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DL-Norepinephrine hydrochloride

Cat. No. M40635
DL-Norepinephrine hydrochloride Structure
Size Price Availability Quantity
50mg USD 50  USD50 In stock
100mg USD 80  USD80 In stock
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Quality Control & Documentation
Biological Activity

DL-Norepinephrine hydrochloride is a synthetic phenylephrine that mimics the sympathomimetic effects of endogenous norepinephrine and is also a neurotransmitter targeting the adrenergic receptors α1 and β1, which have been shown to lower the subendocardial partial pressure of oxygen.

Chemical Information
Molecular Weight 205.64
Formula C8H12ClNO3
CAS Number 55-27-6
Form Solid
Solubility (25°C) DMSO 50 mg/mL
Storage 4°C, dry, sealed
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] R A Maxwell et al. J Pharmacol Exp Ther. Some factors determining the response of rabbit aortic strips to dl-norepinephrine-7-H3 hydrochloride and the influence of cocaine, guanethidine and methylphenidate on these factors

[2] S Motomura et al. Am J Physiol. Beta 2-adrenoceptor-mediated positive dromotropic effects on atrioventricular node of dogs

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