Nitromethaqualone, often referred to as NMQ, is a chemical analog of methaqualone known for sharing similar sedative and hypnotic properties. Notably, Nitromethaqualone exhibits significantly increased potency, being approximately ten times more potent than its parent compound. A typical dosage of Nitromethaqualone is around 25 milligrams.

IUPAC name
CAS Number340-52-3
PubChem CID63339
CompTox Dashboard (EPA)DTXSID80187601
Chemical and physical data
Molar mass311.29 g·mol−1


1. What is Nitromethaqualone (NMQ)?

Nitromethaqualone, often abbreviated as NMQ, is a chemical analog of methaqualone. It shares similar sedative and hypnotic properties with its parent compound.

2. How does Nitromethaqualone compare to Methaqualone in terms of potency?

One of the distinguishing features of Nitromethaqualone is its significantly increased potency, which is approximately ten times greater than that of methaqualone. This higher potency sets it apart from its predecessor.

3. What is the typical dosage for Nitromethaqualone?

A typical dosage of Nitromethaqualone is approximately 25 milligrams. However, it’s crucial to note that precise dosages and guidelines may vary, and safety precautions should be taken when using such substances.

4. Is Nitromethaqualone legally available for use or prescription?

As of my last knowledge update in January 2022, Nitromethaqualone is not recognized for any approved medical or therapeutic uses, and it is typically not legally prescribed by healthcare professionals. The legal status may differ by country and region, so it is essential to be aware of local regulations.

5. What are the potential risks associated with Nitromethaqualone use?

The use of Nitromethaqualone, like other substances with sedative and hypnotic properties, can be associated with various risks. These may include the potential for dependence, overdose, and adverse effects. Caution is advised when dealing with substances of this nature.

6. Can Nitromethaqualone be obtained on the black market or as a designer drug?

Substances like Nitromethaqualone may be available on the black market or marketed as designer drugs in some regions. However, acquiring and using such substances may be illegal and risky, and it is essential to be cautious and informed.

7. Where can I find more information about Nitromethaqualone and its effects?

For more information about Nitromethaqualone and its effects, it is advisable to rely on reputable sources such as scientific literature, authoritative medical archives, and official drug enforcement agencies. Additionally, consulting with healthcare professionals can provide valuable insights and guidance regarding this compound.


  1. In December 1964, a US patent (Patent No. 3162634) was granted to Klosa J of Berlin, Germany. The patent pertained to “2-Methyl-3-(2′-methyl-3′-chlorphenyl)-quinazolone-(4)”.
  2. A research study conducted by Szirmai A in November 1963, explored “[Pharmacological and Therapeutic Studies with a New Quinazolone Derivative, Nitromethaqualone].” This study was published in Therapeutische Umschau. Revue Therapeutique (in German) and can be found in Volume 20, spanning pages 542–546, with reference to PMID: 14101319.

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