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91473-32-4

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91473-32-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 91473-32-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,1,4,7 and 3 respectively; the second part has 2 digits, 3 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 91473-32:
(7*9)+(6*1)+(5*4)+(4*7)+(3*3)+(2*3)+(1*2)=134
134 % 10 = 4
So 91473-32-4 is a valid CAS Registry Number.

91473-32-4Downstream Products

91473-32-4Relevant articles and documents

Ti(III)-MEDIATED REDUCTIONS OF N-HYDROXY IMIDAZOLES TO 1-PROTIO-2,4(5)-DISUBSTITUTED DERIVATIVES

Lipshutz, Bruce H.,Morey, Matthew C.

, p. 1319 - 1320 (1984)

N-Hydroxy imidazoles are converted via TiCl3 in MeOH/H2O to N-protio derivatives, useful precursors of chiral amino acids.

A One Step Synthesis of 4-Substituted Imidazoles. An Important Observation When N-Alkylating Imidazoles

Whitten, Jeffrey P.,Matthews, Donald P.,McCarthy, James R.,Barbuch, Robert J.

, p. 1845 - 1847 (2007/10/02)

Imidazoles substituted in the 2-position with methyl, 1e, phenyl, 1a, 2-imidazole, 1b-d, or t-butyldiphenylsilyl, 1f, react with soft electrophiles 2 to give modest yields of 4(5)-C-alkylated-imidazoles 3 and N-alkylated products 5.These two products are readily separated by flash chromatography.

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