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Mirtazapine

Drug ingredient

CAS 85650-52-8

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

Molecular structure of 85650-52-8
US productionNot reported
Import value, 2024$7.6B
Top sourceIreland 61%

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 293359 · basket

These shares come from HS customs code 293359, which covers 295 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.

Source Countries
IE 61%IrelandCH 30%SwitzerlandGB 2%United KingdomCN 2%ChinaIN 1%India
42 FDA-registered drug labelers
A-S Medication Solutions
Advanced Rx Pharmacy of Tennessee, LLC
American Health Packaging
Aphena Pharma Solutions - Tennessee, LLC
Apotex Corp.
Aspen Oss B.V.
ATLANTIC BIOLOGICALS CORP.
Aurobindo Pharma Limited
Aurolife Pharma LLC
AvKARE
Bryant Ranch Prepack
Cardinal Health 107, LLC
Coupler LLC
Darmerica, LLC
Direct_Rx
Golden State Medical Supply, Inc.
HETERO DRUGS LIMITED
Maithri Drugs Private Limited
Major Pharmaceuticals
Matrix Pharmacorp Private Limited
McKesson Corporation dba SKY Packaging
Medichem S.A.
MEDISCA Inc.
Megafine Pharma (P) limited
Mylan Institutional Inc.
Mylan Pharmaceuticals Inc.
NCS HealthCare of KY, Inc dba Vangard Labs
NCS HealthCare of KY, LLC dba Vangard Labs
Neuland Laboratories Limited
NorthStar Rx LLC
NuCare Pharmaceuticals,Inc.
Organon LLC
ORGANON PHARMA (UK) LIMITED
Prasco Laboratories
Preferred Pharmaceuticals Inc.
Proficient Rx LP
REMEDYREPACK INC.
Rising Pharma Holdings, Inc.
Safecor Health LLC
SQUARE PHARMACEUTICALS LIMITED
Sun Pharmaceutical Industries, Inc.
Viona Pharmaceuticals Inc.

Why It Matters

Sectors
Health
Downstream Uses

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

  • •Mirtazapine
  • •Remeron
  • •Remeronsoltab
FDA Shortage Status
No FDA shortage records

Vendor Pricing

$11.12/gA2B Chem LLC
CountryUnited States
Pack$278.00 / 25 g
Purity98%
Vendors21 available

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

20 more vendors
VendorCountry$/gPackPurity
AA BLOCKSUnited States$11.6825 g98%
Aaron Chemicals LLCHong Kong$14.68100 g98%
Angene ChemicalChina → Hong Kong$15.68100 g98%
AK Scientific, Inc.United States$406.001 g98%
AstaTech (2 weeks)United States$472.001 g95%
MedKoo Biosciences, IncUnited States$790.005 g98%
MolnovaChina$852.00500 mg99%
TargetMol ChemicalsChina → United States$1315.00200 mg99.98%
MedChemExpress MCESweden$1422.96500 mg99.94%
AK Scientific SpecializedUnited States$1940.00100 mg98%
Apexbio Technology LLCUnited States$2100.0050 mg99.89%
Angene International LimitedUnited States$3330.00100 mg98%
CliniSciences GmbHSwitzerland$3457.2025 mg99%
AngeneChina → Hong Kong$4266.6730 mg98%
Axon MedchemNetherlands$4680.0050 mg99%
Sigma-Aldrich (Rush Stock)Germany$7663.77350 mg—
Sigma-AldrichGermany$7663.77350 mg—
Key Organics Ltd.United Kingdom$11700.0010 mg97%
Vitas M Chemical LimitedHong Kong$14000.005 mg90%
Princeton BioMolecular Research (SC)United States$18000.005 mg90%

Chemical Identity

CAS85650-52-8
PubChem CID4205
DTXSIDDTXSID0023325
FormulaC17H19N3
Mol. Weight265.35 g/mol
SMILESCN1CCN2C(C1)C3=CC=CC=C3CC4=C2N=CC=C4

Data Sources

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Brief citations

Mirtazapine (CAS 85650-52-8) https://chemicalindependence.com/chemical/85650-52-8/ PubChem: 4205. Retrieved 2026-04-07. https://pubchem.ncbi.nlm.nih.gov/compound/4205 FDA National Drug Code directory: CAS 85650-52-8. 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 293359 for CAS 85650-52-8. Reporting year: 2024. https://usatrade.census.gov/