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191592-44-6

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191592-44-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 191592-44-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,9,1,5,9 and 2 respectively; the second part has 2 digits, 4 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 191592-44:
(8*1)+(7*9)+(6*1)+(5*5)+(4*9)+(3*2)+(2*4)+(1*4)=156
156 % 10 = 6
So 191592-44-6 is a valid CAS Registry Number.

191592-44-6Downstream Products

191592-44-6Relevant academic research and scientific papers

Synthesis of and asymmetric induction by chiral polycyclic thiazolium salts

Gerhard, A. Ulrich,Leeper, Finian J.

, p. 3615 - 3618 (1997)

Polycyclic thiazoles, 68 and b, have been synthesised and the enantiomers resolved. Alkylation gave chiral thiazolium salts which catalyse the dimerisation of benzaldehyde to give benzoin with enantiomeric excesses up to 26%. Reasons for these results are

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