Triprolidine hydrochloride

Drug ingredient

CAS 550-70-9

This chemical is an active pharmaceutical ingredient used in FDA-regulated drugs.

Molecular structure of 550-70-9
1 HCl
US productionNot reported
Import value, 2024$1.3B
Top sourceChina 32%

EPA lists this chemical as inactive, meaning no company reported making, importing or processing it in the US from 2006 to 2016.

Why supply is unknown

Production 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 293339 · basket

These shares come from HS customs code 293339, which covers 397 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.

Source Countries
CN 32%ChinaIN 15%IndiaDE 10%GermanyBE 9%BelgiumCH 8%Switzerland
21 FDA-registered drug labelers
A-S Medication Solutions
Allegis Pharmaceuticals, LLC
CVS HEALTH
CVS PHARMACY, INC
CVS WOONSOCKET PRESCRIPTION CENTER, INCORPORATED
Divi's Laboratories Limited
GM Pharmaceuticals, INC
HIKAL LIMITED
Llorens Pharmaceutical International Division, Inc.
LLORENS PHARMACEUTICALS INTERNATIONAL DIVISION
Major Pharmaceuticals
Malladi Drugs & Pharmaceuticals Limited
MEIJER DISTRIBUTION INC.
Poly Pharmaceuticals, Inc.
RARITAN PHARMACEUTICALS
RB Health (US) LLC
TARGET CORPORATION
Walgreen Company
WALGREENS CO
WALMART INC.
Westminster Pharmaceuticals, LLC

Why It Matters

Sectors
Health
Downstream Uses

Appears in 28 drug and cosmetic product listings (FDA).

  • •Mucinex Night Time Severe Cold and Flu
  • •Mucinex Nightshift Cold and Flu Maximum Strength
  • •Target Overnight Cold and Flu
  • •Histex-DM New Formulation
  • •Histex
  • •Delsym Nighttime Cough
  • •Mucinex Fast-Max Recharge Nighttime Cold and Flu
  • •Mucinex Nightshift Severe Cold and Flu Maximum Strength
FDA Shortage Status
No FDA shortage records

Vendor Pricing

$53.68/gAA BLOCKS
CountryUnited States
Pack$1342.00 / 25 g
Purity98%
Vendors1 available

Prices reflect listed pack sizes. Small research packs run far above bulk rates.

Chemical Identity

CAS550-70-9
PubChem CID5702129
DTXSIDDTXSID10872513
FormulaC19H23ClN2
Mol. Weight314.9 g/mol
SMILESCC1=CC=C(C=C1)C(=CCN2CCCC2)C3=CC=CC=N3.Cl

Data Sources

Brief citations

Triprolidine hydrochloride (CAS 550-70-9) https://chemicalindependence.com/chemical/550-70-9/ PubChem: 5702129. Retrieved 2026-04-07. https://pubchem.ncbi.nlm.nih.gov/compound/5702129 EPA TSCA Inventory: CAS 550-70-9. Retrieved 2026-04-24. https://www.epa.gov/tsca-inventory FDA National Drug Code directory: bulk match. Retrieved 2026-04-07. https://open.fda.gov/data/ndc/ US Census international trade: HS 293339 for CAS 550-70-9. Reporting year: 2024. https://usatrade.census.gov/