diphenhydramine citrate
Drug ingredientCAS 88637-37-0
This chemical is an active pharmaceutical ingredient used in FDA-regulated drugs.
This chemical is not on EPA’s Toxic Substances Control Act inventory, the list behind EPA’s production survey.
Why supply is unknownWhere It Comes From
EPA and Census publish no US supply data for this chemical.
41 FDA-registered drug labelers
Why It Matters
Appears in 27 drug and cosmetic product listings (FDA).
- •basic care ibuprofen pm
- •Ibuprofen PM
- •equate ibuprofen pm
- •Advil PM
- •up and up ibuprofen pm
- •Ibuprofen and Diphenhydramine Citrate
- •good sense ibuprofen pm
- •Goodys PM
Show all 27
- •Signature Care Ibuprofen PM
- •Topcare Ibuprofen PM
- •Exchange Select Ibuprofen PM
- •dg health Ibuprofen pm
- •Advil PM- diphenhydramine citrate and ibuprofen tablet, coated
- •good neighbor pharmacy ibuprofen pm
- •PM Headache
- •Advil PM, Travel Basix
- •Advil PM, CVP Health
- •equaline ibuprofen pm
- •Pain Relief PM
- •Care One Ibuprofen PM
- •Ibuprofen 200 mg and Diphenhydramine Citrate 38 mg
- •Excedrin PM Triple Action Caplets
- •Motrin PM
- •Acetaminophen and Diphenhydramine citrate
- •Amazon Basic CARE Ibuprofen PM
- •Leader Ibuprofen PM
- •foster and thrive ibuprofen pm
Vendor Pricing
Prices reflect listed pack sizes. Small research packs run far above bulk rates.
2 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 |
|---|---|---|---|---|
| A2B Chem LLC (1 week) | United States | $2115.00 | 200 mg | — |
| AA BLOCKS (1 week) | United States | $2235.00 | 200 mg | — |
Chemical Identity
Data Sources
- PubChem · compound 174697Retrieved 2026-04-07
- FDA National Drug Code directoryRetrieved 2026-04-25
- FDA National Drug Code directoryRetrieved 2026-04-07
Brief citations
diphenhydramine citrate (CAS 88637-37-0) https://chemicalindependence.com/chemical/88637-37-0/ PubChem: 174697. Retrieved 2026-04-07. https://pubchem.ncbi.nlm.nih.gov/compound/174697 FDA National Drug Code directory: CAS 88637-37-0. Retrieved 2026-04-25. https://open.fda.gov/data/ndc/ FDA National Drug Code directory: bulk match. Retrieved 2026-04-07. https://open.fda.gov/data/ndc/