TL;DR: sperm-activating peptide III, Clypeaster japonicus (CAS 142959-78-2) is a chemical compound with molecular formula C43H71N13O20 and molecular weight 1089.4938 g/mol, supplied by CoreyChem (Career Henan Chemical Co., Ltd.) with ISO-certified quality and global shipping.
(2S)-5-amino-2-[[(2S,3S)-2-[[(2S)-2-[[(2S)-4-amino-2-[[(2S)-5-amino-2-[[(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-2-amino-3-carboxypropanoyl]amino]-3-hydroxypropanoyl]amino]-3-carboxypropanoyl]amino]-3-hydroxypropanoyl]amino]propanoyl]amino]-5-oxopentanoyl]amino]-4-oxobutanoyl]amino]-4-methylpentanoyl]amino]-3-methylpentanoyl]amino]-5-oxopentanoic acid
Also Known As: Sap-III, Sperm-activating Peptide Iii, Clypeaster Japonicus, Sperm-activating peptide III, SAP-III protein, Clypeaster japonicus, (2S)-5-amino-2-[[(2S,3S)-2-[[(2S)-2-[[(2S)-4-amino-2-[[(2S)-5-amino-2-[[(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-2-amino-3-carboxypropanoyl]amino]-3-hydroxypropanoyl]amino]-3-carboxypropanoyl]amino]-3-hydroxypropanoyl]amino]propanoyl]amino]-5-oxopentanoyl]amino]-4-oxobutanoyl]amino]-4-methylpentanoyl]amino]-3-methylpentanoyl]amino]-5-oxopentanoic acid
| Molecular Formula | C43H71N13O20 |
| Molecular Weight | 1089.4938 g/mol |
| XLogP | -10.3 |
| Topological Polar Surface Area (TPSA) | 570.0 Ų |
| Hydrogen Bond Donors | 18 |
| Hydrogen Bond Acceptors | 21 |
| Rotatable Bonds | 37 |
| Exact Mass | 1089.4938 Da |
| Heavy Atoms | 76 |
| Complexity | 2140.0 |
| SMILES | CC[C@H](C)[C@@H](C(=O)N[C@@H](CCC(=O)N)C(=O)O)NC(=O)[C@H](CC(C)C)NC(=O)[C@H](CC(=O)N)NC(=O)[C@H](CCC(=O)N)NC(=O)[C@H](C)NC(=O)[C@H](CO)NC(=O)[C@H](CC(=O)O)NC(=O)[C@H](CO)NC(=O)[C@H](CC(=O)O)N |
| InChIKey | ORUHFSUCXDIEPB-SAPJGRGWSA-N |
The XLogP value of -10.3 indicates that sperm-activating peptide III, Clypeaster japonicus is hydrophilic (water-soluble), making it suitable for aqueous formulations and biological assay applications. The TPSA of 570.0 Ų indicates high polarity, suggesting sperm-activating peptide III, Clypeaster japonicus may have limited membrane permeability but good aqueous solubility. Following Lipinski's Rule of Five, sperm-activating peptide III, Clypeaster japonicus has 18 hydrogen bond donor(s) and 21 hydrogen bond acceptor(s), which may warrant consideration for formulation optimization.
The CAS number of sperm-activating peptide III, Clypeaster japonicus is 142959-78-2.
The molecular formula of sperm-activating peptide III, Clypeaster japonicus is C43H71N13O20.
The molecular weight of sperm-activating peptide III, Clypeaster japonicus is 1089.4938 g/mol.
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