Cytidine
- Formula: C9H13N3O5
- Molecular weight: 243.2166
- IUPAC Standard InChIKey: UHDGCWIWMRVCDJ-XVFCMESISA-N
- CAS Registry Number: 65-46-3
- Chemical structure:
This structure is also available as a 2d Mol file - Other names: 1β-D-Ribofuranosylcytosine; β-D-Ribofuranoside, cytosine-1; Cyd; Cytosine riboside; Cytosine, 1-β-D-ribofuranosyl-; 2(1H)-Pyrimidinone, 4-amino-1-β-D-ribofuranosyl-; 1β-Ribofuranosylcytosine; 4-Amino-1β-D-ribofuranosyl-2(1H)-pyrimidinone; NSC 20258
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Reaction thermochemistry data
Go To: Top, Gas phase ion energetics data, UV/Visible spectrum, References, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Data compiled by: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
Note: Please consider using the reaction search for this species. This page allows searching of all reactions involving this species. A general reaction search form is also available. Future versions of this site may rely on reaction search pages in place of the enumerated reaction displays seen below.
Individual Reactions
By formula: C4H6O3 + C9H13N3O5 = C11H15N3O6 + C2H4O2
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | -43.9 | kJ/mol | Kin | Shatynski and Hanesian, 1993 | solid phase |
Gas phase ion energetics data
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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Data evaluated by: Edward P. Hunter and Sharon G. Lias
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Proton affinity (review) | 982.5 | kJ/mol | N/A | Hunter and Lias, 1998 | |
Quantity | Value | Units | Method | Reference | Comment |
Gas basicity | 950.0 | kJ/mol | N/A | Hunter and Lias, 1998 |
UV/Visible spectrum
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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Spectrum
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Additional Data
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Source | Fox and Chang, 1953 |
---|---|
Owner | INEP CP RAS, NIST OSRD Collection (C) 2007 copyright by the U.S. Secretary of Commerce on behalf of the United States of America. All rights reserved. |
Origin | INSTITUTE OF ENERGY PROBLEMS OF CHEMICAL PHYSICS, RAS |
Source reference | RAS UV No. 12360 |
Instrument | Beckman DU |
Melting point | 230-1 dec |
References
Go To: Top, Reaction thermochemistry data, Gas phase ion energetics data, UV/Visible spectrum, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Shatynski and Hanesian, 1993
Shatynski, J.J.; Hanesian, D.,
Adiabatic kinetic studies of the cytidine/acetic anhydride reaction by utilizing temperature versus time data,
Ind. Eng. Chem. Res., 1993, 32, 594-599. [all data]
Hunter and Lias, 1998
Hunter, E.P.; Lias, S.G.,
Evaluated Gas Phase Basicities and Proton Affinities of Molecules: An Update,
J. Phys. Chem. Ref. Data, 1998, 27, 3, 413-656, https://doi.org/10.1063/1.556018
. [all data]
Fox and Chang, 1953
Fox, J.J.; Chang, N.,
J. Am. Chem. Soc., 1953, 75, 4315. [all data]
Notes
Go To: Top, Reaction thermochemistry data, Gas phase ion energetics data, UV/Visible spectrum, References
- Symbols used in this document:
ΔrH° Enthalpy of reaction at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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