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155200-44-5

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155200-44-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 155200-44-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,5,2,0 and 0 respectively; the second part has 2 digits, 4 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 155200-44:
(8*1)+(7*5)+(6*5)+(5*2)+(4*0)+(3*0)+(2*4)+(1*4)=95
95 % 10 = 5
So 155200-44-5 is a valid CAS Registry Number.

155200-44-5Downstream Products

155200-44-5Relevant articles and documents

Reaction of enol ethers with lead tetraacetate : An improved method for the synthesis of α- methoxy ketones

Singh,Singh,Dikshit

, p. 45 - 49 (1998)

The reaction of cyclic enol ethers with lead tetraacetate in methanol in the presence of BF3.Et2O at 0°C gives α- methoxy cyclic ketones.

Ketone homologation to produce α-methoxyketones: Application to conduritol synthesis

Phillipson, Neil,Anson, Michael S.,Montana, John G.,Taylor, Richard J. K.

, p. 2821 - 2829 (2007/10/03)

The scope of Trost's sulfone homologation procedure for the conversion of ketones into their α-methoxylated higher homologues has been dramatically expanded. The use of zirconium (or hafnium) tetrachloride in the hydroxy sulfone rearrangement step gives g

ERZEUGUNG UND CYCLOADDITION VON ALLYLIUMIONEN AUS α-HALOGENKETONEN UNTER SOLVOLYSE-BEDINGUNGEN

Foehlisch, Baldur,Gottstein, Wolfgang,Kaiser, Roland,Wanner, Iris

, p. 3005 - 3009 (2007/10/02)

Some α-haloketones react with furan in methanolic solution in the presence of base to form the 3-oxo-8-oxabicyclooct-6-enes (11), the products derived from a cycloaddition of an allylium intermediate (5 or 6).

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