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	<title>Kempner function - Revision history</title>
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	<updated>2026-05-25T14:55:06Z</updated>
	<subtitle>Revision history for this page on the wiki</subtitle>
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	<entry>
		<id>https://en.formulasearchengine.com/index.php?title=Kempner_function&amp;diff=17070&amp;oldid=prev</id>
		<title>en&gt;K6ka: Reverted 1 edit by 71.187.133.166 (talk): What?? (TW)</title>
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		<updated>2014-01-08T20:48:16Z</updated>

		<summary type="html">&lt;p&gt;Reverted 1 edit by &lt;a href=&quot;/wiki/Special:Contributions/71.187.133.166&quot; title=&quot;Special:Contributions/71.187.133.166&quot;&gt;71.187.133.166&lt;/a&gt; (&lt;a href=&quot;/index.php?title=User_talk:71.187.133.166&amp;amp;action=edit&amp;amp;redlink=1&quot; class=&quot;new&quot; title=&quot;User talk:71.187.133.166 (page does not exist)&quot;&gt;talk&lt;/a&gt;): What?? (&lt;a href=&quot;/index.php?title=WP:TW&amp;amp;action=edit&amp;amp;redlink=1&quot; class=&quot;new&quot; title=&quot;WP:TW (page does not exist)&quot;&gt;TW&lt;/a&gt;)&lt;/p&gt;
&lt;p&gt;&lt;b&gt;New page&lt;/b&gt;&lt;/p&gt;&lt;div&gt;{{DISPLAYTITLE:&amp;#039;&amp;#039;para&amp;#039;&amp;#039;-Nitrophenylphosphate}}&lt;br /&gt;
{{chembox&lt;br /&gt;
| Verifiedfields = changed&lt;br /&gt;
| verifiedrevid = 393645519&lt;br /&gt;
|Name=&amp;#039;&amp;#039;para&amp;#039;&amp;#039;-Nitrophenylphosphate&lt;br /&gt;
|  ImageFileL1 = para-Nitrophenylphosphate.png&lt;br /&gt;
|  ImageSizeL1 = 100px&lt;br /&gt;
|  ImageAltL1 = Skeletal formula&lt;br /&gt;
|  ImageFileR1 = Para-Nitrophenylphosphate-3D-spacefill.png&lt;br /&gt;
|  ImageSizeR1 = 130px&lt;br /&gt;
|  ImageAltR1 = Space-filling model&lt;br /&gt;
|IUPACName=(4-nitrophenyl) dihydrogen phosphate&lt;br /&gt;
|OtherNames=pNPP&lt;br /&gt;
|Section1= {{Chembox Identifiers&lt;br /&gt;
|  CASNo_Ref = {{cascite|correct|??}}&lt;br /&gt;
| CASNo=33013-2&lt;br /&gt;
|  PubChem=378&lt;br /&gt;
| ChEMBL_Ref = {{ebicite|changed|EBI}}&lt;br /&gt;
| ChEMBL = 24231&lt;br /&gt;
|  SMILES=C1=CC(=CC=C1[N+](=O)[O-])OP(=O)(O)O&lt;br /&gt;
  }}&lt;br /&gt;
|Section2= {{Chembox Properties&lt;br /&gt;
|  Formula=C&amp;lt;sub&amp;gt;6&amp;lt;/sub&amp;gt;H&amp;lt;sub&amp;gt;6&amp;lt;/sub&amp;gt;NO&amp;lt;sub&amp;gt;6&amp;lt;/sub&amp;gt;P&lt;br /&gt;
|  MolarMass=219.088701&lt;br /&gt;
|  Appearance=&lt;br /&gt;
|  Density=&lt;br /&gt;
|  MeltingPt=&lt;br /&gt;
|  BoilingPt=&lt;br /&gt;
|  Solubility=&lt;br /&gt;
  }}&lt;br /&gt;
|Section3= {{Chembox Hazards&lt;br /&gt;
|  MainHazards=&lt;br /&gt;
|  FlashPt=&lt;br /&gt;
|  Autoignition=&lt;br /&gt;
  }}&lt;br /&gt;
}}&lt;br /&gt;
&amp;#039;&amp;#039;&amp;#039;&amp;#039;&amp;#039;para&amp;#039;&amp;#039;-Nitrophenylphosphate&amp;#039;&amp;#039;&amp;#039; (pNPP) is a [[chromogenic substrate]] for [[acid phosphatase|acid]] and [[alkaline phosphatase]] in [[ELISA]] assays. Under their influence the decay to yellow [[4-nitrophenol|&amp;#039;&amp;#039;para&amp;#039;&amp;#039;-nitrophenol]] is catalysed. This product can be measured with a 405 nm [[spectrophotometer]].&lt;br /&gt;
&lt;br /&gt;
:&amp;lt;math&amp;gt;PNPP+H_2O \; \overrightarrow{_{AP}} \; PNP + P_i&amp;lt;/math&amp;gt;&lt;br /&gt;
&lt;br /&gt;
==External links==&lt;br /&gt;
*[http://www.sigmaaldrich.com/catalog/ProductDetail.do?N4=N22002|ALDRICH&amp;amp;N5=Product%20No.|BRAND_KEY&amp;amp;F=SPEC pNPP disodium salt hexahydrate (SigmaAldrich.com)]&lt;br /&gt;
*[http://www.nuncbrand.com/NAG/DP0010.htm Nunc Brand Products]&lt;br /&gt;
&lt;br /&gt;
{{DEFAULTSORT:Nitrophenylphosphate, para-}}&lt;br /&gt;
[[Category:Organophosphates]]&lt;br /&gt;
[[Category:Nitrobenzenes]]&lt;br /&gt;
&lt;br /&gt;
{{Organic-compound-stub}}&lt;/div&gt;</summary>
		<author><name>en&gt;K6ka</name></author>
	</entry>
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