Cromolyn sodium
Drug ingredientActive ShortageCAS 15826-37-6
This drug ingredient is in active FDA shortage. At least one manufacturer cannot meet demand.
This chemical is not on EPA’s Toxic Substances Control Act inventory, the list behind EPA’s production survey.
Why supply is unknownProduction 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 293299 · basket
These shares come from HS customs code 293299, which covers 229 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.
- United Kingdom
- Japan
- Germany
- Spain
- Israel
- Canada
- Brazil
- Vietnam
- Ukraine
- New Zealand
- Belgium
- Mexico
- Singapore
- Taiwan
- South Korea
- Sweden
- South Africa
- Egypt
- Indonesia
- Lithuania
- Finland
- Hungary
- Czech Republic
- Hong Kong
- Malaysia
- Slovakia
- Australia
- Russia
- Jordan
- Latvia
- Argentina
- Slovenia
- Malta
- Poland
- Denmark
- Austria
28 FDA-registered drug labelers
Why It Matters
Appears in 5 drug and cosmetic product listings (FDA).
- •Cromolyn Sodium
- •Cromolyn Sodium Oral Solution (Concentrate)
- •Cromolyn Sodium Inhalation Solution
- •Gastrocrom
- •NasalCrom
- Current shortage
Cromolyn Sodium Concentrate
Shortage listed since November 3, 2023
Manufacturer reports: 1 limited, 1 available
Vendor Pricing
Prices reflect listed pack sizes. Small research packs run far above bulk rates.
24 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 |
|---|---|---|---|---|
| Angene Chemical | China → Hong Kong | $3.96 | 100 g | 95% |
| A2B Chem LLC | United States | $4.92 | 25 g | 97% |
| Combi-Blocks, Inc. | United States | $5.00 | 100 g | 97% |
| AA BLOCKS | United States | $5.48 | 25 g | 97% |
| BLD Pharmatech Co., Limited | United States | $5.71 | 100 g | 97% |
| BLD Pharmatech GmbH | Germany | $5.71 | 100 g | 97% |
| BLD Pharmatech Ltd. | China | $5.71 | 100 g | 97% |
| Ambeed, Inc. | United States | $5.71 | 100 g | 97% |
| AK Scientific Specialized | United States | $9.52 | 25 g | 95% |
| AK Scientific, Inc. | United States | $12.72 | 25 g | 98% |
| Apexbio Technology LLC | United States | $19.60 | 5 g | 98.64% |
| MedChemExpress MCE | Sweden | $23.96 | 5 g | 99.98% |
| Angene International Limited | United States | $25.40 | 25 g | 98% |
| AstaTech (2 weeks) | United States | $26.72 | 25 g | 95% |
| TargetMol Chemicals | China → United States | $48.00 | 1 g | 99.99% |
| MedKoo Biosciences, Inc | United States | $95.00 | 10 g | 98% |
| Labotest KG | Germany | $453.00 | 1000 mg | 90% |
| Axon Medchem | Netherlands | $1200.00 | 50 mg | 100% |
| Otava, Ltd. (2 weeks) | Ukraine | $2724.00 | 50 mg | 90% |
| Princeton BioMolecular Research (SC) | United States | $2900.00 | 100 mg | 90% |
| Vitas M Chemical Limited | Hong Kong | $3170.00 | 100 mg | 90% |
| Angene | China → Hong Kong | $4266.67 | 30 mg | 95% |
| Interbioscreen | Hong Kong | $6187.00 | 100 mg | 95% |
| Key Organics Ltd. | United Kingdom | $6900.00 | 10 mg | 97% |
Chemical Identity
Data Sources
- PubChem · compound 27503Retrieved 2026-04-07
- FDA National Drug Code directoryRetrieved 2026-04-25
- FDA Drug ShortagesRetrieved 2026-10-04
- US Census international tradeReporting year: 2024 · Retrieved 2026-10-04
Brief citations
Cromolyn sodium (CAS 15826-37-6) https://chemicalindependence.com/chemical/15826-37-6/ PubChem: 27503. Retrieved 2026-04-07. https://pubchem.ncbi.nlm.nih.gov/compound/27503 FDA National Drug Code directory: CAS 15826-37-6. Retrieved 2026-04-25. https://open.fda.gov/data/ndc/ FDA Drug Shortages: CAS 15826-37-6. Retrieved 2026-10-04. https://www.accessdata.fda.gov/scripts/drugshortages/ US Census international trade: HS 293299 for CAS 15826-37-6. Reporting year: 2024. https://usatrade.census.gov/