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129423-31-0

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129423-31-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 129423-31-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,9,4,2 and 3 respectively; the second part has 2 digits, 3 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 129423-31:
(8*1)+(7*2)+(6*9)+(5*4)+(4*2)+(3*3)+(2*3)+(1*1)=120
120 % 10 = 0
So 129423-31-0 is a valid CAS Registry Number.

129423-31-0Relevant articles and documents

Diasteroselective preparation of cyclopropanols using methylene bis(iodozinc)

Cheng, Kevin,Carroll, Patrick J.,Walsh, Patrick J.

, p. 2346 - 2349 (2011)

Chemical equations presented. A diastereoselective synthesis of trans-2-substituted cyclopropanols is outlined. Bimetallic CH 2(ZnI)2 was found to react with α-chloroaldehydes to give cyclopropanols in yields of 64-89% and dr's ≥ 10:

Synthesis of 3,5-Disubstituted 1,2-Dioxolanes through the Use of Acetoxy Peroxyacetals

Pinet, Alexis,Nguyen, Thuy Linh,Bernadat, Guillaume,Figadère, Bruno,Ferrié, Laurent

supporting information, p. 4729 - 4733 (2019/06/27)

The synthesis of acetoxyendoperoxyacetal derivatives allowed the formation of functionalized 3,5-disubstituted 1,2-dioxolanes through the formation of reactive peroxycarbenium species under Lewis acid mediation. The introduction of a neutral nucleophile s

Asymmetric Cyclopropanation of 1-Alkenylboronic Esters and Its Application to the Synthesis of Optically Active Cyclopropanols

Imai, Toshiro,Mineta, Hiroshi,Nishida, Shinya

, p. 4986 - 4988 (2007/10/02)

The first asymmetric cyclopropanation of 1-alkenylboronic esters was realized by diastereofacial selective Simmons-Smith reaction of the esters modified by enantiomerically pure diols such as tetramethyltartaramide.Subsequent oxidation of the resulting cyclopropylboronates gave optically active 2-substituted cyclopropanols in 73-94percent ee.These reactive compounds possess high synthetic potential.

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