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Prifinium bromide 

Cat. No. M30121
Prifinium bromide  Structure
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Biological Activity

Prifinium bromide is antimuscarinic agent with antispasmodic, antiemetic effect.

Chemical Information
Molecular Weight 386.37
Formula C22H28BrN
CAS Number 4630-95-9
Storage Please store the product under the recommended conditions in the Certificate of Analysis.
Conversion of different model animals based on BSA (PMID: 27057123)
Species Mouse Rat Rabbit Guinea pig Hamster Dog
Weight (kg) 0.02 0.15 1.8 0.4 0.08 10
Body Surface Area (m2) 0.007 0.025 0.15 0.05 0.02 0.5
Km factor 3 6 12 8 5 20
Animal A (mg/kg) = Animal B (mg/kg) multiplied by  Animal B Km
Animal A Km

For example, to modify the dose of Compound A used for a mouse (20 mg/kg) to a dose based on the BSA for a rat, multiply 20 mg/kg by the Km factor for a mouse and then divide by the Km factor for a rat. This calculation results in a rat equivalent dose for Compound A of 10 mg/kg.

References

[1] M Moriyoshi, et al. J Vet Med Sci. Induction of parturition in bitches with minimal side effects by two injections of a low dose of fenprostalene, a prostaglandin F2alpha analogue, and pretreatment with prifinium bromide

[2] D Sasaki, et al. Gastroenterol Jpn. Anti-spasmodic effect of prifinium bromide on the proximal and distal colon in patients with diverticular disease

[3] T Terai, et al. Arzneimittelforschung. Effects of the anticholinergic drug prifinium bromide on urinary bladder contractions in rat in vivo and in guinea-pig in vitro

[4] W Silber. S Afr Med J. Prifinium bromide - a new antispasmodic

[5] G Piai, et al. Gastroenterology. Prifinium bromide in the treatment of the irritable colon syndrome

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