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95540-90-2

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95540-90-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 95540-90-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,5,5,4 and 0 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 95540-90:
(7*9)+(6*5)+(5*5)+(4*4)+(3*0)+(2*9)+(1*0)=152
152 % 10 = 2
So 95540-90-2 is a valid CAS Registry Number.

95540-90-2Relevant articles and documents

A novel synthesis of fluorine-containing cyclopentenones via Pauson-Khand reaction

Konno, Tsutomu,Kida, Takumi,Tani, Akinori,Ishihara, Takashi

, p. 147 - 156 (2013/01/15)

Intermolecular Pauson-Khand reaction of fluoroalkylated alkynes with 2-norbornene or 2,5-norbornadiene at the reflux temperature of dichloroethane proceeded smoothly to give the corresponding cyclopentenone derivatives in high yields as a mixture of regio

2-Bromo-3,3,3-trifluoropropene: A facile trifluoromethylacetylene anion synthon

Katritzky, Alan R.,Qi, Ming,Wells, Adam P.

, p. 145 - 147 (2007/10/03)

The introduction of trifluoromethylacetylene units into organic compounds has been further studied and extended. The direct reaction of two equivalents of Lithium Diisopropylamide with 2-bromo-3,3,3-trifluoropropene gave lithium trifluoromethylacetylide, the anion of which was trapped in greater than 90% overall yield with a variety of electrophiles.

NEW FLUORIDE ION-CATALYZED REACTION OF F-ALKYLACETYLENES WITH SILYL ENOL ETHERS. AN EFFICIENT ROUTE TO F-ALKYL-SUBSTITUTED PROPAPGYLIC ALCOHOLS AND α-HYDROXY KETONES

Ishihara, Takashi,Yamasaki, Yasuhiro,Ando, Teiichi

, p. 79 - 82 (2007/10/02)

Treatment of F-alkylacetylenes, generated in situ from 1H-F-1-alkenephosphonates, with silyl enol ethers in the presence of a catalytic amount of tetrabutylammonium fluoride gives good yields of F-alkyl-substituted propargyl alcohols or 4-(1H-F-alkylidene)-1,3-dioxolane derivatives, the latter being converted to the corresponding α-hydroxy ketones.

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