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91077-15-5

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91077-15-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 91077-15-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,1,0,7 and 7 respectively; the second part has 2 digits, 1 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 91077-15:
(7*9)+(6*1)+(5*0)+(4*7)+(3*7)+(2*1)+(1*5)=125
125 % 10 = 5
So 91077-15-5 is a valid CAS Registry Number.

91077-15-5Downstream Products

91077-15-5Relevant articles and documents

Conversion of 2-Sulfinylated 2-Alkenoate Esters to (2E,4E)-2,4-Alkadienoate Esters by Pyrolysis

Tanikaga, Rikuhei,Nozaki, Yoshihito,Nishida, Masaharu,Kaji, Aritsune

, p. 729 - 733 (2007/10/02)

Thermal reaction of ethyl (2E)-2-phenylsulfinyl-2-alkenoates (E-2) prepared from aldehydes and ethyl 2-phenylsulfinylacetate have been investigated.Refluxing of E-2 or their Z-isomers in xylene resulted in the formation of ethyl (2E,4E)-2,4-alkanedioates accompanied by ethyl (2E)-4-hydroxy-2-alkenoates.Ethyl 2-cycloalkylidene-2-phenylsulfinylacetates were found to be more susceptible to pyrolysis.The enoate esters (2) undergo migration of their carbon-carbon double bond and then sigmatropic rearrangement to benzenesulfenate esters, followed by thermolytic extrusion of a benzenesulfenic acid probably via ethyl(2E)-4-phenylsulfinyl-2-alkenoates to afford ethyl (2E,4E)-2,4-alkadienoates.

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