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42006-80-4

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42006-80-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 42006-80-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,2,0,0 and 6 respectively; the second part has 2 digits, 8 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 42006-80:
(7*4)+(6*2)+(5*0)+(4*0)+(3*6)+(2*8)+(1*0)=74
74 % 10 = 4
So 42006-80-4 is a valid CAS Registry Number.

42006-80-4Downstream Products

42006-80-4Relevant articles and documents

Silica triflate as an efficient reagent for the chemoselective formylation of alcohols

Shirini, Farhad,Marjani, Katayoun,Nahzomi, Hossein Taherpour,Zolfigol, Mohammad Ali

, p. 1245 - 1251 (2007)

Silica triflate, as a new and stable silica-based reagent, is prepared by a reaction of silica gel with trifluoromethane sulfonyl chloride at room temperature. This reagent can be used for the efficient and selective formylation of alcohols in the presence of phenols in a relatively short reaction time and high yields under heterogeneous reaction conditions.

Mild and efficient procedure for acetylation and formylation of alcohols in the presence of Mg(HSO4)2

Shirini,Zolfigol,Mallakpour

, p. 625 - 626 (2007/10/03)

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Tf2O/Amide adducts: Versatile reagents for the synthesis of imidates and amidines

Sforza, Stefano,Dossena, Arnaldo,Corradini, Roberto,Virgili, Eliana,Marchelli, Rosangela

, p. 711 - 714 (2007/10/03)

The Vilsmeier reagents generated from tertiary and secondary aliphatic and aromatic amides and trifluoromethanesulfonic anhydride (Tf2O) reacted with different nucleophiles (ROH, RSH, RNH2) affording the relative iminium and amidinium salts. The former, stable at room temperature, were easily transformed into the corresponding esters or O-alkyl thioesters by treatment with OH- or SH-.

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