phenolphthalein
Drug ingredientThis chemical is an active pharmaceutical ingredient used in FDA-regulated drugs.
Where It Comes From
1 FDA-registered drug labeler
Apex Energetics Inc.
Why It Matters
Sectors
Health
Downstream Uses
Appears in 1 drug and cosmetic product listings (FDA).
- •N02 Petrochem
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
$0.04/gAaron Chemicals LLC
CountryHong Kong
Pack$21.00 / 500 g
PurityNo data available
Vendors22 available
Prices reflect listed pack sizes. Small research packs run far above bulk rates.
21 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 | $0.05 | 500 g | 99% |
| AA BLOCKS | United States | $0.09 | 1 kg | 99% |
| A2B Chem LLC | United States | $0.09 | 500 g | 99% |
| AK Scientific Specialized | United States | $0.10 | 500 g | 95% |
| Ambeed, Inc. | United States | $0.11 | 1 kg | 99% |
| Sigma-Aldrich (Rush Stock) | Germany | $0.17 | 2.5 kg | — |
| Sigma-Aldrich | Germany | $0.17 | 2.5 kg | — |
| Combi-Blocks, Inc. | United States | $0.25 | 1 kg | 98% |
| AK Scientific, Inc. | United States | $0.26 | 500 g | 98% |
| MedChemExpress MCE | Sweden | $0.30 | 250 g | 99.92% |
| MedKoo Biosciences, Inc | United States | $0.66 | 500 g | 98% |
| AstaTech (2 weeks) | United States | $0.99 | 100 g | 95% |
| Angene International Limited | United States | $3.08 | 25 g | — |
| Molnova | China | $45.00 | 1 g | 99% |
| Apexbio Technology LLC | United States | $64.00 | 1 g | 99.55% |
| Labotest KG | Germany | $217.80 | 5000 mg | 90% |
| Vitas M Chemical Limited | Hong Kong | $360.00 | 1 g | 90% |
| Princeton BioMolecular Research (SC) | United States | $2900.00 | 100 mg | 90% |
| Life Chemicals Inc. | Ukraine → Canada | $3100.00 | 100 mg | 90% |
| Angene | China → Hong Kong | $4266.67 | 30 mg | 99% |
| TimTec, LLC | United States | $9333.33 | 30 mg | 98.55% |
Chemical Identity
CAS77-09-8
PubChem CID4764
DTXSIDDTXSID0021125
FormulaC20H14O4
Mol. Weight318.3 g/mol
SMILESC1=CC=C2C(=C1)C(=O)OC2(C3=CC=C(C=C3)O)C4=CC=C(C=C4)O
Data Sources
47642026-04-07
https://pubchem.ncbi.nlm.nih.gov/rest/pug/compound/name/phenolphthalein/cids/JSON
Archive: data/sources/pubchem_name/phenolphthalein.json
CAS 77-09-82026-04-24
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