A TP antagonist
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Daltroban

Item No. 14061

Technical Information
Formal Name
4-[2-[[(4-chlorophenyl)sulfonyl]amino]ethyl]-benzeneacetic acid
CAS Number
79094-20-5
Synonyms
  • BM 13505
  • SKF 96148
Molecular Formula
C16H16ClNO4S
Formula Weight
Purity
≥98%
Formulation
A solid
λmax
222 nm
SMILES
O=S(NCCC1=CC=C(CC(O)=O)C=C1)(C2=CC=C(Cl)C=C2)=O
InChi Code
InChI=1S/C16H16ClNO4S/c17-14-5-7-15(8-6-14)23(21,22)18-10-9-12-1-3-13(4-2-12)11-16(19)20/h1-8,18H,9-11H2,(H,19,20)
InChi Key
IULOBWFWYDMECP-UHFFFAOYSA-N
Shipping & Storage Information
Storage
-20°C
Shipping
Room temperature in continental US; may vary elsewhere
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    Product Description

    Daltroban is a thromboxane receptor (TP) antagonist.1 It inhibits aggregation of isolated human platelets induced by the TP agonist U-46619 (Item no. 16450; IC50 = 77 nM). Daltroban increases mean pulmonary arterial pressure (MPAP), mean arterial pressure (MAP), and hematocrit levels in anesthetized rats (ED50s = 20, 217, and 94 µg/kg, respectively). It maintains post-reinfusion MAP and superior mesenteric artery flow in a cat model of hemorrhagic shock when administered at a dose of 1 mg/kg.2 Daltroban (0.25-2 mg/kg) increases survival and decreases circulating platelet count in a rabbit model of sodium arachidonate-induced sudden death.3

    WARNING This product is not for human or veterinary use.

    References & Product Citations
    Product Description References

    1. Bertolino, F., Valentin, J.P., Maffre, M., et alIntrinsic activity of the non-prostanoid thromboxane A2 receptor antagonist, daltroban (BM 13,505), in human platelets in vitro and in the rat vasculature in vivo. Br. J. Pharmacol. 115, 210-216 (1995).

    2. Bitterman, H., Yanagisawa, A., and Lefer, A.M. Beneficial actions of thromboxane receptor antagonism in hemorrhagic shock. Circ. Shock 20(1), 1-11 (1986).

    3. Lefer, D.J., Mentley, R.K., and Lefer, A.M. Protective effects of a new specific thromboxane antagonist in arachidonate-induced sudden death. Arch. Int. Pharmacodyn. Ther. 287(1), 89-95 (1987).