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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 Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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

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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
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