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Desloratadine

Drug ingredient

CAS 100643-71-8

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

Molecular structure of 100643-71-8
US productionNot reported
Import value, 2024$1.3B
Top sourceChina 32%

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 293339 · basket

These shares come from HS customs code 293339, which covers 397 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.

Source Countries
CN 32%ChinaIN 15%IndiaDE 10%GermanyBE 9%BelgiumCH 8%Switzerland
16 FDA-registered drug labelers
A-S Medication Solutions
Alivus Life Sciences Limited
Bionpharma Inc.
Bryant Ranch Prepack
Cadila Pharmaceuticals Limited
Divi's Laboratories Limited
Dr. Reddy's Laboratories Limited
INA Pharmaceutics, Inc.
Lupin Pharmaceuticals, Inc.
Matrix Pharmacorp Private Limited
Morepen Laboratories Limited
MSD International GmbH (Singapore Branch)
Organon Heist
Organon LLC
SUN PHARMACEUTICAL INDUSTRIES, INC.
Virtus Pharmaceuticals, LLC

Why It Matters

Sectors
Health
Downstream Uses

Appears in 4 drug and cosmetic product listings (FDA).

  • •Clarinex-D 12 HOUR
  • •Desloratadine
  • •Clarinex
  • •Desloratadine Oral Solution
FDA Shortage Status
No FDA shortage records

Vendor Pricing

$0.90/gAaron Chemicals LLC
CountryHong Kong
Pack$900.00 / 1 kg
Purity98%
Vendors36 available

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

35 more vendors
VendorCountry$/gPackPurity
Angene ChemicalChina → Hong Kong$0.99500 g98%
A2B Chem LLCUnited States$1.33100 g98%
AA BLOCKSUnited States$1.47100 g98%
Combi-Blocks, Inc.United States$1.60100 g98%
Biopharma PEG Scientific Inc.United States$1.71100 g95%
BLD Pharmatech Ltd.China$1.80500 g98%
Ambeed, Inc.United States$1.80500 g98%
BLD Pharmatech Co., LimitedUnited States$1.86100 g98%
BLD Pharmatech GmbHGermany$2.8025 g98%
Fluorochem UKUnited Kingdom$4.005 g98%
Angene International LimitedUnited States$4.5010 g98%
AstaTech, IncUnited States$5.2025 g95%
AK Scientific SpecializedUnited States$5.2025 g95%
AK Scientific, Inc.United States$7.1625 g98%
MedKoo Biosciences, IncUnited States$45.0010 g98%
MedChemExpress MCESweden$56.2710 g99.98%
InterbioscreenHong Kong$75.0010 g95%
TargetMol ChemicalsChina → United States$123.001 g99.99%
EximedUkraine$160.001 g95%
TargetMol Chemicals USUnited States$162.00500 mg99.99%
Sigma-Aldrich (Rush Stock)Germany$225.051 g—
Sigma-AldrichGermany$225.051 g—
Otava, Ltd.Ukraine$300.001 g95%
MolnovaChina$345.001 g99%
TargetMol Chemicals EUAustria$400.00100 mg99.99%
Apexbio Technology LLCUnited States$770.00500 mg99.96%
Cayman EuropeEstonia$899.641 g98%
Axon MedchemNetherlands$1440.0050 mg100%
Otava, Ltd. (2 weeks)Ukraine$2724.0050 mg90%
Princeton BioMolecular Research (SC)United States$2900.00100 mg90%
Vitas M Chemical LimitedHong Kong$3170.00100 mg90%
AngeneChina → Hong Kong$4266.6730 mg98%
Key Organics Ltd.United Kingdom$6900.0010 mg97%
ChemDiv, Inc.United States$7666.6715 mg90%
TimTec, LLC (back-ordered)United States$32000.0015 mg94%

Chemical Identity

CAS100643-71-8
PubChem CID124087
DTXSIDDTXSID1044196
FormulaC19H19ClN2
Mol. Weight310.8 g/mol
SMILESC1CC2=C(C=CC(=C2)Cl)C(=C3CCNCC3)C4=C1C=CC=N4

Data Sources

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Brief citations

Desloratadine (CAS 100643-71-8) https://chemicalindependence.com/chemical/100643-71-8/ PubChem: 124087. Retrieved 2026-04-07. https://pubchem.ncbi.nlm.nih.gov/compound/124087 FDA National Drug Code directory: CAS 100643-71-8. 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 293339 for CAS 100643-71-8. Reporting year: 2024. https://usatrade.census.gov/