Substance P

Also known as: Neurokinin P, SP, Sensory neuropeptide, RPKPQQFFGLM-NH2, H-Arg-Pro-Lys-Pro-Gln-Gln-Phe-Phe-Gly-Leu-Met-NH2

Substance P (CAS 33507-63-0) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C63H98N18O13S and a molecular weight of 1347.630 g/mol. Key property: a density of 1.4±0.1 g/cm3. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 33507-63-0
Jingsj CID: J-1991456-8
Molecular Formula: C₆₃H₉₈N₁₈O₁₃S
Molecular Weight: 1347.630 g/mol
Category: Organic Compounds
Last updated: 8/21/2026

Request MSDS / TDS

No offers for this compound yet.

Request a quote

Physicochemical Properties

Density	1.4±0.1 g/cm3
Exact Mass	1346.728149
PSA	544.43000
LogP	-0.85
Refractive Index	1.663
Additional Property	H2O: 1 mg/mL \| Soluble in water, DMSO, and Acetic Acid.

Activity & Biological Data

Target	Human Endogenous Metabolite
Additional Information	[1]. Grady EF, et al. Delineation of the endocytic pathway of substance P and its seven-transmembrane domain NK1 receptor. Mol Biol Cell. 1995 May;6(5):509-24. [2]. Zhang L, et al. MiR-34b/c-5p and the neurokinin-1 receptor regulate breast cancer cell proliferation and apoptosis. Cell Prolif. 2018 Oct 17:e12527.

Frequently Asked Questions

What is the CAS number of Substance P?

The CAS number of Substance P is 33507-63-0.

What are the molecular formula and molecular weight of Substance P?

Substance P has molecular formula C63H98N18O13S and molecular weight 1347.630 g/mol.

What are the upstream and downstream products of Substance P?

For Substance P, Upstream Products: Chloromethane, Boc-Glycine, Boc-L-leucine hydrate.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated: 8/21/2026

How to cite: Jingsj. "Substance P (CAS 33507-63-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1991456-8 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.