Strategic Partnership
Kaaris & WITEGA - Excellence in Analytical Standards
Kaaris distributing witega for high quality reference materials of veterinary and pesticide products, their metabolites and the corresponding stable isotope-labeled derivatives
Reaching Every Corner of the World
Browse Our Categories
Explore our comprehensive range of specialty chemicals
API Standards
Active Pharmaceutical Ingredients
Impurity Standards
Reference impurity compounds
Stable Isotopes
Labeled isotope standards
Nitrosamines
Nitrosamine impurity standards
Pesticide Standards
Agricultural reference standards
Glucuronides
Metabolite reference standards
Peptide Standards
Peptide reference compounds
Carbohydrates
Sugar & carbohydrate standards
27 new products added to our catalog
Seladelpar L-lysine Dihydrate
Seladelpar S-Isomer
Seladelpar sulfoxide
Seladelpar Sulfone
O-Desethyl Seladelpar
Seladelpar methyl impurity
Seladelpar (R)-O- desethyl ethyl ester
Seladelpar (S)-O- desethyl ethyl ester
Desethyl Seladelpar sulfone
Seladelpar Impurity 8
Seladelpar dimer acid impurity
Seladelpar Ethyl Ester Impurity
Carfilzomib Impurity H
Carfilzomib Impurity J
D-Glucose-13C6
Ammonium chloride-15N
4-Chlorobenzaldehyde D4
Valaciclovir Hydrochloride
Trifluorothymidine
1-(3-(methylthio)phenyl)ethan-1-one
1-(2-(methylthio)phenyl)ethan-1-one
D-Ser4 Cetrorelix TFA Salt
D-Orn6 Cetrorelix TFA Salt
Ser4 (Ac) Cetrorelix TFA Salt
Itraconazole D5
Emtricitabine 15N D2
Trifluridine 15N2
About Kaaris Labs
We Employ The Latest Technology & Innovation
Kaaris Research Labs is an ISO 9001:2015–certified pharmaceutical research organization specializing in isotope-labelled APIs, complex API impurities, nitrosamine NDSRIs, peptide standards, and isotope-labelled pesticide reference standards — each backed by full analytical characterization for accuracy and reproducibility.
We support drug discovery programs end-to-end: custom synthesis of key starting materials, specialized reagents, and oligonucleotide reagents, paired with regulatory-grade documentation — helping partners move faster and with confidence in highly regulated environments.
Reliable And High-Quality Kaaris Labs Services
Leading innovation in pharmaceutical raw materials and chemical research
Global Standards
Meeting international quality standards for pharmaceutical raw materials worldwide.
Quality Control
Rigorous documentation and control systems ensuring compliance and traceability.
Laboratory Testing
Advanced analytical testing and validation for all chemical compounds and APIs.
Purity Analysis
Precision identification and qualification of synthesized pharmaceutical compounds.