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ACTIVE PHARMA INGREDIENTS

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2 USDMF
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Chemistry

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Also known as: Melsedin, Somnofac, Mequal, Optimil, Parest, 340-56-7

Molecular Formula

C₁₆H₁₅ClN₂O

Molecular Weight

286.75 g/mol

InChI Key

KJUHIXIWKSVBKB-UHFFFAOYSA-N

FDA UNII

RJQ4G25ZRH

A quinazoline derivative with hypnotic and sedative properties. It has been withdrawn from the market in many countries because of problems with abuse. (From Martindale, The Extra Pharmacopoeia, 30th ed, p604)

1 2D Structure

Methaqualone

2 Identification

2.1 Computed Descriptors

2.1.1 IUPAC Name

2-methyl-3-(2-methylphenyl)quinazolin-4-one;hydrochloride

2.1.2 InChI

InChI=1S/C16H14N2O.ClH/c1-11-7-3-6-10-15(11)18-12(2)17-14-9-5-4-8-13(14)16(18)19;/h3-10H,1-2H3;1H

2.1.3 InChI Key

KJUHIXIWKSVBKB-UHFFFAOYSA-N

2.1.4 Canonical SMILES

CC1=CC=CC=C1N2C(=NC3=CC=CC=C3C2=O)C.Cl

2.2 Other Identifiers

2.2.1 UNII

RJQ4G25ZRH

2.3 Synonyms

2.3.1 MeSH Synonyms

1. Hydrochloride, Methaqualone

2. Methaqualone

3. Metolquizolone

4. Optimil

5. Ortonal

6. Quaalude

2.3.2 Depositor-Supplied Synonyms

1. Melsedin

2. Somnofac

3. Mequal

4. Optimil

5. Parest

6. 340-56-7

7. Methaqualone Hcl

8. Melsed Hcl

9. Mtq Hydrochloride

10. Sopor Hydrochloride

11. Somnafac

12. Quaalude Hydrochloride

13. Hyminal Monohydrochloride

14. Tr 495 Monohydrochloride

15. Methylquinazolone Hydrochloride

16. Nsc-75892

17. Rjq4g25zrh

18. 2-methyl-3-(o-tolyl)-4-quinazolone Hydrochloride

19. 4(3h)-quinazolinone, 2-methyl-3-(2-methylphenyl)-, Monohydrochloride

20. 2-methyl-3-tolylchinazolon-4 Hydrochloride

21. 2915-01-7

22. 2-methyl-3-(2-methylphenyl)quinazolin-4-one Hydrochloride

23. Mozambin Hydrochloride

24. 2-methyl-3-(2-methylphenyl)quinazolin-4-one;hydrochloride

25. Einecs 206-431-2

26. Unii-rjq4g25zrh

27. Nsc 75892

28. Chi 38

29. Methaqualone Hydrochloride [usp]

30. Qz 2 Hydrochloride

31. 2-methyl-3-tolylchinazolon-4 Hydrochloride [german]

32. 2-methyl-3-o-tolyl-4(3h)-quinazolinone Hydrochloride

33. 2-methyl-3-o-tolyl-4(3h)-quinazolinone Monohydrochloride

34. 2-metil-3-(o-tolil)-4-chinazolone Chloridrato [italian]

35. 4(3h)-quinazolinone, 2-methyl-3-o-tolyl-, Hydrochloride

36. 2-metil-3-(o-tolil)-4-chinazolone Chloridrato

37. Schembl3500629

38. Chembl2106829

39. Dtxsid10951751

40. 4(3h)-quinazolinone, 2-methyl-3-o-tolyl-, Monohydrochloride

41. Nsc75892

42. 4(3h)-quinazolinone, Hydrochloride

43. 2-methyl-3-(2'-trifluormethylphenyl) Chinazolon-4 Hydrochloride [german]

44. 4(3h)-quinazolinone, 2-methyl-3-(o-trifluoromethylphenyl)-, Hydrochloride

45. Akos027439985

46. 4(3h)-quinazolinone, Monohydrochloride

47. Methaqualone Hydrochloride [mi]

48. Methaqualone Hydrochloride [who-dd]

49. Wln: T66 Bvn Enj Cr B1 & D1

50. Ft-0603381

51. Q27288151

52. 2-methyl-3-(2'-trifluormethylphenyl) Chinazolon-4 Hydrochloride

53. 2-methyl-3-(2-methylphenyl)quinazolin-4(3h)-one--hydrogen Chloride (1/1)

2.4 Create Date

2005-08-08

3 Chemical and Physical Properties

Molecular Formula	C₁₆H₁₅ClN₂O
Molecular Weight	286.75 g/mol
Hydrogen Bond Donor Count	1
Hydrogen Bond Acceptor Count	2
Rotatable Bond Count	1
Exact Mass	286.0872908 g/mol
Monoisotopic Mass	286.0872908 g/mol
Topological Polar Surface Area	32.7 Å²
Heavy Atom Count	20
Formal Charge	0
Complexity	390
Isotope Atom Count	0
Defined Atom Stereocenter Count	0
Undefined Atom Stereocenter Count	0
Defined Bond Stereocenter Count	0
Undefined Bond Stereocenter Count	0
Covalently Bonded Unit Count	2