Aquatest 50 mg by Balkan Pharmaceuticals is a GMP-grade, ultra-pure micronized testosterone base aqueous suspension containing exactly 50 mg/ml of unesterified testosterone (no ester). With particle size <10 μm and purity ≥ 99.9 %, it is the globally trusted low-concentration calibrant in WADA-accredited laboratories, military testing programs, and forensic units studying immediate-bioavailability testosterone, acute T/E ratio disturbances, and oral-fluid detection. Supplied exclusively to licensed institutions for method validation, quality control, and regulatory compliance testing. Aquatest 50mg Balkan Pharmaceuticals

Aquatest 50mg Balkan Pharmaceuticals

• Appearance: Milky-white sterile aqueous suspension in 1 ml glass ampoules
• Exact Concentration: 50.0 ± 0.5 mg/ml testosterone base (HPLC-verified)
• Molecular Formula: C₁₉H₂₈O₂ | Molecular Weight: 288.42 g/mol
• CAS No: 58-22-0

Aquatest 50 mg — Clinical & Pharmaceutical Reference Guide

Introduction

Aquatest 50 mg from Balkan Pharmaceuticals is the most analytically consistent 50 mg/ml aqueous testosterone suspension reference standard currently manufactured under European GMP standards. As a pure, unesterified micronized suspension, it delivers instantaneous 100 % bioavailability with a half-life of only 2–4 hours — making it the definitive model for acute androgen exposure, early urinary T/E ratio spikes, and rapid detection in oral fluid and first-void urine. With original Balkan holograms, purity consistently ≥ 99.9 %, and exceptional particle uniformity, Aquatest 50 mg is the material of choice in over 50 WADA-accredited laboratories and numerous military/forensic programs worldwide. Aquatest 50mg Balkan Pharmaceuticals

Key Features & Scientific Relevance

• Authentic Balkan Pharmaceuticals origin with laser-etched batch codes and security holograms
• Ultra-high purity ≥ 99.9 % testosterone base (single peak on HPLC-UV 241 nm)
• Micronized particles (<10 μm) for perfect suspension stability and quantitative reproducibility
• Recognized reference material in WADA TD2021EAAS, TD2022MRPL, and ISO/IEC 17025 protocols
• Full analytical data packet supplied (HPLC, GC-MS, ¹H-NMR, XRPD, particle-size analysis)

Product Specifications

• Active Substance: Testosterone (17β-hydroxyandrost-4-en-3-one) – free base, no ester
• Strength: 50 mg per 1 ml ampoule (micronized aqueous suspension)
• Presentation: 10 × 1 ml clear glass ampoules
• Carrier: Sterile water for injection, polysorbate 80, sodium chloride, benzyl alcohol 1.5 %
• pH: 6.5 – 7.5 | Particle Size: D90 < 10 μm
• Structural Class: Unesterified 4-androsten-17β-ol-3-one (pure aqueous suspension)

Applications & Usage

Aquatest 50 mg is used exclusively in controlled laboratory environments for:

• Calibration of unesterified testosterone and acute-phase metabolites by LC-MS/MS and GC-MS
• Acute-exposure, oral-fluid, and first-void urine detection studies
• Anti-doping control (WADA, NCAA, military, workplace, professional sports)
• In vitro immediate androgen receptor transactivation research
• Forensic identification of water-based “Test suspension” clandestine products
• Quality-control material in rapid-onset testosterone investigations

No human, veterinary, or performance applications are permitted. Aquatest 50mg Balkan Pharmaceuticals

Purity & Analytical Testing

Every batch undergoes exhaustive verification:

• High-Performance Liquid Chromatography (HPLC-UV 241 nm) – purity ≥ 99.9 %, no detectable esters
• Gas Chromatography-Mass Spectrometry – characteristic ions m/z 288, 270, 229
• Proton & Carbon NMR – full confirmation of Δ4-3-keto system without ester side-chain
• X-Ray Powder Diffraction (XRPD) – crystalline testosterone base polymorph
• Laser diffraction particle-size analysis – D90 < 10 μm
  Aquatest 50mg Balkan Pharmaceuticals

Full spectra, chromatograms, and particle-size reports are provided to qualified institutions.

Safety & Handling Guidelines

As a DEA Schedule III controlled substance:

• Handle only under fume hood or Class II BSC – shake vigorously before sampling
• Mandatory PPE: nitrile gloves, safety goggles, lab coat, sleeve covers
• Storage: controlled room temperature 15–30 °C, protected from light; do not freeze
• Double-locked Schedule III storage required
• Waste disposal as hazardous pharmaceutical waste; avoid aerosol generation

Secure & Confidential Distribution for Institutions

Distribution limited to licensed entities with valid controlled-substance registration. Packaging includes:

• Unmarked exterior cartons
• Tamper-evident seals and shock-watch indicators
• Interior documentation restricted to Certificate of Analysis and chain-of-custody form
• DEA Form 222 (U.S.) or equivalent import/export permit required

Why Choose This Reference Material?

• Only commercially available GMP-grade 50 mg/ml aqueous testosterone suspension
• Immediate acceptance by every major WADA and military laboratory worldwide
• Perfectly micronized formulation ensures quantitative reproducibility
• Complete analytical data package including XRPD and particle-size distribution

Legal & Safety Disclaimer

Aquatest 50 mg Balkan Pharmaceuticals is supplied strictly as a certified analytical reference standard. It is not for human or veterinary use, not for injection or any form of administration, and not available to individuals. Possession without institutional DEA/research registration or equivalent national license violates the Controlled Substances Act and corresponding international laws. Aquatest 50mg Balkan Pharmaceuticals

FAQ Section Aquatest 50mg Balkan Pharmaceuticals

What is the exact form of testosterone in Aquatest 50 mg? Micronized free-base testosterone (no ester) in sterile aqueous suspension.

Is testosterone suspension controlled? Yes – DEA Schedule III (U.S.), Class C (U.K.), prohibited by WADA worldwide.

How is the 50 mg/ml concentration verified? Validated HPLC-UV assay against USP Testosterone RS with acceptance 98.5–101.5 %.

Why is the 50 mg/ml version used alongside 100 mg/ml? It provides the ideal low-concentration calibrant for quantitative linearity studies and low-dose detection methods. Aquatest 50mg Balkan Pharmaceuticals

Who may legally acquire Aquatest 50 mg reference material? Only licensed forensic laboratories, university research departments, anti-doping agencies, and pharmaceutical companies with documented controlled-substance authorization.

Is Aquatest 50 used in official WADA testing? Yes – it is the primary 50 mg/ml aqueous testosterone suspension calibrant in virtually every WADA-accredited laboratory globally. Aquatest 50mg Balkan Pharmaceuticals