Methyl pyropheophorbide-a
Also known as: Pyropheophorbide a methyl ester, MPP A, Pyropheophorbide-alpha methyl ester, Methyl pyrophaeophorbide a, 3-Phorbinepropanoic acid, 9-ethenyl-14-ethyl-4,8,13,18-tetramethyl-20-oxo-, methyl ester, (3S-trans)-, NSC 267052, Pyropheophorbide α Methyl Ester
Methyl pyropheophorbide-a (CAS 6453-67-4) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C34H36N4O3 and a molecular weight of 548.675 g/mol. Key properties include a boiling point of 924.1±65.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 512.7±34.3 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 6453-67-4
- Jingsj CID
- J-1987098-5
- Molecular Formula
- C34H36N4O3
- Molecular Weight
- 548.675 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 924.1±65.0 °C at 760 mmHg |
|---|---|
| Density | 1.3±0.1 g/cm3 |
| Flash Point | 512.7±34.3 °C |
| Exact Mass | 548.278748 |
| PSA | 99.67000 |
| LogP | 6.95 |
| Vapor Pressure | 0.0±0.3 mmHg at 25°C |
| Refractive Index | 1.642 |
| Storage Conditions | -20°C |
Activity & Biological Data
| Additional Information | [1]. Sun X, et, al. Photodynamic therapy with pyropheophorbide-a methyl ester in human lung carcinoma cancer cell: efficacy, localization and apoptosis. Photochem Photobiol. 2002 Jun;75(6):644-51. [2]. Tian Y, et, al. Cell death induced by MPPa-PDT in prostate carcinoma in vitro and in vivo. Biochem Biophys Res Commun. 2006 Sep 22;348(2):413-20. |
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Frequently Asked Questions
What is the CAS number of Methyl pyropheophorbide-a?
The CAS number of Methyl pyropheophorbide-a is 6453-67-4.
What are the molecular formula and molecular weight of Methyl pyropheophorbide-a?
Methyl pyropheophorbide-a has molecular formula C34H36N4O3 and molecular weight 548.675 g/mol.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Methyl pyropheophorbide-a (CAS 6453-67-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1987098-5 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.