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Substance P (4-11)

Substance P (4-11) structure

CAS No.: 53749-60-3

Chemical Name:: Substance P (4-11)

Synonyms: OCTA-SUBSTANCE P;4-11-Substance P;Substance P (4-11);Substance P, fragment 4-11;substance P fragment 4-11 acetate;Substance-P-(4-11)Octa-Substance P;PRO-GLN-GLN-PHE-PHE-GLY-LEU-MET-NH2;SUBSTANCE P(4-11), [D-PRO4, D-TRP7,9];H-PRO-GLN-GLN-PHE-PHE-GLY-LEU-MET-NH2;GLN-PHE-PHE-GLY-LEU-MET-NH2: QFFGLM-NH2

CBNumber:: CB9219658

Molecular Formula:: C46H67N11O10S

Molecular Weight:: 966.16

MDL Number:: MFCD00076792

MOL File:: 53749-60-3.mol

TDS File:: TDS

Last updated:2026-09-12 18:56:17

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Substance P (4-11) Properties

Boiling point	1470.114±65.00 °C(Press: 760.00 Torr)(predicted)
Density	1.266±0.06 g/cm3(Temp: 25 °C; Press: 760 Torr)(predicted)
storage temp.	−20°C
pka	13.264±0.46(predicted)

SAFETY

Risk and Safety Statements

WGK Germany	3

Substance P (4-11) price More Price(13)

Manufacturer	Product number	Product description	CAS number	Packaging	Price	Updated	Buy
Biosynth	FS109334	Substance P (4-11)	53749-60-3	5mg	$900	2026-06-04	Buy
Biosynth	FS109334	Substance P (4-11)	53749-60-3	10mg	$900	2026-06-04	Buy
Biosynth	FS109334	Substance P (4-11)	53749-60-3	2mg	$900	2026-06-04	Buy
Biosynth	FS109334	Substance P (4-11)	53749-60-3	25mg	$1149.5	2026-06-04	Buy
Biosynth	FS109334	Substance P (4-11)	53749-60-3	50mg	$2000.5	2026-06-04	Buy

Product number	Packaging	Price	Buy
FS109334	5mg	$900	Buy
FS109334	10mg	$900	Buy
FS109334	2mg	$900	Buy
FS109334	25mg	$1149.5	Buy
FS109334	50mg	$2000.5	Buy

Substance P (4-11) Chemical Properties, Uses, Production

Uses

Substance P (4-11), the C-terminus fragment of Substance P (Substance P (HY-P0201)), is a Substance P agonist that shows highly selective for NK1 receptors[1][2].

References

[1] D G Payan, et al. Specific stimulation of human T lymphocytes by substance P. J Immunol. 1983 Oct;131(4):1613-5. PMID:6194207
[2] L Wang, et al. Substance P induces ion secretion in mouse small intestine through effects on enteric nerves and mast cells. Am J Physiol. 1995 Jul;269(1 Pt 1):G85-92. DOI:10.1152/ajpgi.1995.269.1.G85
[3] P Cornaglia-Ferraris, et al. Sensory neuropeptides (substance P) and 4-11 SP enhance human neutrophils chemiluminescence; the role of L-arginine. Int J Immunopharmacol. 1986;8(4):463-8. DOI:10.1016/0192-0561(86)90133-5

Substance P (4-11) Preparation Products And Raw materials

Raw materials

Preparation Products

Substance P (4-11) Suppliers

Global Suppliers ( 73)

Supplier	Tel	Email	Country	ProdList	Advantage
GL Biochem (Shanghai) Ltd	21-61263452 13641803416	ymbetter@glbiochem.com	China	9981	64
Shanghai Hanhong Scientific Co.,Ltd.	021-54306202 13764082696	info@hanhongsci.com	China	42917	64
Chemsky (shanghai) International Co.,Ltd	021-50135380	shchemsky@sina.com	China	15350	60
Cellmano Biotech Limited	0551-65326643 18156095617	info@cellmano.com	China	1010	55
Beijing Solarbio Science & Tecnology Co., Ltd.	17801761073 18101056239	3193328036@qq.com	China	28150	68
Nanjing Leon Biological Technology Co., Ltd.	025-84523390 -127; 17705183659	sales@njleonbiotech.com	China	5501	55
Nanjing Peptide Biotech Ltd.	025-58361106-805 15951641583	zhao.xu@njpeptide.com	China	9976	55
Chengdu Youngshe Chemical Co., Ltd.	+86-17380623303	Caroline@youngshechem.com	China	4725	58
Hangzhou Peptidego Biotech Co.,Ltd.	0571-87213919 15967184799	Eric@peptidego.com	China	7872	58
Hangzhou Go Top Peptide Biotech	0571-88211921	sales1@gotopbio.com	CHINA	2609	58

Supplier	Advantage
GL Biochem (Shanghai) Ltd	64
Shanghai Hanhong Scientific Co.,Ltd.	64
Chemsky (shanghai) International Co.,Ltd	60
Cellmano Biotech Limited	55
Beijing Solarbio Science & Tecnology Co., Ltd.	68
Nanjing Leon Biological Technology Co., Ltd.	55
Nanjing Peptide Biotech Ltd.	55
Chengdu Youngshe Chemical Co., Ltd.	58
Hangzhou Peptidego Biotech Co.,Ltd.	58
Hangzhou Go Top Peptide Biotech	58

View Latest Price from Substance P (4-11) manufacturers

Image	Update time	Product	Price	Min. Order	Purity	Supply Ability	Manufacturer
	2025-04-04	SUBSTANCE P (4-11) 53749-60-3		1kg	98%	1Ton	Henan Aochuang Chemical Co.,Ltd.
	2020-03-06	SUBSTANCE P (4-11) 53749-60-3	$1.00	1g	≥98%		Career Henan Chemical Co

SUBSTANCE P (4-11)
53749-60-3
98%
Henan Aochuang Chemical Co.,Ltd.

SUBSTANCE P (4-11)
53749-60-3
$1.00
≥98%
Career Henan Chemical Co

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Arg-Pro-Lys-Pro-Gln-Gln-Phe-Phe-Gly-Leu-Met-OMe H-Ala-Arg-Tyr-Tyr-Ser-Ala-Leu-Arg-His-Tyr-Ile-Asn-Leu-Ile-Thr-Arg-Gln-Arg-Tyr-NH2 Substance P (1-4)

1of4

SUBSTANCE P(4-11), [D-PRO4, D-TRP7,9] OCTA-SUBSTANCE P PRO-GLN-GLN-PHE-PHE-GLY-LEU-MET-NH2 substance P fragment 4-11 acetate Substance-P-(4-11)Octa-Substance P H-PRO-GLN-GLN-PHE-PHE-GLY-LEU-MET-NH2 (2S)-N-[(1S)-1-[[(1S)-1-[[1-[[(1S)-1-carbamoyl-3-methylsulfanyl-propyl]carbamoyl]-3-methyl-butyl]carbamoylmethylcarbamoyl]-2-phenyl-ethyl]carbamoyl]-2-phenyl-ethyl]-2-[[(2S)-4-carbamoyl-2-(pyrrolidine-2-carbonylamino)butanoyl]amino]pentanediamide Substance P, fragment 4-11 L-Pro-L-Gln-L-Gln-L-Phe-L-Phe-Gly-L-Leu-L-Met-NH2 L-Pro-L-Glu(NH2)-L-Glu(NH2)-L-Phe-L-Phe-Gly-L-Leu-L-Met-NH2 GLN-PHE-PHE-GLY-LEU-MET-NH2: QFFGLM-NH2 4-11-Substance P Substance P (4-11) H-Pro-Gln-Gln-Phe-Phe-Gly-Leu-Met-NH2 Substance P (4-11) 53749-60-3 C46H67N11O10S Biochemicals and Reagents Amino Acids and Peptides BioChemical Agonist Tachykinins Peptides