histamine

Drug ingredient

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

Molecular structure of 51-45-6

Where It Comes From

5 FDA-registered drug labelers
Energetix Corporation
Homeocare Laboratories
Jubilant HollisterStier LLC
Meditrend, Inc. DBA Progena Professional Formulations
Professional Complementary Health Formulas

Why It Matters

Sectors
Health
Downstream Uses

Appears in 5 drug and cosmetic product listings (FDA).

  • Allergena Pet Dander
  • Allergy Nosode 4017
  • Breathe-Ease
  • Isopathic Phenolic Rings
  • Positive Skin Test Control - Histamine
FDA Shortage Status
No FDA shortage records

Vendor Pricing

$11.18/gAngene Chemical
CountryChina (registered: Hong Kong)
Pack$1118.00 / 100 g
Purity98%
Vendors17 available

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

16 more vendors
VendorCountry$/gPackPurity
A2B Chem LLCUnited States$11.8825 g97%
Aaron Chemicals LLCHong Kong$11.90100 g97%
Combi-Blocks, Inc.United States$13.80100 g97%
AA BLOCKSUnited States$13.9225 g97%
Ambeed, Inc.United States$17.6025 g97%
Fluorochem EUGermany$26.0110 g96%
Angene International LimitedUnited States$30.2010 g97%
Fluorochem UKUnited Kingdom$30.325 g96%
AstaTech, IncUnited States$48.605 g95%
TargetMol ChemicalsChina United States$68.001 g99.99%
Sigma-Aldrich (Rush Stock)Germany$68.0425 g97%
Sigma-AldrichGermany$68.0425 g97%
TargetMol Chemicals EUAustria$112.00500 mg99.99%
TargetMol Chemicals USUnited States$255.00200 mg99.99%
AngeneChina Hong Kong$4266.6730 mg97%
InterbioscreenHong Kong$4864.50100 mg95%

Chemical Identity

CAS51-45-6
PubChem CID774
DTXSIDDTXSID4023125
FormulaC5H9N3
Mol. Weight111.15 g/mol
SMILESC1=C(NC=N1)CCN

Data Sources

7742026-04-07

https://pubchem.ncbi.nlm.nih.gov/rest/pug/compound/name/histamine/cids/JSON

Archive: data/sources/pubchem_name/histamine.json

CAS 51-45-62026-04-24

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