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1582780-99-1

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1582780-99-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1582780-99-1 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,5,8,2,7,8 and 0 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1582780-99:
(9*1)+(8*5)+(7*8)+(6*2)+(5*7)+(4*8)+(3*0)+(2*9)+(1*9)=211
211 % 10 = 1
So 1582780-99-1 is a valid CAS Registry Number.

1582780-99-1Downstream Products

1582780-99-1Relevant articles and documents

Functionalized 4-carboxy- and 4-keto-2,3-dihydropyrroles via Ni(II)-catalyzed nucleophilic amine ring-opening cyclizations of cyclopropanes

Martin, M. Cynthia,Patil, Dadasaheb V.,France, Stefan

, p. 3030 - 3039 (2014/05/06)

A general synthetic approach to vinylogous 4-carboxy- and 4-keto-2,3-dihydropyrroles is reported using Ni(ClO4) 26H2O as a Lewis acid catalyst for nucleophilic amine ring-opening cyclizations of donor-acceptor (D-A) cyclopropanes. This methodology provided good to excellent yields of functionalized 2,3-dihydropyrroles under milder reaction conditions than previously reported and is amenable to a variety of D-A cyclopropanes and primary amines.

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