histamine dihydrochloride

Drug ingredient

CAS 56-92-8

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

Molecular structure of 56-92-8
2 HCl
US productionNot reported
Import value, 2024$114M
Top sourceChina 26%

This chemical is listed as active in US commerce, but no company reported it to EPA’s survey for 2019 or 2023. Sites may have made or imported less than the threshold amount, or none.

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 293329 · basket

These shares come from HS customs code 293329, which covers 173 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.

Source Countries
CN 26%ChinaIN 17%IndiaKR 16%South KoreaDE 9%GermanyIT 9%Italy
59 FDA-registered drug labelers
ALPHA NUTRITION, LLC
American Standard Nutraceuticals
Apex Energetics Inc.
Apotheca Company
BAKER'S BEST HEALTH PRODUCTS, INC.
Baker's Best Health Products, LLC
Be Well Medical dba Richard Clement Nutrition y Be Well Homeopathics
Beyond Derma, LLC
BioActive Nutritional
BioActive Nutritional, Inc.
Boiron
Church & Dwight Co., Inc.
CMI Therapy Solutions
CVS Health
Deseret Biologials, Inc.
Deseret Biologicals, Inc.
DNA Labs, Inc.
Dr. Donna Restivo DC
Dr. Mike's Vitamins, LLC
Eight and Company L.L.C
Energetix Corporation
Energique, Inc.
FUSION PAIN SOLUTIONS LLC
GMP Laboratories of America, Inc.
Green Pharmaceuticals Inc
Guna spa
Heilen
Homeocare Laboratories
Homeolab International (Canada) inc
Hyland's Inc.
IDEAZ, LLC
Integrative Healing Institute, LLC
King Bio Inc.
Laboratoires Boiron
Laboratorium Ofichem BV
Liddell Laboratories
Liddell Laboratories, Inc.
Mediapower, Inc. DBA Dr Newton's And Naturals
MediNatura Inc.
Natural Creations, Inc
NaturalCare
Nenningers Naturals, LLC
Net Remedies
Newton Laboratories, Inc.
Nutritional Specialties, Inc.
OHM PHARMA INC.
Pain & Stress Center Products
Professional Complementary Health Formulas
Ratis, LLC
SEVENE USA
Silver Star Brands
Sombra Cosmetics Inc.
Source Naturals, Inc.
Talbot's Pharmaceuticals Family Products, LLC
Theraplex Solutions
TRP Company
True Botanica, LLC
VIREO SYSTEMS, INC.
Walgreens Company

Why It Matters

Sectors
Health
Downstream Uses

Appears in 161 drug and cosmetic product listings (FDA).

  • •Dr. Talbots Daily Allergy Relief
  • •Alo Therapeutic Massage
  • •Bakers Best Arthritis Pain Relief
  • •Grass Mix
  • •2nd Chance Mobility Pain Relief
  • •GUNA HAY Fever Relief
  • •Allergy Pollen
  • •Neuro II
FDA Shortage Status
No FDA shortage records

Chemical Identity

CAS56-92-8
PubChem CID5818
DTXSIDDTXSID1058767
FormulaC5H11Cl2N3
Mol. Weight184.06 g/mol
SMILESC1=C(NC=N1)CCN.Cl.Cl

Data Sources

Brief citations

histamine dihydrochloride (CAS 56-92-8) https://chemicalindependence.com/chemical/56-92-8/ PubChem: 5818. Retrieved 2026-04-07. https://pubchem.ncbi.nlm.nih.gov/compound/5818 EPA TSCA Inventory: CAS 56-92-8. 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 293329 for CAS 56-92-8. Reporting year: 2024. https://usatrade.census.gov/