Chemical substance record

Transplatin

14913-33-8H₆Cl₂N₂Pt300.046 g/mol

Coordination CompoundChEBI source record

A diamminedichloroplatinum compound in which the two ammine ligands and two chloro ligands are oriented in a trans planar configuration around the central platinum ion. Unlike its cis-isomer, cisplatin, it does not exhibit any useful pharmacological effect and is toxic. — ChEBI

Safety references

Safety documents & references

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Identity & molecular properties

Source-linked values

CAS number	14913-33-8	ChEBI ↗
Molecular formula	H₆Cl₂N₂Pt	ChEBI ↗
Molar mass	300.046 g/mol	ChEBI ↗
Monoisotopic mass	298.95559 Da	ChEBI ↗
Formal charge	0	ChEBI ↗
ChEBI identifier	CHEBI:35852	ChEBI ↗

Names & structural identifiers

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Source preferred name

transplatin

IUPAC name

(SP-4-1)-diamminedichloridoplatinum

InChIKey

LXZZYRPGZAFOLE-UHFFFAOYSA-L

SMILES

[H][N]([H])([H])[Pt]([Cl])([Cl])[N]([H])([H])[H]

InChI

InChI=1S/2ClH.2H3N.Pt/h2*1H;2*1H3;/q;;;;+2/p-2

Names & synonyms

(SP-4-1)-diamminedichloridoplatinum(SP-4-1)-diamminedichloroplatinumtrans-diamminedichloridoplatinum(II)trans-diamminedichloroplatinum(II)

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

Classification & relationships

ChEBI ontology

diamminedichloroplatinumChEBI parent class · 51214 ↗

coordination entity

Roles recorded in ChEBI

antineoplastic agent

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

Amount

Input unit

Equivalent amount

0.00333282 mol

Uses 300.046 g/mol from ChEBI. Assumes the substance described by this record; no purity or concentration correction is applied.

Elemental composition

Theoretical mass fractions

Pt

Platinum · 1 atom

65.02%

Cl

Chlorine · 2 atoms

23.63%

N

Nitrogen · 2 atoms

9.34%

H

Hydrogen · 6 atoms

2.02%

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

Antibodies against cisplatin-modified DNA and cisplatin-modified (di)nucleotides. ↗Cancer chemotherapy and pharmacology · 1991 · PMID 1855275

A mass spectrometric comparison of the interactions of cisplatin and transplatin with myoglobin. ↗Journal of inorganic biochemistry · 2010 Feb · PMID 19945168

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Sources & record history

Checked 27 Sep 2026

Identity, formula, mass, synonyms & ontologyEMBL-EBI ChEBI · CHEBI:35852

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

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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