| | Identification | Back Directory |  | [Name] 
 3-bromo-5-phenyl Salicylic Acid
 |  | [CAS] 
 4906-68-7
 |  | [Synonyms] 
 AKR1C1-IN-1
 XVZSXNULHSIRCQ-UHFFFAOYSA-N
 3-bromo-5-phenyl Salicylic Acid
 3-bromo-5-phenyl Salicylic Acid    Exclusive
 [1,1'-Biphenyl]-3-carboxylic acid, 5-bromo-4-hydroxy-
 |  | [EINECS(EC#)] 
 225-535-9
 |  | [Molecular Formula] 
 C13H9BrO3
 |  | [MDL Number] 
 MFCD16495825
 |  | [MOL File] 
 4906-68-7.mol
 |  | [Molecular Weight] 
 293.11
 | 
 | Chemical Properties | Back Directory |  | [Melting point ] 
 212-214 °C
 |  | [Boiling point ] 
 401.2±45.0 °C(Predicted)
 |  | [density ] 
 1.611±0.06 g/cm3(Predicted)
 |  | [storage temp. ] 
 Inert atmosphere,Room Temperature
 |  | [solubility ] 
 DMF: 15 mg/ml; DMF:PBS (pH 7.2) (1:9): 0.1 mg/ml; DMSO: 12.5 mg/ml; Ethanol: 0.1 mg/ml
 |  | [form ] 
 A crystalline solid
 |  | [pka] 
 2.45±0.14(Predicted)
 |  | [color ] 
 White to pink
 | 
 | Hazard Information | Back Directory |  | [Description] 
 The aldo-keto reductase (AKR) enzymes constitute a family of related NADPH-dependent oxidoreductases. The 1C subfamily (AKR1C) includes four human hydroxysteroid dehydrogenases, with AKR1C1 being a 20α-HSD and the other three being 3α-HSDs. AKR1C1 metabolizes progesterone to an inactive progestin, 20α-hydroxy progesterone. In addition, AKR1C1 actions have been implicated in cancer and in the processing of neuroactive steroids involved in brain function. 3-bromo-5-phenyl Salicylic acid selectively inhibits AKR1C1 (Ki = 4 nM) over AKR1C2 (Ki = 87 nM), AKR1C3 (Ki = 4.2 μM), and AKR1C4 (Ki = 18.2 μM). Moreover, it potently inhibits the metabolism of progesterone by bovine aortic endothelial cells overexpressing AKR1C1 (IC50 = 460 nM).
 |  | [Uses] 
 AKR1C1-IN-1 is a potent and selective inhibitor of human 20α-hydroxysteroid dehydrogenase (AKR1C1), with a Ki value of 4 nM for AKR1C1[1].
 |  | [References] 
 [1] El-Kabbani O, et al. Structure-guided design, synthesis, and evaluation of salicylic acid-based inhibitors targeting a selectivity pocket in the active site of human 20alpha-hydroxysteroid dehydrogenase (AKR1C1). J Med Chem. 2009 May 28;52(10):3259-64. DOI:10.1021/jm9001633
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