Pharmacology and mechanism of action Indications Side effects Preparations References
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PYRVINIUM PAMOATE

Pharmacology and mechanism of action Indications Side effects Preparations References
Product Name
PYRVINIUM PAMOATE
CAS No.
3546-41-6
Chemical Name
PYRVINIUM PAMOATE
Synonyms
tru;povan;pyrcon;Poquil;povanyl;altolat;alnoxin;molevac;pamovin;sn-4395
CBNumber
CB3249600
Molecular Formula
C75H70N6O6
Formula Weight
1151.39
MOL File
3546-41-6.mol
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PYRVINIUM PAMOATE Property

Melting point:
210-215° (softens at 190°)
Boiling point:
829.27°C (rough estimate)
Density 
1.0104 (rough estimate)
refractive index 
1.6400 (estimate)
storage temp. 
2-8°C
solubility 
DMSO: >10mg/mL
form 
powder
color 
red
EPA Substance Registry System
Pyrvinium pamoate (3546-41-6)
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Safety

Hazard Codes 
Xn
Risk Statements 
20/21/22-36/37/38-40
Safety Statements 
26-36
WGK Germany 
3
HS Code 
2933492250
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Warning
Hazard statements

H315Causes skin irritation

H319Causes serious eye irritation

H335May cause respiratory irritation

H351Suspected of causing cancer

Precautionary statements

P280Wear protective gloves/protective clothing/eye protection/face protection.

P301+P312IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

P308+P313IF exposed or concerned: Get medical advice/attention.

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N-Bromosuccinimide Price

Sigma-Aldrich
Product number
P0027
Product name
Pyrvinium pamoate salt hydrate
Purity
≥98% (HPLC)
Packaging
10mg
Price
$142
Updated
2024/03/01
Sigma-Aldrich
Product number
P0027
Product name
Pyrvinium pamoate salt hydrate
Purity
≥98% (HPLC)
Packaging
50mg
Price
$557
Updated
2024/03/01
TRC
Product number
P999010
Product name
Pyrvinium pamoate
Packaging
100mg
Price
$445
Updated
2021/12/16
Biorbyt Ltd
Product number
orb573378
Product name
pyrvinium
Purity
>98%
Packaging
100mg
Price
$542.3
Updated
2021/12/16
Biorbyt Ltd
Product number
orb611523
Product name
Pyrvinium pamoate
Packaging
250mg
Price
$615.4
Updated
2021/12/16
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PYRVINIUM PAMOATE Chemical Properties,Usage,Production

Pharmacology and mechanism of action

Pyrvinium is a quaternary ammonium derivative of a cyanine dye with marked effect against Enterobius vermicularis.
The mechanism of action is not well known. The drug inhibits oxidative metabolism in the worms and interferes with the absorption of glucose in intestinal helminths. Since most intestinal worms are dependent on anaerobic carbohydrate metabolism, this may be an important action of the drug[1].
 

Indications

Infections caused by Enterobius vermicularis. Pyrvinium is largely replaced today by more effective and safer drugs such as albendazole and mebendazole.
 

Side effects

Gastrointestinal disturbances such as nausea, vomiting, dyspepsia, indigestion and abdominal pain are frequent. Allergic reactions and photosensitivity have been reported. Pyrvinium stains the stool bright red and may stain clothing if vomiting occurs. Patients should be informed about this.
 

Preparations

Pyrvinium pamoate (embonate): 450 mg of the pamoate is equivalent to 300 mg of pyrvinium.
• Povanyl ® (Parke-Davis). Oral solution 10 mg pyrvinium per ml. Tablets 50 mg pyrvinium.
• Vanquin® (Parke-Davis). Oral solution 10 mg pyrvinium per ml. Tab pyrvinium.

References

1. Buchanan RA, Barrow WB, Heffelfinger JC, Kinkel AW, Smith TC, Turner JL (1974). Pyrvinium pamoate. Clin Pharmacol Ther, 16, 716–719.

Description

Pyrvinium is a tasteless, odorless, bright orange to black, crystalline solid. It is insoluble in water or ether, slightly soluble in chloroform, and soluble in glacial acetic acid.

Uses

anthelmintic

Uses

Pyrvinium Pamoate is a potent noncompetitive inhibitor of the androgen receptor, with the application towards prostate cancer treatment. Antihelmintic.

Definition

ChEBI: Pyrvinium pamoate is a naphthoic acid. It has a role as an anticoronaviral agent.

Indications

The cation is the active part of the compound. Pyrvinium is used against pinworms (Enterobius).

brand name

Povan (Parke-Davis).

General Description

Odorless bright orange or orange-red to brownish red or almost black fluffy powder. Melting point 210-215°C. Insoluble in water. Tasteless.

Air & Water Reactions

Insoluble in water.

Reactivity Profile

PYRVINIUM PAMOATE is light sensitive. Incompatible with strong oxidizing agents, strong acids and bases .

Fire Hazard

Flash point data for PYRVINIUM PAMOATE are not available; however, PYRVINIUM PAMOATE is probably combustible.

Biochem/physiol Actions

Pyrvinium pamoate is a potent androgen receptor inhibitor. Androgen receptors (ARs) are nuclear hormone receptors/transcription factors that reside in the cytoplasm and activated by testosterone and dihydrotestosterone. AR inhibitors have potential therapeutic benefit in prostate cancer; competitive inhibitors and chemical castration methods have been discovered, but both therapies have undesirable side effects and/or resistance potential. A screen for non-competitive inhibitors was performed, resulting in the discovery of pyrvinium as an AR inhibitor. In comparison to competitive inhibitors, this compound does not bind to the ligand-binding domain of AR or block DNA occupancy by AR, but it inhibits AR-dependent gene expression via a distinct signaling mechanism. It is more potent than classical competitive AR antagonists and exhibits synergy with other AR inhibitors.

Side effects

Occasional adverse reactions are blood dyscrasia and folic acid deficiency. Rare adverse reactions are rash, vomiting, convulsion, shock, photosensitivity, and headache.

PYRVINIUM PAMOATE Preparation Products And Raw materials

Raw materials

Preparation Products

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PYRVINIUM PAMOATE Suppliers

Changzhou Redis-tech Chemical Co., Ltd
Tel
13921033785
Email
79synthon@163.com
Country
China
ProdList
70
Advantage
58
Shanghai Boyle Chemical Co., Ltd.
Tel
Fax
86-21-57758967
Email
sales@boylechem.com
Country
China
ProdList
2922
Advantage
55
3B Pharmachem (Wuhan) International Co.,Ltd.
Tel
821-50328103-801 18930552037
Fax
86-21-50328109
Email
3bsc@sina.com
Country
China
ProdList
15839
Advantage
69
Sinopharm Chemical Reagent Co,Ltd.
Tel
86-21-63210123
Fax
86-21-63290778 86-21-63218885
Email
sj_scrc@sinopharm.com
Country
China
ProdList
9815
Advantage
79
Dalian Meilun Biotech Co., Ltd.
Tel
0411-62910999 13889544652
Email
meilunui@163.com
Country
China
ProdList
4727
Advantage
58
MedChemexpress LLC
Tel
021-58955995
Fax
609-228-5909
Email
sales@medchemexpress.cn
Country
United States
ProdList
4861
Advantage
58
Shanghai TaoSu Biochemical Technology Co., Ltd.
Tel
021-33632979
Fax
021-34692979
Email
info@tsbiochem.com
Country
China
ProdList
8065
Advantage
58
Shanghai ACT chemical Limited
Tel
021-59904146 18001826933
Fax
+86-21-59904146
Email
sales@actchemical.com
Country
China
ProdList
476
Advantage
56
Sigma-Aldrich
Tel
021-61415566 800-8193336
Email
orderCN@merckgroup.com
Country
China
ProdList
51456
Advantage
80
Shanghai EFE Biological Technology Co., Ltd.
Tel
021-65675885 18964387627
Fax
021-65675885
Email
info@efebio.com
Country
China
ProdList
9806
Advantage
58
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View Lastest Price from PYRVINIUM PAMOATE manufacturers

Shaanxi Dideu Medichem Co. Ltd
Product
Pyrvinium pamoate 3546-41-6
Price
US $1.00/Kg
Min. Order
1Kg
Purity
98%
Supply Ability
20T
Release date
2024-07-19
Dideu Industries Group Limited
Product
PYRVINIUM PAMOATE 3546-41-6
Price
US $1.10/g
Min. Order
1g
Purity
99.9%
Supply Ability
100 Tons Min
Release date
2021-06-18
Shaanxi Dideu Medichem Co. Ltd
Product
Pyrvinium Pamoate 3546-41-6
Price
US $0.00-0.00/Kg
Min. Order
1KG
Purity
99.0%
Supply Ability
500 tons
Release date
2020-04-27

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