Sperm-activating peptide 1 structure

Sperm-activating peptide 1

TL;DR: Sperm-activating peptide 1 (CAS 140653-60-7) is a chemical compound with molecular formula C44H71N11O12S2 and molecular weight 1009.47 g/mol, supplied by Kehong Biological (Henan Kehong Biological Technology Co., Ltd.) with CRO/CDMO custom synthesis services.

(4S)-5-[[2-[[(2S)-6-amino-1-[[(2R)-1-[[(1S)-1-carboxy-2-methylpropyl]amino]-1-oxo-3-sulfanylpropan-2-yl]amino]-1-oxohexan-2-yl]amino]-2-oxoethyl]amino]-4-[[(2S)-1-[(2R)-2-[[(2S)-2-[[(2S)-2,6-diaminohexanoyl]amino]-3-phenylpropanoyl]amino]-3-sulfanylpropanoyl]pyrrolidine-2-carbonyl]amino]-5-oxopentanoic acid

Also Known As: Sperm-activating peptide 1, Lys-phe-cys-pro-glu-gly-lys-cys-val, (4S)-5-[[2-[[(2S)-6-amino-1-[[(2R)-1-[[(1S)-1-carboxy-2-methylpropyl]amino]-1-oxo-3-sulfanylpropan-2-yl]amino]-1-oxohexan-2-yl]amino]-2-oxoethyl]amino]-4-[[(2S)-1-[(2R)-2-[[(2S)-2-[[(2S)-2,6-diaminohexanoyl]amino]-3-phenylpropanoyl]amino]-3-sulfanylpropanoyl]pyrrolidine-2-carbonyl]amino]-5-oxopentanoic acid, (4S)-5-[[2-[[(2S)-6-amino-1-[[(2R)-1-[[(2S)-1-hydroxy-3-methyl-1-oxobutan-2-yl]amino]-1-oxo-3-sulfanylpropan-2-yl]amino]-1-oxohexan-2-yl]amino]-2-oxoethyl]amino]-4-[[(2S)-1-[(2R)-2-[[(2S)-2-[[(2S)-2,6-diaminohexanoyl]amino]-3-phenylpropanoyl]amino]-3-sulfanylpropanoyl]pyrrolidine-2-carbonyl]amino]-5-oxopentanoic acid, L-Lysyl-L-phenylalanyl-L-cysteinyl-L-prolyl-L-alpha-glutamylglycyl-L-lysyl-L-cysteinyl-L-valine

CAS: 140653-60-7
Molecular Formula C44H71N11O12S2
Molecular Weight 1009.47 g/mol
LogP -6.0
Topological Polar Surface Area 379.0 Ų
Hydrogen Bond Donors 14
Hydrogen Bond Acceptors 17
Rotatable Bonds 32
Exact Mass 1009.47253
Heavy Atoms 69
Complexity 1740.0

Chemical Identifiers

CAS Number 140653-60-7
SMILES CC(C)[C@@H](C(=O)O)NC(=O)[C@H](CS)NC(=O)[C@H](CCCCN)NC(=O)CNC(=O)[C@H](CCC(=O)O)NC(=O)[C@@H]1CCCN1C(=O)[C@H](CS)NC(=O)[C@H](CC2=CC=CC=C2)NC(=O)[C@H](CCCCN)N
InChIKey YNYRLZIGGZQIRW-GVCDGELBSA-N

Product Overview

Sperm-activating peptide 1 (CAS 140653-60-7), with molecular formula C44H71N11O12S2 and molecular weight 1009.47 g/mol. IUPAC: (4S)-5-[[2-[[(2S)-6-amino-1-[[(2R)-1-[[(1S)-1-carboxy-2-methylpropyl]amino]-1-oxo-3-sulfanylpropan-2-yl]amino]-1-oxohexan-2-yl]amino]-2-oxoethyl]amino]-4-[[(2S)-1-[(2R)-2-[[(2S)-2-[[(2S)-2,6-diaminohexanoyl]amino]-3-phenylpropanoyl]amino]-3-sulfanylpropanoyl]pyrrolidine-2-carbonyl]amino]-5-oxopentanoic acid.

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Safety Data Sheet (MSDS / SDS) View the Laboratory Chemical Safety Summary (LCSS) on PubChem — includes GHS classifications, hazard statements, first aid measures, and handling precautions.
View MSDS →

Chemical Property Profile of Sperm-activating peptide 1

XLogP
-6.0
TPSA (Topological Polar Surface Area)
379.0
Hydrogen Bond Donors
14
Hydrogen Bond Acceptors
17
Rotatable Bonds
32
Heavy Atoms
69
Complexity
1740.0
Exact Mass
1009.47253
Monoisotopic Mass
1009.47253
Data Source: Chemical property values are referenced from PubChem, the world's largest open chemistry database maintained by the National Center for Biotechnology Information (NCBI), U.S. National Library of Medicine.

Property Insights of Sperm-activating peptide 1

The XLogP value of -6.0 indicates that Sperm-activating peptide 1 is hydrophilic (water-soluble), making it suitable for aqueous formulations and biological assay applications. The TPSA of 379.0 Ų indicates high polarity, suggesting Sperm-activating peptide 1 may have limited membrane permeability but good aqueous solubility. Following Lipinski's Rule of Five, Sperm-activating peptide 1 has 14 hydrogen bond donor(s) and 17 hydrogen bond acceptor(s), which may warrant consideration for formulation optimization.

Frequently Asked Questions

What is the typical lead time for this product?
Lead time typically ranges from 3-7 business days for in-stock items. For larger quantities or custom orders, please contact us for specific lead times.
Can you provide samples for testing?
Yes, we offer sample quantities for quality testing. Please submit an inquiry with your requirements and we will arrange samples accordingly.
What documentation do you provide with the product?
We provide COA (Certificate of Analysis), MSDS (Material Safety Data Sheet), and technical data sheets with each shipment.
Do you ship internationally?
Yes, we ship to most countries worldwide. Shipping costs and delivery times vary by location. Please contact us for specific shipping information.

Frequently Asked Questions

What is the CAS number of Sperm-activating peptide 1?

The CAS number of Sperm-activating peptide 1 is 140653-60-7.

What is the molecular formula of Sperm-activating peptide 1?

The molecular formula of Sperm-activating peptide 1 is C44H71N11O12S2.

What is the molecular weight of Sperm-activating peptide 1?

The molecular weight of Sperm-activating peptide 1 is 1009.47 g/mol.

Where can I buy Sperm-activating peptide 1?

You can request a quote for Sperm-activating peptide 1 directly from KEHONG BIO. Contact us or email info@kehongbio.com for pricing and availability.

Does KEHONG BIO offer custom synthesis for Sperm-activating peptide 1?

Yes, KEHONG BIO provides custom synthesis services for Sperm-activating peptide 1 and related compounds. Contact us with your specific requirements including quantity, purity, and timeline.

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