Cisplatin
A diamminedichloroplatinum compound in which the two ammine ligands and two chloro ligands are oriented in a cis planar configuration around the central platinum ion. An anticancer drug that interacts with, and forms cross-links between, DNA and proteins, it is used as a neoplasm inhibitor to treat solid tumours, primarily of the testis and ovary. Commonly but incorrectly described as an alkylating agent due to its mechanism of action (but it lacks alkyl groups). — ChEBI
Safety documents & references
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Identity & molecular properties
Source-linked values| CAS number | 15663-27-1 | 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:27899 | ChEBI ↗ |
Cross-source molecular data
PubChem| Molar mass | 300.05 g/mol | PubChem ↗ |
| Exact mass | 298.955598 Da | PubChem ↗ |
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 identifiercisplatin(SP-4-2)-diamminedichloridoplatinumLXZZYRPGZAFOLE-UHFFFAOYSA-L[H][N]([H])([H])[Pt]([Cl])([Cl])[N]([H])([H])[H]InChI=1S/2ClH.2H3N.Pt/h2*1H;2*1H3;/q;;;;+2/p-2Names & synonyms
Names are supplied by ChEBI. Trade names and related synonyms may describe a broader product context.
Classification & relationships
ChEBI ontologyRoles recorded in ChEBI
Database role annotations describe reported biological or chemical roles; they are not product approvals or recommendations for use.
Safety classification · Japan
NITE / Japanese government(SP-4-2)-Diamminedichloroplatinum (Cisplatin) · H30-C-023-MHLW
| Endpoint | Reported classification |
|---|---|
| Carcinogenicity | Category 1B |
Selected source-reported endpoints. Other endpoints, rationales and conditions remain in the original classification. Missing or unlisted information does not mean non-hazardous. This is not a global classification or transport decision.
Read the original NITE classificationMass ↔ amount of substance
Calculated from sourced massUses 300.046 g/mol from ChEBI. Assumes the substance described by this record; no purity or concentration correction is applied.
Elemental composition
Theoretical mass fractionsPtClNHCalculated 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 associationsSources & record history
Checked 27 Sep 2026Release 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.