Marbofloxacin

Drug ingredient

CAS 115550-35-1

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

Molecular structure of 115550-35-1
US productionNot reported
Import value, 2024$6.4B
Top sourceSingapore 36%

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 293499 · basket

These shares come from HS customs code 293499, which covers 575 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.

Source Countries
SG 36%SingaporeIE 23%IrelandCN 11%ChinaCH 6%SwitzerlandIN 5%India
2 FDA-registered drug labelers
NGL FINE-CHEM LIMITED
Willow Birch Pharma, LLC.

Why It Matters

Sectors
Health
Downstream UsesNot recorded
FDA Shortage Status
No FDA shortage records

Vendor Pricing

$6.48/gAaron Chemicals LLC
CountryHong Kong
Pack$648.00 / 100 g
Purity98%
Vendors23 available

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

Chemical Identity

CAS115550-35-1
PubChem CID60651
DTXSIDDTXSID4046600
FormulaC17H19FN4O4
Mol. Weight362.4 g/mol
SMILESCN1CCN(CC1)C2=C(C=C3C4=C2OCN(N4C=C(C3=O)C(=O)O)C)F

Data Sources

Brief citations

Marbofloxacin (CAS 115550-35-1) https://chemicalindependence.com/chemical/115550-35-1/ PubChem: 60651. Retrieved 2026-04-07. https://pubchem.ncbi.nlm.nih.gov/compound/60651 FDA National Drug Code directory: CAS 115550-35-1. 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 293499 for CAS 115550-35-1. Reporting year: 2024. https://usatrade.census.gov/