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2D Structure
Also known as: 643-79-8, Phthalaldehyde, O-phthaldialdehyde, 1,2-benzenedicarboxaldehyde, Benzene-1,2-dicarboxaldehyde, Phthaldialdehyde
Molecular Formula
C8H6O2
Molecular Weight
134.13  g/mol
InChI Key
ZWLUXSQADUDCSB-UHFFFAOYSA-N
FDA UNII
4P8QP9768A

A reagent that forms fluorescent conjugation products with primary amines. It is used for the detection of many biogenic amines, peptides, and proteins in nanogram quantities in body fluids.
1 2D Structure

2D Structure

2 Identification
2.1 Computed Descriptors
2.1.1 IUPAC Name
phthalaldehyde
2.1.2 InChI
InChI=1S/C8H6O2/c9-5-7-3-1-2-4-8(7)6-10/h1-6H
2.1.3 InChI Key
ZWLUXSQADUDCSB-UHFFFAOYSA-N
2.1.4 Canonical SMILES
C1=CC=C(C(=C1)C=O)C=O
2.2 Other Identifiers
2.2.1 UNII
4P8QP9768A
2.3 Synonyms
2.3.1 MeSH Synonyms

1. Aldehyde, Ortho-phthalic

2. O Phthalaldehyde

3. O Phthaldialdehyde

4. O-phthaldialdehyde

5. Ortho Phthalaldehyde

6. Ortho Phthalic Aldehyde

7. Ortho-phthalaldehyde

8. Ortho-phthalic Aldehyde

9. Orthophthaldialdehyde

2.3.2 Depositor-Supplied Synonyms

1. 643-79-8

2. Phthalaldehyde

3. O-phthaldialdehyde

4. 1,2-benzenedicarboxaldehyde

5. Benzene-1,2-dicarboxaldehyde

6. Phthaldialdehyde

7. Phthalic Aldehyde

8. Phthalic Dialdehyde

9. Ortho-phthalaldehyde

10. Phthalyldicarboxaldehyde

11. Phthalic Dicarboxaldehyde

12. O-phthaldehyde

13. Benzene-1,2-dicarbaldehyde

14. Phthalaldialdehyde

15. 2-phthalaldehyde

16. O-phthalicdicarboxaldehyde

17. 1,2-diformylbenzene

18. O-phthalic Dicarboxaldehyde

19. Ortho Phthalaldehyde

20. Opa

21. 1,2-benzenedicarbaldehyde

22. Opta

23. Orthophthalaldehyde

24. Nsc 13394

25. Chebi:70851

26. 4p8qp9768a

27. Phtharal (jan)

28. Nsc-13394

29. 1,2-benzenedicarboxaldehyde, Homopolymer

30. Ncgc00166206-01

31. Phtharal [jan]

32. 1,2-phthalic Dicarboxaldehyde

33. Dsstox_cid_12514

34. Dsstox_rid_78962

35. Dsstox_gsid_32514

36. 25750-62-3

37. Phtalaldehydes

38. Phtalaldehydes [french]

39. Cas-643-79-8

40. 2-phthaldialdehyde

41. Einecs 211-402-2

42. Mfcd00003335

43. Brn 0878317

44. Phthalaldehyd

45. Phtharal

46. Disopa

47. O-phthalaldehyd

48. Unii-4p8qp9768a

49. O-phthal Aldehyde

50. Disopa (tn)

51. Ortho-phthaldialdehyde

52. O-phthalaldehyde-[d6]

53. Epitope Id:176774

54. 2-phthaldehyde, High Purity

55. Schembl33393

56. Benzene-1,2-dicarboxakdehyde

57. 4-07-00-02138 (beilstein Handbook Reference)

58. O-phthalaldehyde [mi]

59. Chembl160145

60. Ortho-phthalic Aldehyde (opa)

61. Dtxsid6032514

62. Hsdb 8456

63. Orthophthalaldehyde [vandf]

64. O-phthaldialdehyde [mart.]

65. Bcp29465

66. Nsc13394

67. Str01056

68. Zinc1729594

69. Tox21_112347

70. Tox21_300404

71. 1,2-benzenedialdehyde;phthalaldehyde

72. Bbl027435

73. Stk802214

74. Akos000119186

75. Tox21_112347_1

76. Cs-w013385

77. Ncgc00166206-02

78. Ncgc00166206-04

79. Ncgc00254339-01

80. Ac-10388

81. Phthaldialdehyde Reagent, Solution Complete

82. Am20050101

83. Ft-0632732

84. P0280

85. Phthaldialdehyde Reagent, Solution Incomplete

86. 43p798

87. D03470

88. P-6600

89. Sr-01000944839

90. Q5933776

91. Sr-01000944839-1

92. Phthaldialdehyde, For Fluorescence, >=99.0% (hplc)

93. 6-oxomethylene-5-[(e)-hydroxymethylene]cyclohexa-1,3-diene

94. 6-oxomethylene-5-[(z)-hydroxymethylene]cyclohexa-1,3-diene

95. Phthaldialdehyde, >=97% (hplc), Powder (may Contain Lumps)

96. Phthaldialdehyde, Suitable For Hplc Fluorimetric Detection Of Amino Acids, >=99% (hplc), Powder

2.4 Create Date
2005-03-25
3 Chemical and Physical Properties
Molecular Weight 134.13 g/mol
Molecular Formula C8H6O2
XLogP31.2
Hydrogen Bond Donor Count0
Hydrogen Bond Acceptor Count2
Rotatable Bond Count2
Exact Mass134.036779430 g/mol
Monoisotopic Mass134.036779430 g/mol
Topological Polar Surface Area34.1 Ų
Heavy Atom Count10
Formal Charge0
Complexity115
Isotope Atom Count0
Defined Atom Stereocenter Count0
Undefined Atom Stereocenter Count0
Defined Bond Stereocenter Count0
Undefined Bond Stereocenter Count0
Covalently Bonded Unit Count1
4 Pharmacology and Biochemistry
4.1 MeSH Pharmacological Classification

Disinfectants

Substances used on inanimate objects that destroy harmful microorganisms or inhibit their activity. Disinfectants are classed as complete, destroying SPORES as well as vegetative forms of microorganisms, or incomplete, destroying only vegetative forms of the organisms. They are distinguished from ANTISEPTICS, which are local anti-infective agents used on humans and other animals. (From Hawley's Condensed Chemical Dictionary, 11th ed) (See all compounds classified as Disinfectants.)


Indicators and Reagents

Substances used for the detection, identification, analysis, etc. of chemical, biological, or pathologic processes or conditions. Indicators are substances that change in physical appearance, e.g., color, at or approaching the endpoint of a chemical titration, e.g., on the passage between acidity and alkalinity. Reagents are substances used for the detection or determination of another substance by chemical or microscopical means, especially analysis. Types of reagents are precipitants, solvents, oxidizers, reducers, fluxes, and colorimetric reagents. (From Grant and Hackh's Chemical Dictionary, 5th ed, p301, p499) (See all compounds classified as Indicators and Reagents.)


Enzyme Inhibitors

Compounds or agents that combine with an enzyme in such a manner as to prevent the normal substrate-enzyme combination and the catalytic reaction. (See all compounds classified as Enzyme Inhibitors.)