Histamine 2HCl is an endogenous ligand for the histamine receptor, which can cause allergic reactions by interacting with H1 receptors, promote acid secretion by interacting with H2 receptors, as well as inhibit histamine release and modulate immune responses by interacting with H3 receptors and H4 receptors. It can be used in studies related to allergy, hyperacidity, sleep disorders, asthma and many other diseases.
Molecular Weight | 184.07 |
Formula | C5H9N3.2HCl |
CAS Number | 56-92-8 |
Solubility (25°C) | Water ≥ 30 mg/mL |
Storage | 2-8°C, dry, sealed |
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.
[2] E Kovacova-Hanuskova, et al. Histamine, histamine intoxication and intolerance
[3] Lily P H Yang, et al. Histamine dihydrochloride: in the management of acute myeloid leukaemia
[5] Carlos M Galmarini. Histamine dihydrochloride (subcutaneous) Maxim
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