BQ-123-[13C6,15N]

SL-1179

BQ-123-[¹³C₆,¹⁵N], >98% (CP)

Isotopic Purity : 98 atom % 13C and 98 atom % 15N

Related CAS No. : [136553-81-6] of the unlabelled compound

Synonyms : Cyclo(-D-Trp-D-Asp-Pro-D-Val-Leu-[¹³C₆,¹⁵N]); Cyclo(Trp-Asp-Pro-Val-Leu-[¹³C₆,¹⁵N])

IUPAC Name : Cyclo(D-alpha-aspartyl-L-prolyl-D-valyl-L-leucyl-[¹³C₆, ¹⁵N]-D-tryptophyl)

Price And Availability
Pack Size	Price in USD	Add To Shopping Cart	Availability	Shipping Status
5MG	Request A Quote		Back Order	Estimated to ship on 01 November 2026
10MG	Request A Quote		Back Order	Estimated to ship on 01 November 2026
25MG	Request A Quote		Back Order	Estimated to ship on 01 November 2026

Applications : This is a labelled version of BQ-123, which is a highly potent, selective, and competitive ET_A (endothelin) receptor antagonist (K_i = 40 nM for ET_A versus K_i = 2.5 μM for ET_B).

References : Nambi P. et al.: J. Pharmacol. Exp. Ther. 277, 1567,1996; Bax W. A. et al.: Trends Pharmacol. Sci. 15, 379, 1994; Ihara M. et al.: Biochem. Biophys. Res. Commun. 178, 132, 1991.

Storage : Keep container tightly closed under nitrogen or argon and refrigerate for long-term shelf life.

Caution : In case of contact with skin or eyes, rinse immediately with plenty of water and seek medical advice. Wear suitable protective clothing and gloves.