Pharmaceutical development relies on a variety of analytical pharmaceutical techniques, processes, methods and instruments at various stages. Southwest Research Institute (SwRI) is a trusted source for analytical pharmaceutical services and support for all stages of drug discovery, development and manufacturing. SwRI offers contract research organization (CRO) services spanning fully integrated development to a la carte chemistry analytics using our FDA-inspected and ISO 9001:2015 certified laboratories and instruments.
To inquire about analytical pharmaceutical services and instrument analysis, please contact Sandra Drabik or call +1 210 522 6419.
Contract Research Organization (CRO) Services
Our chemical analysis instruments and laboratories support a variety of contract manufacturing services for commercial and government clients.
- Analytical & Regulated Projects
- Biochemistry & Bioengineering
- Chemical Analysis Services
- CMC Chemistry Manufacturing & Control Services
- Microencapsulation
- Non-Targeted Analysis
- Pharmaceutical Development
- Stability Testing & Studies
Analytical Methods & Project Types
We can help your pharmaceutical R&D project using a variety of methods and projects.
Assays |
Method Development |
Raw Material Testing |
Temperature Cycling Studies |
Determine Purity |
Method Validation |
Product Release and Ongoing Stability |
Dissolution (USP types I, II adnd IV) |
Payload |
Quantile Residual Solvents |
Forced Degradation |
Reference Standard Characterization |
Release (Immediate and Extended) |
Extractable and Leachable |
Impurity Isolation |
Controlled Substances (II-V) |
Analytical Pharmaceutical Instrumentation
SwRI instruments are available for fully integrated projects or small-batch testing and research.

SwRI’s Bruker 400 MHz nuclear magnetic resonance (NMR) lab.
- Nuclear magnetic resonance (NMR)
- Powder X-ray diffraction and scanning electron microscope (SEM)
- High-performance Liquid Chromatography (HPLC) systems with refractive index (RI), fluorescence and UV diode array detection
- Thermal gravimetric analysis (TGA)
- Differential scanning calorimetry (DSC)
- Particle size distribution analysis (laser light scattering)
- Karl Fischer, osmolarity and infrared spectroscopy (IR)
- Ultraviolet-visible spectroscopy (UV-VIS)
- Total organic carbon (TOC) analysis
- Ion chromatography (IC)
- Polarimeter for chiral confirmation
- Zeta Potential Analysis
- Dissolution testing for Dissolution I through V
- GC-MS and non-destructive imaging support
Additional instrument capabilities include:
UPLC-UV |
PAD and MS Detection |
Karl Fisher (Coulometric/Volumetric) |
IR |
HPLC with RI |
GC-direct Injection or Headspace Analysis |
Particle Size Analysis (Nano to Micron) |
TGA |
ELSD |
Triple Quadrapole MS |
Osmometer |
DSC |
UV |
QT of Accurate Mass Spectrometer |
eSEM imaging |
XRD |
Facilities & Laboratories

New Clinical Supply Facility
Southwest Research Institute breaks ground on new 21,000-square-foot Clinical Supply Facility.