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95319-02-1

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95319-02-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 95319-02-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,5,3,1 and 9 respectively; the second part has 2 digits, 0 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 95319-02:
(7*9)+(6*5)+(5*3)+(4*1)+(3*9)+(2*0)+(1*2)=141
141 % 10 = 1
So 95319-02-1 is a valid CAS Registry Number.

95319-02-1Relevant articles and documents

3-Alkyl-1,2-cyclopentanediones by Negishi cross-coupling of a 3-bromo-1,2-cyclopentanedione silyl enol ether with alkylzinc reagents: An approach to 2-substituted carboxylic acid γ-lactones, homocitric and lycoperdic acids

Paju, Anne,Kostomarova, Diana,Matkevit?, Katharina,Laos, Marit,Pehk, T?nis,Kanger, T?nis,Lopp, Margus

, p. 9313 - 9320 (2015)

Negishi cross-coupling of the silyl-protected 3-bromoenol of 1,2-cyclopentanedione with primary and secondary alkylzinc reagents using Pd-catalysts affords 3-alkyl substituted 1,2-cyclopentanediones in good yield. The method was applied to obtain 3-methyl

μ-Oxo-Dinuclear-Iron(III)-Catalyzed O-Selective Acylation of Aliphatic and Aromatic Amino Alcohols and Transesterification of Tertiary Alcohols

Horikawa, Rikiya,Fujimoto, Chika,Yazaki, Ryo,Ohshima, Takashi

supporting information, p. 12278 - 12281 (2016/08/24)

A highly chemoselective and reactive μ-oxo-dinuclear iron(III) salen catalyst for transesterification was developed. The developed iron complex catalyzed acylation of aliphatic amino alcohols with nearly perfect O-selectivity, even when using activated esters, for which chemoselectivity is more difficult to control. In addition, O-selective transesterification of aromatic amino alcohols was achieved for the first time. The high activity of the iron complex enabled the use of sterically congested tertiary alcohols, including unprecedented tert-butanol.

Access to any site-directed isotopomer of methionine, selenomethionine, cysteine, and selenocysteine - Use of simple, efficient modular synthetic reaction schemes for isotope incorporation

Siebum, Arjan H. G.,Woo, Wei Sein,Raap, Jan,Lugtenburg, Johan

, p. 2905 - 2913 (2007/10/03)

Simple modular reaction schemes that allow access to any isotopomer of protected serine and homoserine have been worked out. These systems could be simply converted into cysteine, selenocysteine, homocysteine, homoselenocysteine, the essential amino acid methionine, and selenomethionine by Mitsunobu chemistry. These sulfur- and selenium-containing amino acids fulfil many essential roles in the living organism. In addition, homoserine could be converted in a few steps into optically active L-vinylglycine. As well as the stable isotopes 13C, 15N, 17O, and 18O, the radioactive isotopes of sulfur, selenium and carbon can also be easily introduced in a site-directed fashion. In view of the wide scope of the Mitsunobu reaction, we feel that many more important systems with the carbon skeleton of serine and homoserine should be preparable through this basic chemistry in any site-directed isotopically labeled form. Wiley-VCH Verlag GmbH & Co, KGaA, 69451 Weinheim, Germany, 2004.

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