3-Methylcholanthrene
3-Methylcholanthrene (CAS: 56-49-5) is a polycyclic aromatic hydrocarbon with the molecular formula C21H16 and a molecular weight of 268.35 g/mol. It is a potent chemical carcinogen primarily utilised in scientific research settings for its ability to induce tumours in experimental models. This compound serves as a critical tool in cancer research, aiding in the study of carcinogenesis and the development of potential therapeutic strategies.

Carcinogenesis Research
3-Methylcholanthrene is widely employed as a chemical carcinogen in laboratory studies to investigate the mechanisms of tumour initiation and progression. Its administration to experimental animals is a standard method for inducing various types of cancers, providing insights into disease development.
Cell Biology Studies
This compound is used in cell biology research to explore cellular responses to genotoxic agents and mutagens. It helps scientists understand DNA damage, repair pathways, and cellular transformation processes that can lead to cancer.
Toxicology and Pharmacology
Researchers utilise 3-Methylcholanthrene to study the toxicological effects of polycyclic aromatic hydrocarbons and to evaluate the efficacy of potential anticancer drugs or chemopreventive agents in preclinical models.
| Molecular weight | 268.35 |
|---|---|
| Empirical formula | C21H16 |
| Assay | 98% |
| Boiling point | 280 °C/80 mmHg(lit.) |
| Melting point | 178-180 °C(lit.) |

Hazard statements
- H350May cause cancer
- H413May cause long-lasting harmful effects to aquatic life
Precautionary statements
- P201Obtain special instructions before use
- P308IF exposed or concerned
| Protective equipment | Eyeshields, full-face particle respirator type N100 (US), Gloves, respirator cartridge type N100 (US), type P1 (EN143) respirator filter, type P3 (EN 143) respirator cartridges |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | T |
| Risk statements (R) | 45-53 |
| Safety statements (S) | 53-36/37/39-45 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is 3-Methylcholanthrene used for?
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3-Methylcholanthrene is primarily used in scientific research, particularly in cancer research, cell biology studies, and toxicology, to investigate carcinogenesis and cellular responses to mutagens.
What are the CAS number and formula for 3-Methylcholanthrene?
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The CAS number for 3-Methylcholanthrene is 56-49-5, and its molecular formula is C21H16.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 3-Methylcholanthrene with an assay of 98%. This product is intended for research purposes and is not represented as USP, BP, EP, or any other pharmacopoeia grade.
What are the safety considerations when handling 3-Methylcholanthrene?
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3-Methylcholanthrene is classified as a carcinogen (H350) and may cause long-lasting harmful effects to aquatic life (H413). Strict handling precautions are essential, including the use of appropriate personal protective equipment such as eyeshields, gloves, and respiratory protection (e.g., N100 or P3 filters), and working in a well-ventilated area or fume hood.
How is 3-Methylcholanthrene packed and shipped?
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As a specialist global supplier, Tech Serve Solutions ensures that 3-Methylcholanthrene is packaged and exported in compliance with all relevant international regulations for hazardous materials.
How can I request a sample or quote for 3-Methylcholanthrene?
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To request a sample or a quote for 3-Methylcholanthrene, please contact our sales team through the website or by phone, providing your specific requirements.
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