Harsh Singh Rajput

I am pursuing MBA in pharmaceutical management from NIPER Hyderabad with a strong academic record and proven success in national-level pharmacy entrance exams. I secured AIR 61 in NIPER 2024 (MS/M.Pharm) and AIR 27 in NIPER MBA, along with AIR 147 in GPAT 2024 and AIR 907 in GPAT 2023. I also achieved AIR 6 in AIIMS CRE-2025 for Drug Store Keeper and was selected as a Pharmacist (AIR 61) for ESIC. Additionally, I was the Runner-Up in Round 2 of the EY Case Study Competition. At PharmacyFreak.com, I aim to guide future pharmacists through expert content, exam strategies, and insightful resources based on real experience and academic excellence. Mail- harsh@pharmacyfreak.com

Beta Blocker (Class) Chemical Structure

October 17, 2025 by Harsh Singh Rajput

Beta blocker class generic scaffold (aryloxypropanolamine), 2D skeletal formula representation Title: Beta Blocker Chemical Structure — Class Overview, Aryloxypropanolamine Scaffold

1. Identification Summary Beta blockers (β-adrenergic receptor antagonists) are small-molecule agents that reduce heart rate, contractility, AV-node conduction, … Read more

Carboxylic Acid Chemical Structure

October 17, 2025 by Harsh Singh Rajput

Carboxylic acid functional group, 2D skeletal formula R–C(=O)OH, carboxyl group

1. Identification Summary Carboxylic acid denotes the carboxyl (–C(=O)OH) functional group; general formula R–COOH. Core features: acidic proton on the hydroxyl, resonance-stabilized carboxylate conjugate … Read more

Pantoprazole Chemical Structure

October 17, 2025 by Harsh Singh Rajput

Pantoprazole chemical structure (proton-pump inhibitor), 2D skeletal formula, C16H15F2N3O4S

1. Identification Summary Pantoprazole is a substituted benzimidazole proton-pump inhibitor (PPI) used for short-term treatment and maintenance of … Read more

Ceftriaxone Chemical Structure

October 17, 2025 by Harsh Singh Rajput

Ceftriaxone chemical structure, 2D skeletal formula, C18H18N8O7S3

1. Identification Summary Ceftriaxone is a parenteral third-generation cephalosporin for susceptible systemic infections, including meningitis and gonorrhea; long … Read more

Morphine Chemical Structure

October 17, 2025 by Harsh Singh Rajput

: Morphine chemical structure (morphinan opioid), 2D skeletal formula, C17H19NO3

1. Identification Summary Morphine is a natural phenanthrene (morphinan) opioid indicated for moderate–severe pain when alternative treatments are … Read more

Rifampicin Chemical Structure

October 17, 2025 by Harsh Singh Rajput

Rifampicin chemical structure (ansamycin rifamycin), 2D skeletal formula, C43H58N4O12

1. Identification Summary Rifampicin (USAN: rifampin) is an ansamycin antibiotic that inhibits bacterial DNA-dependent RNA polymerase; first-line for … Read more

Codeine Chemical Structure

October 17, 2025October 17, 2025 by Harsh Singh Rajput

1. Identification Summary Codeine is a naturally occurring phenanthrene (morphinan) opioid used as an analgesic and antitussive; a … Read more

Mechanism of Action of Anticonvulsant Drugs

October 16, 2025 by Harsh Singh Rajput

MOA of Anticonvulsant Drugs

Introduction Anticonvulsant drugs, also called antiepileptic drugs (AEDs), are agents that suppress abnormal electrical discharges in the brain … Read more

Mechanism of Action of Anticoagulant Drugs

October 16, 2025 by Harsh Singh Rajput

MOA of Anticoagulant Drugs

Introduction Anticoagulants are blood-thinning agents that prevent the formation and extension of blood clots (thrombi) in the vascular … Read more

Fluoxetine Chemical Structure

October 16, 2025 by Harsh Singh Rajput

Fluoxetine chemical structure (SSRI), 2D skeletal formula, C17H18F3NO

1. Identification Summary Fluoxetine is a selective serotonin reuptake inhibitor (SSRI) indicated for major depressive disorder, obsessive–compulsive disorder, … Read more