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174784-05-5

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174784-05-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 174784-05-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,4,7,8 and 4 respectively; the second part has 2 digits, 0 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 174784-05:
(8*1)+(7*7)+(6*4)+(5*7)+(4*8)+(3*4)+(2*0)+(1*5)=165
165 % 10 = 5
So 174784-05-5 is a valid CAS Registry Number.

174784-05-5Downstream Products

174784-05-5Relevant articles and documents

Synthesis of cyclic sulfides and allylic sulfides by phenylsulfanyl (PhS-) migration of β-hydroxy sulfides

Eames, Jason,Warren, Stuart

, p. 2783 - 2790 (2007/10/03)

New routes to cyclic and spirocyclic sulfides involve aldol reactions of dithioesters or chemoselective Mitsunobu reactions of 1,/i-diols to give 2-hydroxyalkyl sulfides with a terminal SH group. Treatment with acid gives unrearranged cyclic sulfides, or by rearrangement with PhS-migration, spirocyclic thiolanes and allylic sulfides in almost quantitative yield. We comment on the effect of the chain length on the mode of cyclisation and on the surprising differences between an OH group and an SH group as nucleophile towards an episulfonium ion. The Royal Society of Chemistry 1999.

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