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4-Hydroxyretinoic acid

Cat. No. M42599
4-Hydroxyretinoic acid Structure
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Biological Activity

4-Hydroxyretinoic acid (4-HRA) is a naturally occurring retinoid derivative with diverse biological effects.

Chemical Information
Molecular Weight 316.43
Formula C20H28O3
CAS Number 66592-72-1
Form Solid
Storage -80°C
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] V M Samokyszyn et al. J Biol Chem. 4-hydroxyretinoic acid, a novel substrate for human liver microsomal UDP-glucuronosyltransferase(s) and recombinant UGT2B7

[2] F M Vane et al. Drug Metab Dispos. Identification of 4-oxo-13-cis-retinoic acid as the major metabolite of 13-cis-retinoic acid in human blood

[3] P A Spear et al. Can J Physiol Pharmacol. Increased retinoic acid metabolism following 3,3',4,4',5,5'-hexabromobiphenyl injection

[4] E A Duell et al. J Clin Invest. Human skin levels of retinoic acid and cytochrome P-450-derived 4-hydroxyretinoic acid after topical application of retinoic acid in vivo compared to concentrations required to stimulate retinoic acid receptor-mediated transcription in vitro

[5] C A Frolik et al. Biochemistry. Isolation and identification of 4-hydroxy- and 4-oxoretinoic acid. In vitro metabolites of all-trans-retinoic acid in hamster trachea and liver

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