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26003-39-4

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26003-39-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 26003-39-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,6,0,0 and 3 respectively; the second part has 2 digits, 3 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 26003-39:
(7*2)+(6*6)+(5*0)+(4*0)+(3*3)+(2*3)+(1*9)=74
74 % 10 = 4
So 26003-39-4 is a valid CAS Registry Number.

26003-39-4Relevant articles and documents

Chemoselective Schwartz Reagent Mediated Reduction of Isocyanates to Formamides

Pace, Vittorio,De La Vega-Hernández, Karen,Urban, Ernst,Langer, Thierry

, p. 2750 - 2753 (2016)

Addition of the in situ generated Schwartz reagent to widely available isocyanates constitutes a chemoselective, high-yielding, and versatile approach to the synthesis of variously functionalized formamides. Steric and electronic factors or the presence of sensitive functionalities (esters, nitro groups, nitriles, alkenes) do not compromise the potential of the method. Full preservation of the stereochemical information contained in the starting materials is observed. The use of formamides in the nucleophilic addition of organometallic reagents (Chida-Sato allylation, Charette-Huang addition to imidoyl triflate activated amides, Matteson homologation of boronic esters) is briefly investigated.

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