About KARPSCHEM
An independent, research-driven chemical enterprise specialized in the complex custom synthesis of pharmacopeial and non-pharmacopeial reference standards, nitrosamines (NDSRIs), drug glucuronides, and stable isotope-labelled markers.
Research-Driven Synthetic Solutions
KarpsChem is an independent, research-driven organization dedicated to overcoming synthesis bottlenecks for leading global pharmaceutical manufacturers, analytical CROs, and regulatory compliance laboratories.
As a research-centric entity, we have engineered proprietary synthetic routes for niche chemical markers required across multiple regulatory platforms. Our scientists possess deep bench experience in solving multi-step stereochemical challenges, stereoselective transformations, and micro-scale chromatographic purification.
Our Core Purpose
"We strive to provide cost-effective and time-bound research solutions in the areas of custom synthesis, formulation development and analytical development. Our focus is uncompromising product quality, absolute confidentiality, dependable project management, timely delivery and responsive customer service."
Every reference standard shipped by Karpschem is accompanied by an extensive, auditable Certificate of Analysis (COA) containing 1H/13C NMR, high-resolution mass spectrometry (HRMS), HPLC chromatographic purity, and residual solvent quantification.
Quality & Regulatory Pillars
Competence of testing & analytical characterization calibration systems.
Fully auditable documentation trails and rigorous cold-chain tracking.
Comprehensive bilateral Non-Disclosure Agreements (NDAs) protect client IP.
Direct consultation with PhD synthetic chemists for troubleshooting analytical runs.
Why Global Pharma Chooses Karpschem
Uncompromising product purity, state-of-the-art analytical instrumentation, and dependable delivery timelines.
PhD Scientific Staff
Synthetic organic chemists with decades of experience tackling non-commercial impurities, diastereomers, and complex multi-ring heterocyclic intermediates.
Full Raw Spectral Data
Every standard is provided with raw NMR, mass spec, and high-resolution HPLC chromatograms. Electronic raw files are readily provided upon request.
Global Cold-Chain Shipping
International express priority dispatch via DHL and FedEx with dry-ice/gel-pack temperature logging to ensure compound stability upon arrival.
Absolute Confidentiality
Strict intellectual property isolation protocols. All custom synthesis inquiries and formulations remain completely confidential.
Ready to Accelerate Your Analytical Testing?
Inquire about ready inventory reference standards or request a formal quotation for custom synthesis projects.