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From in-stock catalog standards to complex custom synthesis — full analytical characterization included with every product.

Catalog Pharmaceutical Impurities

A growing library of pharmaceutical impurity reference standards across major drug classes — ready to ship with complete analytical documentation.

Each catalog compound is fully characterized in-house. When you order from our catalog, you receive more than a chemical — you receive a validated reference standard designed for regulatory use.

Losartan Potassium Impurities
Fluoxetine Impurities
Atomoxetine Impurities
Omeprazole Impurities
Ibuprofen Impurities
Diclofenac Impurities
Adapalene Impurities
Cetirizine Impurities
Valsartan Impurities
Mefenamic Acid Impurities
Valproic Acid Impurities
Lidocaine Impurities
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Included with Every Catalog Order

Certificate of Analysis (CoA)
Batch number, expiry, storage conditions
HPLC Purity Data
Chromatogram + purity percentage
1H-NMR Spectra
Structural confirmation in deuterated solvent
Mass Spectrometry
HRMS or MS with molecular ion confirmation
Structural Information
IUPAC name, CAS number, molecular formula

Custom Pharmaceutical Impurity Synthesis

Can't find the compound you need in our catalog? Our experienced synthetic chemistry team synthesizes pharmaceutical impurities to your exact specifications.

What We Can Synthesize

Process Impurities
Degradation Products
Metabolites
Genotoxic Impurities (Nitrosamines)
Structural Analogs
Chiral Isomers
Labeled Compounds
Unknown Impurities
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Our Custom Synthesis Process

1

Submit Request

Provide the compound structure, CAS number, or description of what you need.

2

Feasibility Review

Our chemistry team evaluates the synthesis route and provides a timeline + quote within 48 hours.

3

Synthesis Begins

Upon agreement, we initiate synthesis using established or novel routes.

4

Full Characterization

Every custom compound undergoes the same rigorous analytical validation as our catalog products.

5

Delivery

Product ships with complete analytical data package and CoA.

Comprehensive Analytical Data Packages

Every product we supply ships with a complete analytical data package designed to meet FDA, EMA, and ICH regulatory requirements.

Certificate of Analysis

Batch-specific CoA with purity, storage conditions, expiry date, and method references.

HPLC Chromatogram

UV-detected HPLC purity report with retention time and peak area data.

NMR Spectra

1H-NMR and 13C-NMR spectra in appropriate deuterated solvent for structural confirmation.

Mass Spectrometry

High-resolution MS (HRMS) or standard MS for molecular ion and fragmentation confirmation.

ICH-Compliant Regulatory Support Impurities

Our impurities are synthesized to support regulatory submissions under internationally recognized guidelines.

ICH Q3A

Impurities in New Drug Substances — threshold-based impurity profiling for APIs.

ICH Q3B

Impurities in New Drug Products — degradation products in finished dosage forms.

ICH Q3C

Residual Solvents — classification and limits for ICH Q3C solvent impurities.

Start Your Project Today

Request a catalog quote or discuss a custom synthesis requirement with our team.

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