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B157

Sigma-Aldrich

BQ-788

≥95%, solid

Synonym(s):

2,6-Dimethylpiperidinecarbonyl-γ-Methyl-Leu-Nin-(Methoxycarbonyl)-D-Trp-D-Nle, N-[N-[N-[(2,6-Dimethyl-1-piperidinyl)carbonyl]-4-methyl-L-leucyl]-1-(methoxycarbonyl)-D-tryptophyl]-D-norleucine sodium salt

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About This Item

Empirical Formula (Hill Notation):
C34H50N5NaO7
CAS Number:
156161-89-6
Molecular Weight:
663.78
MDL number:
MFCD00797882
UNSPSC Code:
12352200
PubChem Substance ID:
329773192
NACRES:
NA.32

Quality Level

200

assay

≥95%

form

solid

color

white

solubility

acetonitrile: 0.3 mg/mL
DMSO: 1.2 mg/mL
ethanol: 1.2 mg/mL
H2O: slightly soluble

storage temp.

−20°C

SMILES string

[Na+].CCCC[C@@H](NC(=O)[C@@H](Cc1cn(C(=O)OC)c2ccccc12)NC(=O)[C@H](CC(C)(C)C)NC(=O)N3[C@@H](C)CCC[C@H]3C)C([O-])=O

InChI

1S/C34H51N5O7.Na/c1-8-9-16-25(31(42)43)35-29(40)26(18-23-20-38(33(45)46-7)28-17-11-10-15-24(23)28)36-30(41)27(19-34(4,5)6)37-32(44)39-21(2)13-12-14-22(39)3;/h10-11,15,17,20-22,25-27H,8-9,12-14,16,18-19H2,1-7H3,(H,35,40)(H,36,41)(H,37,44)(H,42,43);/q;+1/p-1/t21-,22+,25-,26-,27+;/m1./s1

InChI key

QCVIFBRTTLMEOV-FUKQNADPSA-M

Gene Information

human ... EDNRB(1910)
mouse ... EDNRB(13618)
rat ... EDNRB(50672)

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Application

BQ-788 has been used as a selective endothelin-B (ETRB) blocker in human airway smooth muscle cells (HASMCs), uterine mesothelial cells (UtMCs)-derived vascular smooth muscle cells (VSMCs), and human umbilical vein endothelial cells (HUVECs)

Biochem/physiol Actions

Selective ETB endothelin receptor antagonist.

Storage Class

11 - Combustible Solids

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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USP

USP

1076115

Bosentan

Endothelin 1, Human and Porcine Endothelin 1, Human and Porcine, CAS 117399-94-7, is a 21-amino acid polypeptide with potent vasoconstrictive action. Activates phospholipase C in fibroblasts expressing ETA receptors.

Sigma-Aldrich

05-23-3800

Endothelin 1, Human and Porcine

Christian Claude Lachaud et al.
PloS one, 8(2), e55181-e55181 (2013-02-14)
In mammalian visceral organs, vascular smooth muscle cells (VSMCs) originate from an epithelial-to-mesenchymal transition (EMT) of embryonic mesothelial cells (MCs). The ability of adult MCs to recapitulate EMT and to acquire smooth muscle (SM) markers upon provasculogenic culture suggested they
Emilia Kansanen et al.
Molecular pharmacology, 92(4), 481-490 (2017-08-06)
Nitro-fatty acids are reactive signaling mediators that are formed when unsaturated fatty acids react with nitric oxide or nitric oxide-derived species. Nitro-fatty acids can modify specific signaling pathways via post-translational modifications of Cys residues in key regulatory proteins. One of
Lenyta Oliveira Gomes et al.
The Journal of pharmacy and pharmacology, 70(7), 893-900 (2018-03-24)
This study assessed the ability of endothelin-1 (ET-1) to evoke heat hyperalgesia when injected directly into the trigeminal ganglia (TG) of mice and determined the receptors implicated in this effect. The effects of TG ETA and ETB receptor blockade on
Christophe Faisy et al.
Critical care (London, England), 15(5), R208-R208 (2011-09-15)
Lung inflation may have deleterious effects on the alveoli during mechanical ventilation. However, the consequences of stretch during excessive lung inflation on basal tone and responsiveness of human bronchi are unknown. This study was undertaken to devise an experimental model
Zhuo Wang et al.
PloS one, 8(3), e58078-e58078 (2013-04-05)
Obstructive sleep apnoea (OSA) is a risk factor for cardiovascular disorders and in some cases is complication of pulmonary hypertension. We simulated OSA by exposing rats to cyclic intermittent hypoxia (CIH) to investigate its effect on pulmonary vascular endothelial dysfunction.
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