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Chemical substance record

Nelarabine

121032-29-9C11H15N5O5297.271 g/mol
Organic/Inorganic Small MoleculeChEBI source record

A purine nucleoside in which O-methylguanine is attached to arabinofuranose via a β-N9-glycosidic bond. Inhibits DNA synthesis and causes cell death; a prodrug of 9-β-D-arabinofuranosylguanine (ara-G). — ChEBI

Safety references

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Identity & molecular properties

Source-linked values
CAS number121032-29-9ChEBI ↗
Molecular formulaC11H15N5O5ChEBI ↗
Molar mass297.271 g/molChEBI ↗
Monoisotopic mass297.10732 DaChEBI ↗
Formal charge0ChEBI ↗
ChEBI identifierCHEBI:63612ChEBI ↗

Cross-source molecular data

PubChem
Molar mass297.27 g/molPubChem ↗
Exact mass297.10731860 DaPubChem ↗
Computed XLogP-0.7PubChem ↗
Topological polar surface area (Ų)149PubChem ↗
H-bond donors4PubChem ↗
H-bond acceptors9PubChem ↗
Rotatable bonds3PubChem ↗

PubChem computed values are shown separately from the ChEBI record. An exact InChIKey match was used to connect the records. Molecular descriptors do not describe a supplied product’s purity, particle size or performance.

Names & structural identifiers

Copy any identifier
nelarabine
9-(beta-D-arabinofuranosyl)-6-methoxy-9H-purin-2-amine
IXOXBSCIXZEQEQ-UHTZMRCNSA-N
COc1nc(N)nc2c1ncn2[C@@H]1O[C@H](CO)[C@@H](O)[C@@H]1O
InChI=1S/C11H15N5O5/c1-20-9-5-8(14-11(12)15-9)16(3-13-5)10-7(19)6(18)4(2-17)21-10/h3-4,6-7,10,17-19H,2H2,1H3,(H2,12,14,15)/t4-,6-,7+,10-/m1/s1

Names & synonyms

9-(beta-D-arabinofuranosyl)-6-methoxy-9H-purin-2-amineArranonnelzarabine

Names are supplied by ChEBI. Trade names and related synonyms may describe a broader product context.

Classification & relationships

ChEBI ontology
purine nucleosideChEBI parent class · 26394 ↗beta-D-arabinosideChEBI parent class · 38315 ↗monosaccharide derivativeChEBI parent class · 63367 ↗
nucleosideorganic heterocyclic compoundorganic molecular entity

Roles recorded in ChEBI

antineoplastic agentprodrugDNA synthesis inhibitor

Database role annotations describe reported biological or chemical roles; they are not product approvals or recommendations for use.

Mass ↔ amount of substance

Calculated from sourced mass
Equivalent amount
0.00336393 mol

Uses 297.271 g/mol from ChEBI. Assumes the substance described by this record; no purity or concentration correction is applied.

Elemental composition

Theoretical mass fractions
C
Carbon · 11 atoms
44.44%
O
Oxygen · 5 atoms
26.91%
N
Nitrogen · 5 atoms
23.56%
H
Hydrogen · 15 atoms
5.09%

Calculated theoretical mass fractions from the reported formula and PubChem periodic-table atomic masses. These are not assay or purity results.

Research & patent references

Selected source associations
FDA drug approval summary: nelarabine (Arranon) for the treatment of T-cell lymphoblastic leukemia/lymphoma. ↗The oncologist · 2008 Jun · PMID 18586926
Nelarabine for the treatment of patients with relapsed or refractory T-cell acute lymphoblastic leukemia or lymphoblastic lymphoma. ↗Hematology/oncology clinics of North America · 2009 Oct · PMID 19825456
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Sources & record history

Checked 27 Sep 2026
EMBL-EBI ChEBI · CHEBI:63612

Release 255, 9 September 2026. ChEBI three-star (manually annotated) source entry. View original record ↗ · CC BY 4.0

NCBI PubChem · CID 3011155 · retrieved 2026-09-27

PubCAS formats source data, connects references and computes explicitly labelled conversions. CAS cross-references are supplied by ChEBI; they do not constitute CAS verification or endorsement.

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