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

Alcohol (Functional Group) Chemical Structure

October 24, 2025 by Harsh Singh Rajput

Alcohol functional group (hydroxyl), generic 2D structure R–OH with hydrogen bonding concept

1. Identification Summary Alcohol (functional group) denotes an sp³ carbon bearing a hydroxyl (–OH) substituent: general formula R–OH. … Read more

Mechanism of Action of Antifungal Drugs

November 15, 2025October 24, 2025 by Harsh Singh Rajput

MOA of Antifungal Drugs

Introduction Antifungal drugs are pharmacological agents that target fungal infections (mycoses) of the skin, mucosa, and internal organs. … Read more

Mechanism of Action of Antifungal Drugs

October 17, 2025 by Harsh Singh Rajput

Pharmacology and clinical mechanisms of Antifungal Drugs

Introduction Antifungal drugs are pharmacological agents used to treat fungal infections (mycoses) affecting the skin, mucous membranes, or … Read more

Ketone Chemical Structure

October 17, 2025 by Harsh Singh Rajput

Ketone functional group, 2D skeletal formula R–C(=O)–R′ (no hydrogens on carbonyl carbon), carbonyl compound

1. Identification Summary Ketone is a carbonyl functional group in which the carbonyl carbon is bonded to two … Read more

Mechanism of Action of Antidepressant Drugs

November 15, 2025October 17, 2025 by Harsh Singh Rajput

MOA of Antidepressant Drugs

Introduction Antidepressant drugs are psychotropic agents used to treat major depressive disorder, anxiety, OCD, PTSD, and chronic pain … Read more

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