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142387-84-6

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142387-84-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 142387-84-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,2,3,8 and 7 respectively; the second part has 2 digits, 8 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 142387-84:
(8*1)+(7*4)+(6*2)+(5*3)+(4*8)+(3*7)+(2*8)+(1*4)=136
136 % 10 = 6
So 142387-84-6 is a valid CAS Registry Number.

142387-84-6Downstream Products

142387-84-6Relevant articles and documents

Free-Radical Chemistry of Imines

Tomaszewski, Miroslaw J.,Warkentin, John,Werstiuk, Nick H.

, p. 291 - 322 (2007/10/02)

Aryl radicals bearing an aldimino functional group as part of an ortho substituent cyclized by addition to C and/or N of the imino group.When the choice was between 5-exo closure to C and 6-endo closure to N, the former predominated.However, 6-endo closure to C predominated over 5-exo cyclization to N in isomeric imines.Absolute values of cyclization rate constants were determined and an explanation for the unusual 6-endo preference is offered.Chiral induction in 6-endo cyclization to C of an aldimine from D-glyceraldehyde acetonide was observed, and its sense was determined.

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