The accuracy of drug identification in forensic science and pharmaceutical research hinges on the availability and reliability of analytical standards. Nitromethaqualone, known by its CAS number 340-52-3, is a prime example of such a critical compound, serving as a cornerstone for the precise identification of quinazolinone derivatives.

As a synthetic quinazolinone, Nitromethaqualone possesses specific chemical and physical properties that make it an invaluable tool for analytical chemists. Its known purity and well-defined characteristics allow for the calibration of analytical instruments and the validation of analytical methods, including gas chromatography-mass spectrometry (GC-MS) and high-performance liquid chromatography (HPLC). These techniques are routinely employed in forensic laboratories to detect and quantify controlled substances, making a reliable standard like Nitromethaqualone indispensable.

The compound's role extends to differentiating between various quinazolinone structures, a task that is often complex due to the structural similarity among many derivatives. By comparing unknown samples against a certified Nitromethaqualone standard, analysts can confirm the presence or absence of this specific compound or identify closely related analogues. This precision is vital in building strong cases in forensic investigations and ensuring the quality of pharmaceutical research.

Furthermore, Nitromethaqualone's pharmacological profile, including its potent sedative and hypnotic effects, adds another layer to its significance. Understanding these properties helps researchers in fields like toxicology and pharmacology to study the mechanisms of action of central nervous system depressants. The availability of high-quality quinazolinone derivatives from reputable suppliers such as NINGBO INNO PHARMCHEM CO.,LTD. is crucial for these scientific endeavors.

In summary, Nitromethaqualone's status as an analytical reference standard is fundamental to achieving accurate drug identification. Its application in forensic science and research laboratories underscores the importance of specialized chemical suppliers in maintaining the integrity and efficiency of analytical workflows.