An anticholinergic agent
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Homatropine (hydrobromide)

Item No. 30359

Technical Information
Formal Name
α-hydroxy-benzeneacetic acid (3-endo)-8-methyl-8-azabicyclo[3.2.1]oct-3-yl ester, monohydrobromide
CAS Number
51-56-9
Synonyms
  • (±)-Homatropine
Molecular Formula
C16H21NO3 • HBr
Formula Weight
Purity
≥98%
A crystalline solid
DMSO: 1 mg/mlPBS (pH 7.2): 10 mg/ml
SMILES
O=C(C(O)C1=CC=CC=C1)O[C@H]2C[C@H](N3C)CC[C@H]3C2.Br
InChi Code
InChI=1S/C16H21NO3.BrH/c1-17-12-7-8-13(17)10-14(9-12)20-16(19)15(18)11-5-3-2-4-6-11;/h2-6,12-15,18H,7-10H2,1H3;1H/t12-,13+,14+,15?;
InChi Key
DWSGTFTVBLXELC-RDYJJYPNSA-N
Shipping & Storage Information
Storage
-20°C
Shipping
Room temperature in continental US; may vary elsewhere
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    Product Description

    Homatropine is an anticholinergic agent.1,2 It reduces acetylcholine-induced contractions of isolated goat detrusor muscle strips when used at a concentration of 5 µM.1 Homatropine (1 µM) inhibits acetylcholine- or methacholine-induced contraction of isolated rat anococcygeus muscle.2 It inhibits serotonin- or thrombin-induced platelet aggregation in isolated sheep platelet-rich plasma (IC50s = 4.3 and 100 µM, respectively).3 Topical ophthalmic administration of homatropine induces partial mydriasis in Angora goats.4

    WARNING This product is not for human or veterinary use.

    References & Product Citations
    Product Description References

    1. George, N., Shiny, P.J., Miriam, J., et alInhibitory effect of anticholinergics on the contraction of isolated caprine urinary bladder detrusor muscle. Auton. Autacoid Pharmacol. 30(3), 173-177 (2010).

    2. Doggrell, S.A. Effect of antimuscarinic agents on the contractile responses to cholinomimetics in the rat anococcygeus muscle. Br. J. Pharmac. 73(4), 829-835 (1981).

    3. Michal, F., and Penglis, F. Inhibition of serotonin-induced platelet aggregation in relation to thrombus production. J. Pharm. Exp. Ther. 166(2), 276-284 (1969).

    4. Whelan, N.C., Castillo-Alcala, F., and Lizarraga, I. Efficacy of tropicamide, homatropine, cyclopentolate, atropine and hyoscine as mydriatics in Angora goats. N.Z. Vet. J. 59(6), 328-331 (2011).