Pyrvinium pamoate
扑蛲灵
Also known as: Pyrvinium embonate, Viprynium embonate, Pamovin, Molevac, Alnoxin, Altolat, Neo-oxypate, Pirvinium pamoate, 6-(dimethylamino)-2-[(E)-2-(2,5-dimethyl-1-phenyl-1H-pyrrol-3-yl)ethenyl]-1-methylquinolinium 4,4'-methylenebis(3-hydroxy-2-naphthoate) (2:1)
Pyrvinium pamoate (CAS 3546-41-6) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C26H28N3.1/2C23H14O6 and a molecular weight of 575.70 g/mol. It is also known as Pyrvinium embonate, Viprynium embonate and Pamovin. Key properties include a melting point of 210-215° (softens at 190°), a boiling point of 829.27°C (rough estimate) and a density of 1.0104 (rough estimate). It is classified under GHS with signal word Warning and hazard statements H302 — Harmful if swallowed, H312 — Harmful in contact with skin and H332 — Harmful if inhaled. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 3546-41-6
- Jingsj CID
- J-1959715-7
- Molecular Formula
- C26H28N312C23H14O6
- Chinese Name
- 扑蛲灵
- Molecular Weight
- 575.70 g/mol
- Category
- Organic Compounds
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 210-215° (softens at 190°) |
|---|---|
| Boiling Point | 829.27°C (rough estimate) |
| Density | 1.0104 (rough estimate) |
| PSA | 144.82000 |
| LogP | 12.33840 |
| Appearance | red |
| Refractive Index | 1.6400 (estimate) |
| Storage Conditions | room temp |
| Additional Property | DMSO: >10mg/mL |
GHS Safety & Compliance
- H302 — Harmful if swallowed
- H312 — Harmful in contact with skin
- H332 — Harmful if inhaled
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- H335 — May cause respiratory irritation
- H351 — Suspected of causing cancer
Activity & Biological Data
| Additional Information | [1]. Xu L, et al. WNT pathway inhibitor pyrvinium pamoate inhibits the self-renewal and metastasis of breast cancer stem cells. Int J Oncol. 2016 Mar;48(3):1175-86. [2]. Wiegering A, et al. The impact of pyrvinium pamoate on colon cancer cell viability. Int J Colorectal Dis. 2014 Oct;29(10):1189-98. [3]. Venerando A, et al. Pyrvinium pamoate does not activate protein kinase CK1, but promotes Akt/PKB down-regulation and GSK3 activation. Biochem J. 2013 May 15;452(1):131-7. [4]. Murakoshi M, et al. An anthelmintic drug, pyrvinium pamoate, thwarts fibrosis and ameliorates myocardial contractile dysfunction in a mouse model of myocardial infarction. PLoS One. 2013 Nov 4;8(11):e79374. |
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Frequently Asked Questions
What is the CAS number of Pyrvinium pamoate?
The CAS number of Pyrvinium pamoate is 3546-41-6.
What are the molecular formula and molecular weight of Pyrvinium pamoate?
Pyrvinium pamoate has molecular formula C26H28N3.1/2C23H14O6 and molecular weight 575.70 g/mol.
Is Pyrvinium pamoate hazardous?
Pyrvinium pamoate has GHS signal word Warning and hazard statements H302 — Harmful if swallowed; H312 — Harmful in contact with skin; H332 — Harmful if inhaled.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Pyrvinium pamoate (CAS 3546-41-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1959715-7 (accessed 2026-10-28).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.