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75648-24-7

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75648-24-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 75648-24-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,5,6,4 and 8 respectively; the second part has 2 digits, 2 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 75648-24:
(7*7)+(6*5)+(5*6)+(4*4)+(3*8)+(2*2)+(1*4)=157
157 % 10 = 7
So 75648-24-7 is a valid CAS Registry Number.

75648-24-7Downstream Products

75648-24-7Relevant articles and documents

Synthesis of 2-[18F]Fluoro-2-deoxyisosorbide 5-mononitrate and Assessment of Its in vivo Biodistribution as Determined by Dynamic Positron Emission Tomography (PET)

Santschi, Nico,Wagner, Stefan,Daniliuc, Constantin,Hermann, Sven,Sch?fers, Michael,Gilmour, Ryan

, p. 1724 - 1732 (2015)

Herein we disclose the synthesis of 2-fluoro-2-deoxyisosorbide 5-mononitrate (2F-IS-5MN), a fluorinated analogue of the commonly prescribed vasodilator isosorbide 5-mononitrate (IS-5MN). X-ray structural data for IS-5MN and its C2-epimeric congener IM-5MN are presented together with structural data for 2F-IS-5MN. Radioisotope labeling of 2F-IS-5MN has, for the first time, allowed observation of the in vivo biodistribution of this organic nitrate by means of dynamic positron emission tomography (PET) in wild-type mice. Visualization breakthrough: Herein we disclose the synthesis of a fluorinated analogue of the commonly prescribed vasodilator isosorbide 5-mononitrate (IS-5MN). Radioisotope labeling of 2F- IS-5MN has, for the first time, allowed observation of the in vivo biodistribution of this organic nitrate by means of dynamic positron emission tomography (PET) in wild-type mice.

Process for selectively producing isosorbide-5-nitrate

-

, (2008/06/13)

The present invention is related to a new process for selectively preparing isosorbide-5-nitrate (1.4-3.6-dianhydrosorbitol-5-nitrate) by subjecting isomannide (1.4-3.6-dianhydromannitol) in an organic solvent or an aqueous-organic reaction medium to reaction with the equivalent amount of an acid halogenide or the anhydride of a benzene or naphthalene sulfonic acid possibly substituted by lower alkyl, lower alkoxy and/or halogen, of a perfluoro - lower alkane-sulfonic acid, of a lower alkanesulfonic acid or of a perfluoro - lower - alkanoic acid or with the equivalent amount of an acid halogenide of a carbamic acid or of sulphurous acid; subjecting the resulting isomannide-2-ester in the presence of a solvent and possibly with heating, to reaction with an alkali metal salt or an ammonium salt of a benzoic acid possibly substituted by lower alkyl, lower alkoxy and/or halogen or of a lower alkanoic acid; converting the hydroxy group in the 5-position of the resulting isosorbide-2-ester into the nitric acid ester group in manners known per se by reaction with nitric acid; and subjecting the resulting isosorbide-2-ester-5-nitrate to selective hydrolysis and/or reesterification in an organic or aqueous-organic solvent with an alkali metal hydroxide in manners known per se.

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