Norepinephrine

Drug ingredient

CAS 51-41-2

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

Molecular structure of 51-41-2
US productionNot reported
Import value, 2024$174M
Top sourceItaly 69%

This chemical is not on EPA’s Toxic Substances Control Act inventory, the list behind EPA’s production survey.

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 293790 · basket

These shares come from HS customs code 293790, which covers 10 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.

Source Countries
IT 69%ItalyCN 22%ChinaDE 3%GermanyIN 2%IndiaJP 2%Japan
3 FDA-registered drug labelers
BioActive Nutritional, Inc.
Guangzhou Renuma Medical Systems Co., Ltd
Professional Complementary Health Formulas

Why It Matters

Sectors
Health
Downstream Uses

Appears in 3 drug and cosmetic product listings (FDA).

  • •Neuro-Pro T007
  • •Norepinephrine
  • •Norepinephrine 1530
FDA Shortage Status
No FDA shortage records

Chemical Identity

CAS51-41-2
PubChem CID439260
DTXSIDDTXSID5023378
FormulaC8H11NO3
Mol. Weight169.18 g/mol
SMILESC1=CC(=C(C=C1C(CN)O)O)O

Data Sources

Brief citations

Norepinephrine (CAS 51-41-2) https://chemicalindependence.com/chemical/51-41-2/ PubChem: 439260. Retrieved 2026-04-07. https://pubchem.ncbi.nlm.nih.gov/compound/439260 FDA National Drug Code directory: CAS 51-41-2. 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/ US Census international trade: HS 293790 for CAS 51-41-2. Reporting year: 2024. https://usatrade.census.gov/