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91994-60-4

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91994-60-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 91994-60-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,1,9,9 and 4 respectively; the second part has 2 digits, 6 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 91994-60:
(7*9)+(6*1)+(5*9)+(4*9)+(3*4)+(2*6)+(1*0)=174
174 % 10 = 4
So 91994-60-4 is a valid CAS Registry Number.

91994-60-4Downstream Products

91994-60-4Relevant articles and documents

Pyrazolone-based nitrido complexes: Synthesis and nitrogen transfer to alkenes

Perez, Fredy R.,Belmar, Julio,Moreno, Yanko,Baggio, Ricardo,Pena, Octavio

, p. 283 - 287 (2005)

The first examples of alkylpyrazolone based nitridomanganese(v) complexes are here reported. Styrene was used as a test substrate to study the complex's ability to transfer nitrogen in stoichiometric reactions. Preliminary trials yielded 75 to 91% of N-(2

Regioselective opening of epoxides to β-amido alcohols under solid-liquid PTC conditions

Albanese, Domenico,Landini, Dario,Penso, Michele

, p. 4787 - 4790 (2007/10/03)

A study on the ring opening of a number of epoxides 1 with trifluoroacetamide (2) under solid-liquid phase transfer catalysis (SL-PTC) conditions has been performed. The reaction is completely regioselective affording β-amido alcohols 3 deriving from the attack of the nucleophile to the less substituted carbon atom of the oxirane ring.

Baker's Yeast Reduction of α-(Acylamino)acetophenones and Lipase Catalyzed Resolution of 2-Acylamino-1-arylethanols

Izumi, Taeko,Fukaya, Katsumi

, p. 1216 - 1221 (2007/10/02)

Enzymatic reduction of α-acylaminoacetophenones with fermenting baker's yeast afforded optically active (R)-2-acylamino-1-arylethanols.Furthermore, lipase-catalyzed resolution of the 2-acylamino-1-arylethanols using vinyl acetate as an acyl donor resulted in the formation of (S)-1-acetoxy-2-acylamino-1-arylethanols and (R)-2-acylamino-1-arylethanols.

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