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91973-64-7

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91973-64-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 91973-64-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,1,9,7 and 3 respectively; the second part has 2 digits, 6 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 91973-64:
(7*9)+(6*1)+(5*9)+(4*7)+(3*3)+(2*6)+(1*4)=167
167 % 10 = 7
So 91973-64-7 is a valid CAS Registry Number.

91973-64-7Downstream Products

91973-64-7Relevant academic research and scientific papers

1-butyl-3-methylimidazolium bromide as a solvent and precatalyst for stetter reaction

Phungpis, Baramee,Hahnvajanawong, Viwat

, p. 2028 - 2032 (2020)

Stetter reaction between aromatic aldehydes and acrylonitrile/ethyl acrylate performing in [Bmim]Br in the presence of NaOH is described. N-Heterocyclic carbene (NHC) generates in situ is shown to be an efficient catalyst. Benzoin condensation also occured as side reaction.

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