Skip to Content
Merck
All Photos(1)

Key Documents

N4143

Sigma-Aldrich

Neurokinin B

≥95% (HPLC)

Synonym(s):

β-Neurokinin, Neuromedin K

Sign Into View Organizational & Contract Pricing


About This Item

Empirical Formula (Hill Notation):
C55H79N13O14S2
CAS Number:
Molecular Weight:
1210.42
MDL number:
UNSPSC Code:
51111800
PubChem Substance ID:
NACRES:
NA.32

Quality Level

Assay

≥95% (HPLC)

form

powder

UniProt accession no.

storage temp.

−20°C

SMILES string

CSCCC(NC(=O)C(CC(C)C)NC(=O)CNC(=O)C(NC(=O)C(Cc1ccccc1)NC(=O)C(Cc2ccccc2)NC(=O)C(CC(O)=O)NC(=O)C(Cc3cnc[nH]3)NC(=O)C(CCSC)NC(=O)C(N)CC(O)=O)C(C)C)C(N)=O

InChI

1S/C55H79N13O14S2/c1-30(2)21-38(50(77)62-36(47(57)74)17-19-83-5)61-43(69)28-59-55(82)46(31(3)4)68-54(81)40(23-33-15-11-8-12-16-33)65-51(78)39(22-32-13-9-7-10-14-32)64-53(80)42(26-45(72)73)67-52(79)41(24-34-27-58-29-60-34)66-49(76)37(18-20-84-6)63-48(75)35(56)25-44(70)71/h7-16,27,29-31,35-42,46H,17-26,28,56H2,1-6H3,(H2,57,74)(H,58,60)(H,59,82)(H,61,69)(H,62,77)(H,63,75)(H,64,80)(H,65,78)(H,66,76)(H,67,79)(H,68,81)(H,70,71)(H,72,73)

InChI key

NHXYSAFTNPANFK-UHFFFAOYSA-N

Gene Information

human ... TAC3(6866)

Looking for similar products? Visit Product Comparison Guide

Amino Acid Sequence

Asp-Met-His-Asp-Phe-Phe-Val-Gly-Leu-Met-NH2

Biochem/physiol Actions

Neurokinin B is a ten-residue peptide. It is an endogenous tachykinin agonist with preference for the NK-3 receptor. It is a potent bronchoconstrictor and may have a neuromodulatory role in the brain. Neurokinin B has a role in slow synaptic or non-synaptic communication.

Other Notes

Lyophilized from 0.1% TFA in H2O

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’.

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library

Neurokinin B- and specific tachykinin NK3 receptor agonists-induced airway hyperresponsiveness in the guinea-pig
Samira D
British Journal of Pharmacology (2000)
Neurokinin B Acts via the Neurokinin-3 Receptor in the Retrochiasmatic Area to Stimulate Luteinizing Hormone Secretion in Sheep
Endocrinology (2010)
The Tachykinin Peptide Neurokinin B Binds Copper Forming an Unusual [CuII(NKB)2] Complex and Inhibits Copper Uptake into 1321N1 Astrocytoma Cells
ACS Chemical Neuroscience (2013)
Hiroaki Okamura et al.
Advances in experimental medicine and biology, 784, 297-323 (2013-04-04)
The reproductive neuropeptide gonadotropin-releasing hormone (GnRH) has two modes of secretion. Besides the surge mode, which induces ovulation in females, the pulse mode of GnRH release is essential to cause various reproductive events in both sexes, such as spermatogenesis, follicular
Neurokinin B and the hypothalamic regulation of reproduction.
Rance NE
Brain Research (2010)

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service