Premium Industrial-Grade A-PVP Big Crystals: The Ultimate Solution for Research Laboratories

 

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PRODUCT PAGE DESCRIPTION (920+ Words)

Introduction

A-PVP Big Crystals (alpha-Pyrrolidinovalerophenone) represents a premium-grade pyrrolidinophenone compound distinguished by its exceptional crystalline morphology and structural integrity. As one of the most extensively studied synthetic cathinones, A-PVP has emerged as a critical reference standard in forensic toxicology, neuropharmacological research, and novel psychoactive substance (NPS) monitoring programs. The large crystalline format offered by Biosynlab provides researchers with superior handling characteristics, enhanced stability, and reduced surface area-to-volume ratio compared to powdered forms, supporting cutting-edge research across USA (DEA-licensed institutions), United Kingdom, European Union, and international scientific markets.

The characteristic large crystal formation of Biosynlab A-PVP results from controlled recrystallization protocols that optimize crystal lattice development and minimize defects. This crystalline morphology not only facilitates precise weighing and handling in laboratory settings but also provides distinct analytical signatures for X-ray diffraction (XRD) studies and crystallographic research. The extended alkyl chain (valerophenone) distinguishes A-PVP from shorter-chain analogs, creating potent dopamine and norepinephrine transporter inhibition that has made it invaluable for comparative studies with α-PHP, α-PIVP, MDPV, and other synthetic cathinones. Forensic laboratories in London, Berlin, Amsterdam, New York, and Los Angeles rely on Biosynlab A-PVP for quantitative analysis, criminalistics applications, and monitoring of the evolving synthetic stimulant landscape.

Chemical Properties & Structural Characterization

alpha-Pyrrolidinovalerophenone belongs to the pyrrolidinophenone chemical class, characterized by a valerophenone backbone with alpha-pyrrolidine substitution, creating a potent stimulant pharmacophore with distinct structure-activity relationships.

Key Structural Features:

• Core Scaffold: Valerophenone (1-phenylpentan-1-one) backbone
• Substitution: Alpha-pyrrolidine on carbon adjacent to carbonyl
• Functional Groups: Tertiary amine (pyrrolidine), ketone, phenyl ring
• Stereochemistry: Racemic mixture; chiral center at alpha-carbon
• Crystal System: Orthorhombic or monoclinic (depending on salt form)
• Physical State: Large crystalline shards or blocks (HCl salt)

Crystallographic Properties:

• Crystal Habit: Prismatic to acicular crystals
• Crystal Size: 5-20mm typical, larger formations available upon request
• Transparency: Translucent to transparent in pure form
• Fracture: Conchoidal to splintery
• Hardness: Moderate (Mohs ~2-3)
• XRPD Pattern: Distinctive powder diffraction pattern for identification

Analytical Characteristics:

• UV Absorption: 245-255 nm (aromatic ketone chromophore)
• Retention Time (HPLC): 9.2-10.1 minutes (C18 column, gradient method)
• Mass Spec m/z: 232.2 [M+H]+ (base peak), 214.2 [M+H-H₂O]+, 126.1 [pyrrolidine-phenyl]+, 84.1 [pyrrolidine]+
• NMR Signatures: Pyrrolidine protons (1.6-2.8 ppm), alpha-proton multiplet (3.4-3.8 ppm), phenyl protons (7.3-7.6 ppm), pentanone chain protons (2.4-2.8 ppm, 1.4-1.8 ppm)

Research Applications & Scientific Utility

Monoamine Transporter Pharmacology:
A-PVP serves as a critical tool compound for investigating dopamine (DAT) and norepinephrine (NET) transporter pharmacology. Research applications include:

• Dopamine transporter binding affinity determination (Ki ~10-20 nM)
• Norepinephrine transporter inhibition potency (IC₅₀ measurements)
• Structure-activity relationship studies in pyrrolidinophenones
• Comparison with MDPV, α-PHP, α-PIVP, and pyrovalerone
• Selectivity profiling (DAT vs. NET vs. SERT)
• Kinetic binding studies (association/dissociation rates)

Forensic Toxicology & Criminalistics:
Certified reference standard applications include:

• LC-MS/MS method development for biological matrices
• “Flakka” or “gravel” sample identification and confirmation
• Post-mortem toxicology case work (excited delirium cases)
• Driving under the influence (DUID) investigations
• Seized evidence analysis and profiling
• Designer stimulant monitoring programs
• Crystal morphology analysis for sourcing

Crystallographic & Materials Research:

• X-ray diffraction (XRD) structure determination
• Crystal habit and morphology studies
• Polymorph screening and characterization
• Solid-state stability investigations
• Crystal growth optimization studies
• Comparison with illicit sample crystallography

Neuropharmacological Research:

• Psychostimulant mechanism of action
• Dopaminergic neurotransmission modulation
• Structure-pharmacology relationships in NPS compounds
• Locomotor activity assays in rodent models
• Discriminative stimulus properties
• Reward pathway activation and addiction mechanisms

Analytical Method Development:

• GC-MS method optimization (pyrolysis product identification)
• LC-MS/MS validation for low-level detection
• Immunoassay cross-reactivity studies
• Chiral separation of enantiomers
• Stability studies in various matrices