Library

CDP

Athanor · official

C9H15N3O11P2 · 403.18 g/mol

IUPAC name: [(2R,3S,4R,5R)-5-(4-amino-2-oxopyrimidin-1-yl)-3,4-dihydroxyoxolan-2-yl]methyl phosphono hydrogen phosphate

Also called cytidine diphosphate

Open in Athanor
The structure of CDP
Drawn from its SMILES with RDKit

Names and identifiers

IUPAC name
[(2R,3S,4R,5R)-5-(4-amino-2-oxopyrimidin-1-yl)-3,4-dihydroxyoxolan-2-yl]methyl phosphono hydrogen phosphate
Synonyms
cytidine diphosphate, cytidine-5'-diphosphate, Cytidine diphosphate
+ 35 more

5'-CDP, 1ZH821MXU5, [(2R,3S,4R,5R)-5-(4-amino-2-oxopyrimidin-1-yl)-3,4-dihydroxyoxolan-2-yl]methyl phosphono hydrogen phosphate, DTXSID501014481, ((2R,3S,4R,5R)-5-(4-amino-2-oxopyrimidin-1-yl)-3,4-dihydroxyoxolan-2-yl)methyl phosphono hydrogen phosphate, Diphosphate, Cytidine, RefChem:130309, DTXCID001437064, disodium;((5-(4-amino-2-keto-pyrimidin-1-yl)-3,4-dihydroxy-tetrahydrofuran-2-yl)methoxy-oxido-phosphoryl) hydrogen phosphate, Cytidine 5'-diphosphate, Cytidine 5'-(trihydrogen diphosphate), Cytidine coenzyme, Cytidine 5'-pyrophosphate, Cytidine 5'-diphosphoric acid, Cytidine 5'-pyrophosphoric acid, Sulbactum sodium, cytidine-diphosphate, BRN 0063920, Cytidine pyrophosphate, CYTIDINE, 5'-(TRIHYDROGEN PYROPHOSPHATE), CHEMBL425252, Cytidine 5'-(trihydrogen pyrophosphate), [({[(2R,3S,4R,5R)-5-(4-amino-2-oxo-1,2-dihydropyrimidin-1-yl)-3,4-dihydroxyoxolan-2-yl]methoxy}(hydroxy)phosphoryl)oxy]phosphonic acid, Cytidine 5'-diphosphate disodium, ((2R,3S,4R,5R)-5-(4-amino-2-oxopyrimidin-1(2H)-yl)-3,4-dihydroxytetrahydrofuran-2-yl)methyl trihydrogen diphosphate, C9H15N3O11P2, EINECS 200-557-1, UNII-1ZH821MXU5, Cyclazosin Impurity 2, Cytidine 5 -diphosphate, [3h]cytidine diphosphate, bmse000272, Cytidine 5''-pyrophosphate, 4-25-00-03675 (Beilstein Handbook Reference), Cytidine pyrophosphate (6CI)

Molecular formula
C9H15N3O11P2
Empirical formula
C9H15N3O11P2
Molecular weight
403.18 g/mol
Exact mass
403.01818
CAS number
63-38-7
PubChem CID
6132
Canonical SMILES
C1=CN(C(=O)N=C1N)C2C(C(C(O2)COP(=O)(O)OP(=O)(O)O)O)O
Isomeric SMILES
C1=CN(C(=O)N=C1N)[C@H]2[C@@H]([C@@H]([C@H](O2)COP(=O)(O)OP(=O)(O)O)O)O
InChI
InChI=1S/C9H15N3O11P2/c10-5-1-2-12(9(15)11-5)8-7(14)6(13)4(22-8)3-21-25(19,20)23-24(16,17)18/h1-2,4,6-8,13-14H,3H2,(H,19,20)(H2,10,11,15)(H2,16,17,18)/t4-,6-,7-,8-/m1/s1
InChIKey
ZWIADYZPOWUWEW-XVFCMESISA-N
Molfile

Names, InChI and the identifiers from PubChem, retrieved 2026-10-14.

Calculated

Heavy atoms
25
Rings
2
Aromatic rings
1
Fraction sp³ carbons (Fsp3)
0.56
H-bond donors
6
H-bond acceptors
10 computed here · PubChem 11
Rotatable bonds
6
TPSA (Ų)
223.9 computed here · PubChem 222
Formal charge
0
XLogP3
-4.5 PubChem
Complexity
690 PubChem
Stereocenters
4 defined, 1 undefinedCIP: C6: R · C8: R · P11: undefined · C19: S · C21: R
Double-bond geometry
None specified
Point group
C1 of one 3D conformer with its hydrogens, by Athanor’s engine (as in the app)

Elemental analysis

  • C26.81%
  • H3.75%
  • N10.42%
  • O43.65%
  • P15.36%

Isotope pattern

100%403.01811%404.0212.9%405.023406.025

Each peak is a nominal mass with its abundance-weighted exact mass, as a percentage of the tallest, from IUPAC natural isotope abundances.

Computed from the structure with RDKit 2026.09 when this page was built, beside PubChem's own computed values from its record; where the two differ, both are shown.

Predicted

log P
-2.33 Crippen (Wildman and Crippen 1999)
log S (water solubility)
-0.65 ESOL (Delaney 2004), log mol/L
Synthetic accessibility
4.14 SA score, 1 easy to 10 hard (Ertl and Schuffenhauer 2009)

Drug-likeness: Lipinski’s rule of five

  • Molecular weight ≤ 500: 403.18
  • log P ≤ 5 (Crippen): -2.33
  • H-bond donors ≤ 5: 6
  • H-bond acceptors ≤ 10: 10

Breaks 1 of the four rules.

¹³C NMR shifts, predicted

Predictions, not measurements; each names its method. A measured log P, where a source reports one, is under Physical properties.

Safety

No GHS hazard classification was found in the sources.

Safety data sheets on the supplier’s page: DC Chemicals, BOC Sciences, Smolecule.

Always read the supplier’s safety data sheet before working with it.

Spectra

Experimental spectra held by these sources; each link opens the source's own record.

Literature

Reading PubChem, OpenAlex and GSRS…

Bioactivity

Reading ChEMBL…

References

  1. [1]Human Metabolome Database (HMDB) · Linked only · via PubChem · retrieved 2026-10-14
  2. [2]SpectraBase · Linked only · via PubChem · retrieved 2026-10-14
  3. [3]NIST Mass Spectrometry Data Center · Linked only · via PubChem · retrieved 2026-10-14
  4. [4]MassBank Europe · Linked only · via PubChem · retrieved 2026-10-14
  5. [5]MassBank of North America (MoNA) · CC BY 4.0 · via PubChem · retrieved 2026-10-14
  6. ·Calculated values: computed by Athanor with RDKit 2026.09 from the structure.
  7. ·Literature on PubChem

Data last updated 2026-10-14.