info@rsquarebiolabs.com +91 8125224807 / +91 6300087350 RSQUARE BIO LABS PRIVATE LIMITED - KSG projects, Plot No 60, Phase III IDA Cherlapally, Hyderabad - 500051 Careers FAQs Regulatory Support
cGMP & NABL Certified

Pharmaceutical Testing Services

Comprehensive chemical, physical, and analytical testing for Active Pharmaceutical Ingredients (APIs), excipients, and finished dosage forms conforming to IP, USP, BP, and EP monographs.

Raw Material Testing

Monograph testing of APIs and excipients, identity confirmation, assay, purity, and organic/inorganic impurity testing.

Finished Product Testing

Batch release testing for tablets, capsules, injectables, ointments, and syrups ensuring quality and potency.

Stability Studies (ICH)

Real-time, accelerated, and intermediate stability testing under controlled ICH temperature and humidity chambers.

Method Development

Custom HPLC, UHPLC, and GC analytical method development for novel drug molecules and complex matrix formulations.

Method Validation

Analytical method validation per ICH Q2(R1) guidelines covering accuracy, precision, specificity, LOD/LOQ, and robustness.

Dissolution Testing

In-vitro dissolution profiling (USP Apparatus 1, 2, 3, 4) for immediate and modified-release solid dosage forms.

Impurity Profiling

Identification, isolation, and quantitation of process-related and degradation impurities using LC-MS/MS.

Cleaning Validation

Swab and rinse sampling analysis, residual detergent quantitation, and MACO (Maximum Allowable Carryover) calculations.

Residual Solvent Analysis

Quantitation of Class 1, 2, and 3 residual solvents using Headspace Gas Chromatography (HS-GC-FID/MS) per ICH Q3C.

Nitrosamine Analysis

Ultra-sensitive NDMA, NDEA, and NDIPA impurity quantitation via High-Resolution Triple Quad LC-MS/MS.

Elemental Impurity Testing

Trace elemental impurities (As, Cd, Pb, Hg, etc.) screening per USP <232>/<233> and ICH Q3D using ICP-MS / ICP-OES.

Forced Degradation Studies

Stress testing under acid, base, peroxide, thermal, and photolytic conditions per ICH Q1A(R2) for stability-indicating assays.

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