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Periodic Table - Inorganic Chemistry
The periodic table is a tabular arrangement of chemical elements organized based on their atomic number, electron configuration, and recurring chemical properties. Elements are presented in order of increasing atomic number. States that the atomic weight of the middle element is the arithmetic mean of the other two elements in a triad of elements with similar properties.
Chemistry
OOS Investigation in Pharmaceuticals
In pharmaceutical quality control, an Out‑of‑Specification (OOS) result is defined as a test result that falls outside the established acceptance criteria as defined in the Standard Testing Procedure (STP), drug application, or pharmacopoeial monograph. OOS results indicate a potential quality issue that requires systematic investigation to determine if the result reflects the true quality of the batch or if it was caused by an error during testing.
Quality Control
Pharmaceutical Process Validation
Process Validation is a critical requirement in pharmaceutical and manufacturing industries that provides documented evidence with high degree of assurance that a specific process will consistently produce a product meeting its predetermined specifications and quality attributes.
Validation
Dose Adjustment in Renal Impairment
Renal impairment significantly alters the pharmacokinetic profile of many drugs, necessitating careful dose adjustment to maintain therapeutic efficacy while minimizing toxicity. Patients with compromised kidney function experience changes in drug absorption, distribution, metabolism, and elimination that must be accounted for in pharmacotherapy.
Bio-Pharmaceutics
Bill of Materials (BOM) Number in Pharmaceuticals
A BOM (Bill of Materials) number serves as a unique identifier for a specific set of materials associated with a Master Formula Record (MFR). This critical linkage ensures that every production batch follows the exact specifications documented in the MFR, which comprehensively outlines every ingredient, component, and process step required to manufacture a drug product.
Production
Pharmaceuticals Manufacturing Process (Tablet Compression)
A Quality by Design (QbD) approach to understanding tablet compression failures and preventing them through proper material, machine, and process control
Production
Pharmaceuticals Annual Product Quality Review (APQR)
In regulated industries like Pharmaceuticals, Biologics & Medical Devices, the Annual Product Quality Review (APQR) is a cornerstone of GMP compliance and continuous improvement. It represents a systematic, periodic review of product quality data to verify the consistency of the manufacturing process, assess trends, identify risks, and determine opportunities for improvement.
Quality Assurance
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Interview Q/A - Quality Control Department
Q1. What is an asymmetric carbon atom?
Answer:
An asymmetric carbon atom (chiral carbon) is a carbon atom that is attached to four different types of atoms or groups of atoms.
Job Preparation
70% IPA is the Ideal Disinfectant in Pharmaceuticals
In pharmaceutical cleanrooms, laboratories, and aseptic
manufacturing areas, disinfection is not ju...
Production
Why Are Three Batches Used for Process Validation?
Understanding the Scientific, Regulatory, and Practical
Foundations of the Three-Batch Standard in ...
Validation
Pharmaceutical Aseptic Area
Aseptic AreaA comprehensive guide to the design, operation, and
validation of controlled environmen...
Production
50 Essential Medicines & Their Uses
This comprehensive guide covers 50 of the most commonly prescribed and widely used medications across various therapeutic categories. Understanding these medicines, their primary uses, and therapeutic classes is essential for healthcare professionals, students, and anyone interested in pharmacology. Each medication is presented with its generic name, primary therapeutic applications, and drug class where applicable.
Drug Classification
Good Laboratory Practices (GLP)
Good Laboratory Practices (GLP)A Visual Guide to Ensuring Quality, Reliability, and
Integrity in La...
Quality Control
Pharmaceutical Site Master File (SMF)
What is SMF?Site Master File is Full information about the site.Site Master file is a document that ...
Quality Assurance
VALIDATION MASTER PLAN (VMP)
What is VMPBrief information about Qualification, Validation and calibration of Equipment, Instrumen...
Validation
Pharmaceutical QUALITY MANUAL (QM)
What is QM?The quality manual is a statement of the Company’s Quality Policy and Quality Objective...
Quality Assurance
Pharmaceutical Change Control
What is change controlA Process which ensures that changes to procedures, materials, methods, equipm...
Quality Assurance
Protocol for Clean Equipment Hold Time Study in Pharmaceuticals
PROTOCOL FOR CLEAN EQUIPMENT HOLD TIME STUDY (CEHT)Table of Contents1.0 PR...
Quality Assurance
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US FDA Requirements for Pharmaceuticals
(21 CFR 211.46) HVAC & Environmental Controls
Proper air handling with HEPA/appropriate filtration
Positive/negative air pressure controls based on product risk
AHU qualification & periodic monitoring
Separate air-handling for potent/toxic materials
Temperature & humidity monitoring with deviation controls
Guideline
Raw Material Test Method - Vitamin E Acetate 50 % Dry Powder
Appearance: Almost white, yellowish or light brown, crystalline powder.
Solubility: Practically insoluble or swells or forms a dispersion in water, depending on the formulation.
STP
Pharmaceutical Tablet Compression with Defects
Tablet compression is the critical final step in solid dosage form manufacturing where granules are transformed into tablets. Even with excellent granulation quality, tablets can fail due to improper compression parameters, machine settings, or material-handling issues. Understanding the integration of Critical Material Attributes (CMA), Critical Process Parameters (CPP), and Critical Quality Attributes (CQA) is essential for robust tablet manufacturing.
Production
Raw Material Test Method - Zinc Sulfate Monohydrate
Freely soluble in water:
Take about 0.1 g of test sample into a clean and dry test tube. Add 1 ml purified water and mix the content. The solution should be clear without any suspended particles.
Practically insoluble in Alcohol:
Take about 10 mg of the sample in 200 ml volumetric flask. To it add 100 ml of Alcohol and shake. The dispersion should not be clear (suspended particles will be observed).
STP
HPLC Method Development in Pharmaceuticals
Analytical method development is a critical process in pharmaceuticals. The variety of columns, operating parameters, mobile phase compositions, and pH values makes the development process complex. A good analytical method should be simple, utilizing common columns, mobile phases, and buffers.
R&D
Purified Water Test Procedure in Pharmaceuticals
i) Appearance: Clear, odorless and colorless liquid.
ii) pH: Transfer 100ml water to a suitable container; add 0.3ml of saturated potassium chloride solution and stirring water, then measure the pH using calibrated pH meter.
iii) Conductivity: Transfer 100ml water to suitable container and immerse electrode then stirring the water, measure the conductivity and Total Dissolved Substances (TDS) using calibrated conductivity meter.
Quality Control