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2D Structure
Also known as: 136-40-3, Phenazopyridine hcl, Pyridium, Urodine, Mallophene, Pyripyridium
Molecular Formula
C11H12ClN5
Molecular Weight
249.70  g/mol
InChI Key
QQBPIHBUCMDKFG-UHFFFAOYSA-N
FDA UNII
0EWG668W17

A local anesthetic that has been used in urinary tract disorders. Its use is limited by problems with toxicity (primarily blood disorders) and potential carcinogenicity.
1 2D Structure

2D Structure

2 Identification
2.1 Computed Descriptors
2.1.1 IUPAC Name
3-phenyldiazenylpyridine-2,6-diamine;hydrochloride
2.1.2 InChI
InChI=1S/C11H11N5.ClH/c12-10-7-6-9(11(13)14-10)16-15-8-4-2-1-3-5-8;/h1-7H,(H4,12,13,14);1H
2.1.3 InChI Key
QQBPIHBUCMDKFG-UHFFFAOYSA-N
2.1.4 Canonical SMILES
C1=CC=C(C=C1)N=NC2=C(N=C(C=C2)N)N.Cl
2.2 Other Identifiers
2.2.1 UNII
0EWG668W17
2.3 Synonyms
2.3.1 MeSH Synonyms

1. Azo Dine

2. Azo Gesic

3. Azo Natural

4. Azo Standard

5. Azo-dine

6. Azo-gesic

7. Azo-natural

8. Azo-standard

9. Azodine

10. Azogesic

11. Azonatural

12. Azostandard

13. Baridium

14. Geridium

15. Hydrochloride, Phenazopyridine

16. Phenazo

17. Phenazopyridine

18. Prodium

19. Pyridiate

20. Pyridium

21. Re Azo

22. Re-azo

23. Reazo

24. Urogesic

25. Uti Relief

2.3.2 Depositor-Supplied Synonyms

1. 136-40-3

2. Phenazopyridine Hcl

3. Pyridium

4. Urodine

5. Mallophene

6. Pyripyridium

7. Azomine

8. Bisteril

9. Diridone

10. Sedural

11. Suladyne

12. 3-phenylazo-2,6-diaminopyridine Hydrochloride

13. Phenazodine

14. Pyrazodine

15. Azodyne

16. Pirid

17. Phenylazo Tablets

18. Di-azo

19. Phenazopyridine.hcl

20. Pyridacil

21. Pyridiate

22. Uridinal

23. Nc 150

24. Phenazopyridinium Chloride

25. 3-(phenyldiazenyl)pyridine-2,6-diamine Hydrochloride

26. 2,6-pyridinediamine, 3-(phenylazo)-, Monohydrochloride

27. W 1655

28. Nci-c01672

29. 2,6-diamino-3-(phenylazo)pyridine Monohydrochloride

30. 2,6-diamino-3-phenylazopyridine Hydrochloride

31. Phenazopyridine (hydrochloride)

32. 2,6-pyridinediamine, 3-(2-phenyldiazenyl)-, Hydrochloride (1:1)

33. Nsc-1879

34. 3-phenyldiazenylpyridine-2,6-diamine;hydrochloride

35. Mls000069507

36. Pyri-pyridium

37. Chebi:71419

38. 0ewg668w17

39. 3-(phenylazo)-2,6-pyridinediamine Hydrochloride

40. Component Of Sulfid

41. Component Of Azotrex

42. Component Of Dolonil

43. Nc-150

44. Azosulfisox

45. Mallofeen

46. Nefrecil

47. Pyridivite

48. Pyrizin

49. Smr000058632

50. Urazium

51. Uriplex

52. Phenyl-idium

53. Azo-standard

54. Component Of Azo Gantanol

55. Dsstox_cid_1118

56. W-1655

57. 2,6-diamino-3-(phenylazo)pyridine Hydrochloride

58. Component Of Azo-mandelamine

59. Dsstox_rid_75950

60. Dsstox_gsid_21118

61. Thiosulfil-a Forte

62. Phenazopyridine M Hydrochloride

63. Phenyl-idium 200

64. Pyridene

65. Thiosulfil-a

66. 2, 3-(phenylazo)-, Monohydrochloride

67. Wln: T6nj Bz Cnunr & Fz & Gh

68. Ccris 497

69. Phenylazopyridine Hydrochloride

70. 3-phenylazo-2,6-diaminopyridine Monohydrochloride

71. Nsc227115

72. 3-(phenylazo)-2,6-diaminopyridine Hydrochloride

73. Pyridine,6-diamino-3-(phenylazo)-, Hydrochloride

74. Ncgc00018130-04

75. Nsc 1879

76. Cas-136-40-3

77. Einecs 205-243-8

78. Phenazopyridine Hydrochloride [usan]

79. Phenylazodiaminopyridine Hydrochloride

80. Mfcd00035347

81. Pyridine,6-diamino-3-(phenylazo)-, Monohydrochloride

82. 2,6-diamino-3-(phenylazo)-pyridine Hydrochloride

83. 3-[(e)-phenyldiazenyl]pyridine-2,6-diamine;hydrochloride

84. Phenylazo-.alpha.,.alpha.'-diaminopyridine Monohydrochloride

85. .beta.-phenylazo-.alpha.,.alpha.'-diaminopyridine Hydrochloride

86. Unii-0ewg668w17

87. Ai3-51273

88. Sr-05000001695

89. 3-(phenylazo)-2,6-pyridinediamine, Hydrochloride

90. Prestwick_158

91. Pyridine, 2,6-diamino-3-(phenylazo)-, Hydrochloride

92. Phenylazo-alpha,alpha'-diaminopyridine Monohydrochloride

93. Phenazopyridine Hydrochloride [usan:usp]

94. Opera_id_1284

95. Schembl19357

96. Mls001074123

97. Mls002222176

98. Spectrum1500473

99. Phenazopyridine Monohydrochloride

100. Chembl1201022

101. Chembl1606101

102. Dtxsid1021118

103. (e)-3-(phenyldiazenyl)pyridine-2,6-diamine Hydrochloride

104. 3-(2-phenyldiazen-1-yl)pyridine-2,6-diamine Hydrochloride

105. Nsc1879

106. Pyridine, 2,6-diamino-3-(phenylazo)-, Monohydrochloride

107. Hms1570g06

108. Hms1920f18

109. Pharmakon1600-01500473

110. Hy-b0985

111. Phenazopyridine Hydrochloride (usp)

112. Phenazopyridine Hydrochloride(usan)

113. Tox21_110829

114. Tox21_202153

115. Tox21_302738

116. Ccg-39935

117. Nsc757267

118. S4235

119. Akos015919909

120. Akos025401514

121. Tox21_110829_1

122. Ac-2036

123. Cs-4476

124. Ks-1427

125. Nsc-227115

126. Nsc-757267

127. Ncgc00018130-09

128. Ncgc00091334-01

129. Ncgc00091334-03

130. Ncgc00094755-01

131. Ncgc00094755-02

132. Ncgc00094755-03

133. Ncgc00094755-04

134. Ncgc00256528-01

135. Ncgc00259702-01

136. Phenazopyridine Hydrochloride [mi]

137. Phenazopyridine Hydrochloride [iarc]

138. B0022

139. Ft-0603345

140. Phenazopyridine Hydrochloride [mart.]

141. Phenazopyridine Hydrochloride [vandf]

142. Sw196469-3

143. Phenazopyridine Hydrochloride [usp-rs]

144. Phenazopyridine Hydrochloride [who-dd]

145. Bim-0051479.0001

146. C19290

147. D05450

148. D88590

149. Phenazopyridine Hydrochloride [orange Book]

150. Phenazopyridine Hydrochloride [usp Monograph]

151. Sr-05000001695-2

152. W-108251

153. Q27139594

154. Azo Gantanol Component Phenazopyridine Hydrochloride

155. Azo Gantrisin Component Phenazopyridine Hydrochloride

156. Phenazopyridine Hydrochloride Component Of Azo Gantanol

157. Phenazopyridine Hydrochloride Component Of Azo Gantrisin

158. 3-[(1e)-2-phenyldiazen-1-yl]pyridine-2,6-diamine Hydrochloride

159. Phenazopyridine Hydrochloride, Vetranal(tm), Analytical Standard

160. Phenazopyridine Hydrochloride, United States Pharmacopeia (usp) Reference Standard

2.4 Create Date
2005-08-08
3 Chemical and Physical Properties
Molecular Weight 249.70 g/mol
Molecular Formula C11H12ClN5
Hydrogen Bond Donor Count3
Hydrogen Bond Acceptor Count5
Rotatable Bond Count2
Exact Mass249.0781231 g/mol
Monoisotopic Mass249.0781231 g/mol
Topological Polar Surface Area89.6 Ų
Heavy Atom Count17
Formal Charge0
Complexity237
Isotope Atom Count0
Defined Atom Stereocenter Count0
Undefined Atom Stereocenter Count0
Defined Bond Stereocenter Count0
Undefined Bond Stereocenter Count0
Covalently Bonded Unit Count2