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Tinidazole

Drug ingredient

CAS 19387-91-8

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

Molecular structure of 19387-91-8
US productionNot reported
Import value, 2024$114M
Top sourceChina 26%

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 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
8 FDA-registered drug labelers
BioComp Pharma, Inc.
Chartwell RX, LLC
Edenbridge Pharmaceuticals LLC.
Lupin Pharmaceuticals,Inc.
Medisca Inc.
Mission Pharmacal Company
Rising Pharma Holdings, Inc.
Zhejiang Supor Pharmaceuticals Co., Ltd

Why It Matters

Sectors
Health
Downstream Uses

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

  • •Tinidazole
  • •Tindazole
  • •Tindamax
FDA Shortage Status
No FDA shortage records

Vendor Pricing

$0.06/gAaron Chemicals LLC
CountryHong Kong
Pack$31.00 / 500 g
Purity99%
Vendors32 available

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

31 more vendors
VendorCountry$/gPackPurity
Angene ChemicalChina → Hong Kong$0.07500 g99%
A2B Chem LLCUnited States$0.111 kg97%
AA BLOCKSUnited States$0.121 kg97%
BLD Pharmatech GmbHGermany$0.141 kg97%
BLD Pharmatech Ltd.China$0.141 kg97%
Fluorochem EUGermany$0.15100 g98%
BLD Pharmatech Co., LimitedUnited States$0.151 kg97%
Ambeed, Inc.United States$0.151 kg97%
AK Scientific SpecializedUnited States$0.251 kg95%
Combi-Blocks, Inc.United States$0.251 kg97%
AK Scientific, Inc.United States$0.331 kg98%
Angene International LimitedUnited States$0.71500 g98%
Cayman EuropeEstonia$1.86100 g98%
AstaTech (2 weeks)United States$3.0825 g95%
Fulfilled by MolportLatvia$5.001 g99%
MedKoo Biosciences, IncUnited States$26.0025 g98%
MedChemExpress MCESweden$35.095 g99.71%
TargetMol ChemicalsChina → United States$56.001 g99.97%
InterbioscreenHong Kong$64.5010 g95%
MolnovaChina$81.001 g99%
Sigma-Aldrich (Rush Stock)Germany$516.82400 mg—
Sigma-AldrichGermany$516.82400 mg—
Apexbio Technology LLCUnited States$1000.0050 mg99.95%
EximedUkraine$2680.0050 mg90%
Otava, Ltd. (2 weeks)Ukraine$2724.0050 mg90%
AngeneChina → Hong Kong$4266.6730 mg99%
Key Organics Ltd.United Kingdom$6900.0010 mg97%
ChemDiv, Inc.United States$7666.6715 mg90%
Vitas M Chemical LimitedHong Kong$9000.0010 mg90%
Princeton BioMolecular Research (SC)United States$10500.0010 mg90%
TimTec, LLCUnited States$14666.6730 mg90%

Chemical Identity

CAS19387-91-8
PubChem CID5479
DTXSIDDTXSID4023676
FormulaC8H13N3O4S
Mol. Weight247.27 g/mol
SMILESCCS(=O)(=O)CCN1C(=NC=C1[N+](=O)[O-])C

Data Sources

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Brief citations

Tinidazole (CAS 19387-91-8) https://chemicalindependence.com/chemical/19387-91-8/ PubChem: 5479. Retrieved 2026-04-07. https://pubchem.ncbi.nlm.nih.gov/compound/5479 FDA National Drug Code directory: CAS 19387-91-8. 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 293329 for CAS 19387-91-8. Reporting year: 2024. https://usatrade.census.gov/