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111549-48-5

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111549-48-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 111549-48-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,1,5,4 and 9 respectively; the second part has 2 digits, 4 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 111549-48:
(8*1)+(7*1)+(6*1)+(5*5)+(4*4)+(3*9)+(2*4)+(1*8)=105
105 % 10 = 5
So 111549-48-5 is a valid CAS Registry Number.

111549-48-5Upstream product

111549-48-5Downstream Products

111549-48-5Relevant articles and documents

Application of Low Energy CID in the Determination of Structures of + Ions Obtained From Diethyl Halosuccinates Under Electron Impact

Weisz, A.,Mandelbaum, A.,Blum, W.,Domon, B.,Muller, D,et. al.

, p. 61 - 63 (2007/10/02)

Low energy collision induced dissociation (CID) spectra indicate that m/z 173 ions formed by the loss of a halogen atom from diethyl chloro- and bromo-succinate under electron impact are mixtures of O-protonated diethyl maleate (>90percent) and fumarate (+ ion obtained from diethyl iodosuccinate shows that only a small fraction of the + ions are the O-protonated species formed by hydrogen migration.The result of this study demonstrate the potential of low energy CID in the determination of structure (including configuration) of gas phase ions.

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