theophylline
Drug ingredientThis chemical is an active pharmaceutical ingredient used in FDA-regulated drugs.
Where It Comes From
7 FDA-registered drug labelers
Alembic Pharmaceuticals Limited
Kalchem International inc
Leading Pharma, LLC
PAI Holdings, LLC dba PAI Pharma
Shandong Xinhua Pharmaceutical Company Limited
Spectrum Laboratory Products, Inc.
Teva Pharmaceuticals, Inc.
Why It Matters
Sectors
Health
Downstream Uses
Appears in 1 drug and cosmetic product listings (FDA).
- •Theophylline
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
$0.29/gA2B Chem LLC
CountryUnited States
Pack$29.00 / 100 g
Purity97%
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 | $0.32 | 100 g | 98% |
| Aaron Chemicals LLC | Hong Kong | $0.43 | 500 g | 97% |
| Fluorochem EU | Germany | $0.45 | 100 g | 97% |
| Fluorochem UK | United Kingdom | $0.46 | 100 g | 97% |
| Angene Chemical | China → Hong Kong | $0.50 | 500 g | 97% |
| Angene International Limited | United States | $3.20 | 25 g | 98% |
| Fulfilled by Molport | Latvia | $5.00 | 1 g | 98% |
| Apexbio Technology LLC | United States | $10.00 | 5 g | 100% |
| MedKoo Biosciences, Inc | United States | $22.00 | 25 g | 98% |
| Molnova | China | $74.00 | 500 mg | 99% |
| TargetMol Chemicals | China → United States | $82.00 | 500 mg | 99.98% |
| ChemNorm | China | $300.00 | 50 mg | 98% |
| Labotest KG | Germany | $453.00 | 1000 mg | 90% |
| AstaTech (2 weeks) | United States | $990.00 | 100 mg | 95% |
| ChemFaces | China | $1500.00 | 20 mg | 98% |
| ChemDiv, Inc. | United States | $4070.00 | 100 mg | 90% |
| Angene | China → Hong Kong | $4266.67 | 30 mg | 97% |
| Asinex | Netherlands | $8651.50 | 100 mg | 90% |
| TimTec, LLC | United States | $9333.33 | 30 mg | 90% |
| AnalytiCon Discovery - a Division of BRAIN Biotech AG | Germany | $89013.91 | 23 mg | 85% |
Chemical Identity
CAS58-55-9
PubChem CID2153
DTXSIDDTXSID5021336
FormulaC7H8N4O2
Mol. Weight180.16 g/mol
SMILESCN1C2=C(C(=O)N(C1=O)C)NC=N2
Data Sources
21532026-04-07
https://pubchem.ncbi.nlm.nih.gov/rest/pug/compound/name/theophylline/cids/JSON
Archive: data/sources/pubchem_name/theophylline.json
CAS 58-55-92026-04-24
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