carbocysteine
Drug ingredientThis chemical is an active pharmaceutical ingredient used in FDA-regulated drugs.
Where It Comes From
1 FDA-registered drug labeler
PharmaZell GmbH
Why It Matters
Sectors
Health
Downstream UsesNo data available
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
$0.16/gA2B Chem LLC
CountryUnited States
Pack$80.00 / 500 g
Purity98%
Vendors27 available
Prices reflect listed pack sizes. Small research packs run far above bulk rates.
26 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 | $0.18 | 500 g | 98% |
| Angene Chemical | China → Hong Kong | $0.19 | 100 g | 98% |
| Aaron Chemicals LLC | Hong Kong | $0.20 | 25 g | 98% |
| BLD Pharmatech GmbH | Germany | $0.20 | 1 kg | 98% |
| BLD Pharmatech Ltd. | China | $0.20 | 1 kg | 98% |
| Ambeed, Inc. | United States | $0.22 | 1 kg | 98% |
| BLD Pharmatech Co., Limited | United States | $0.22 | 1 kg | 98% |
| Combi-Blocks, Inc. | United States | $0.25 | 1 kg | 97% |
| AK Scientific Specialized | United States | $0.30 | 500 g | 95% |
| AK Scientific, Inc. | United States | $0.42 | 500 g | 98% |
| Angene International Limited | United States | $0.72 | 500 g | 98% |
| ALFA AESAR | Germany | $1.85 | 100 g | 97% |
| AstaTech (2 weeks) | United States | $3.08 | 25 g | 95% |
| Sigma-Aldrich (Rush Stock) | Germany | $7.96 | 25 g | — |
| Sigma-Aldrich | Germany | $7.96 | 25 g | — |
| MedKoo Biosciences, Inc | United States | $22.00 | 25 g | 98% |
| Interbioscreen | Hong Kong | $24.00 | 10 g | 95% |
| Molnova | China | $27.00 | 1 g | 99% |
| TargetMol Chemicals | China → United States | $30.00 | 1 g | 99.93% |
| MedChemExpress MCE | Sweden | $49.61 | 1 g | 99.79% |
| Combi-Blocks (back-ordered) | United States | $432.00 | 5 g | 95% |
| Labotest KG | Germany | $453.00 | 1000 mg | 90% |
| Acrotein ChemBio, Inc. | United States | $660.00 | 1 g | — |
| A2B Chem LLC (2 weeks) | United States | $1170.00 | 100 mg | 98% |
| AA BLOCKS (2 weeks) | United States | $1240.00 | 100 mg | 98% |
| IRIS Biotech Gmbh | Germany | $4560.00 | 25 mg | — |
Chemical Identity
CAS638-23-3
PubChem CID193653
DTXSIDDTXSID30110060
FormulaC5H9NO4S
Mol. Weight179.2 g/mol
SMILESC(C(C(=O)O)N)SCC(=O)O
Data Sources
1936532026-04-07
https://pubchem.ncbi.nlm.nih.gov/rest/pug/compound/name/carbocysteine/cids/JSON
Archive: data/sources/pubchem_name/carbocysteine.json
CAS 638-23-32026-04-24
https://www.epa.gov/tsca-inventory
Archive: data/sources/tsca/tsca_inventory.csv
bulk match2026-04-07
https://open.fda.gov/data/ndc/
Archive: data/sources/fda/ndc/ndc.json