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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

Amine Chemical Structure

October 25, 2025 by Harsh Singh Rajput
Amine functional group, primary/secondary/tertiary amines (R–NH2, R2NH, R3N) and quaternary ammonium (R4N+), 2D skeletal formulas

1. Identification Summary Amine denotes the amino functional group in which nitrogen bears one to three carbon substituents: … Read more

Testosterone Chemical Structure

October 25, 2025 by Harsh Singh Rajput
Testosterone chemical structure (androgen steroid), 2D skeletal formula, C19H28O2, CAS 58-22-0

1. Identification Summary Testosterone is an endogenous androgen used therapeutically for male hypogonadism (primary or hypogonadotropic) and certain … Read more

Fructose Chemical Structure

October 25, 2025 by Harsh Singh Rajput

1. Identification Summary Fructose is a ketohexose monosaccharide (C₆H₁₂O₆). It exists predominantly as furanose/pyranose hemiketals in solution and … Read more

Pyridine Chemical Structure

October 25, 2025 by Harsh Singh Rajput
Pyridine chemical structure, six-membered nitrogen heteroaromatic ring, 2D skeletal formula, C5H5N

1. Identification Summary Pyridine is a six-membered nitrogen heteroaromatic (C₅H₅N) isoelectronic with benzene, with a ring sp²-N that … Read more

NSAID (Class) Chemical Structure

October 25, 2025 by Harsh Singh Rajput
NSAID class generic chemical scaffolds (arylpropionic and diarylheterocycle/coxib), 2D skeletal formulas

1. Identification Summary Nonsteroidal anti-inflammatory drugs (NSAIDs) inhibit cyclo-oxygenase (COX-1/COX-2) to reduce prostaglandin and thromboxane synthesis, producing analgesic, … Read more

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

October 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

October 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

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