Methylsulfate
- •Neostigmine
- •Prevduo
- •Bloxiverz
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 Shortage
Shortage History
Each row is a separate manufacturer's FDA shortage filing — not a timeline for the drug as a whole. Multiple "current" entries are normal: each manufacturer/NDC files independently. Status reflects the manufacturer's report; reason describes their supply situation (Available, Unavailable, or to be discontinued).
to be discontinued
Neostigmine Methylsulfate Injection
01/12/2026Vendor Pricing
$7.44/gA2B Chem LLC
CountryUnited States
Pack$186.00 / 25 g
Purity99.53%
Vendors21 available
Prices reflect listed pack sizes. Small research packs run far above bulk rates.
20 more vendors
| Vendor | Country Supplier country. Where available, shows shipping origin. When the supplier ships from a different country than where they are registered, both are shown. Most suppliers show registration country only. | $/g | Pack | Purity |
|---|---|---|---|---|
| AA BLOCKS | United States | $7.96 | 25 g | 98% |
| Aaron Chemicals LLC | Hong Kong | $9.16 | 25 g | 98% |
| Angene Chemical | China → Hong Kong | $9.84 | 25 g | 98% |
| AK Scientific Specialized | United States | $11.04 | 25 g | 95% |
| AK Scientific, Inc. | United States | $16.40 | 25 g | 98% |
| Sigma-Aldrich (Rush Stock) | Germany | $48.94 | 5 g | — |
| Sigma-Aldrich | Germany | $48.94 | 5 g | — |
| Ambeed, Inc. | United States | $80.00 | 250 mg | 98% |
| Cayman Europe | Estonia | $86.87 | 1 g | 98% |
| Fulfilled by Molport | Latvia | $90.00 | 100 mg | 98% |
| MedKoo Biosciences, Inc | United States | $125.00 | 10 g | 98% |
| TargetMol Chemicals | China → United States | $138.00 | 1 g | 99.9% |
| TargetMol Chemicals EU | Austria | $190.00 | 500 mg | 99.9% |
| Molnova | China | $270.00 | 200 mg | 99% |
| AstaTech (2 weeks) | United States | $351.60 | 5 g | 98% |
| Labotest KG | Germany | $453.00 | 1000 mg | 90% |
| MedChemExpress MCE | Sweden | $750.20 | 100 mg | 99.5% |
| Axon Medchem | Netherlands | $960.00 | 50 mg | 100% |
| Angene International Limited | United States | $1130.00 | 100 mg | 98% |
| Angene | China → Hong Kong | $4266.67 | 30 mg | 98% |
Chemical Identity
CAS51-60-5
PubChem CID5824
DTXSIDDTXSID40199003
FormulaC13H22N2O6S
Mol. Weight334.39 g/mol
SMILESCN(C)C(=O)OC1=CC=CC(=C1)[N+](C)(C)C.COS(=O)(=O)[O-]
Data Sources
58242026-04-07
https://pubchem.ncbi.nlm.nih.gov/rest/pug/compound/name/neostigmine methylsulfate/cids/JSON
Archive: data/sources/pubchem_name/neostigmine methylsulfate.json
CAS 51-60-52026-04-25
https://open.fda.gov/data/ndc/
Archive: data/sources/fda/ndc/ndc.json
CAS 51-60-52026-06-13
https://api.fda.gov/drug/shortages.json
Archive: data/sources/fda/shortages/shortages.json