TL;DR: Alexa Fluor 555 (CAS 1027930-57-9) is a chemical compound with molecular formula C21H14N2O11S2 and molecular weight 534.0039 g/mol, supplied by CoreyChem (Career Henan Chemical Co., Ltd.) with ISO-certified quality and global shipping.
4-(3-amino-6-imino-4,5-disulfoxanthen-9-yl)benzene-1,3-dicarboxylic acid
Also Known As: Alexa Fluor 555, Alexa555, BP Fluor 488 acid, 4-(6-amino-3-imino-4,5-disulfo-3H-xanthen-9-yl)isophthalic acid, J3.540.544E
| Molecular Formula | C21H14N2O11S2 |
| Molecular Weight | 534.0039 g/mol |
| XLogP | 0.0 |
| Topological Polar Surface Area (TPSA) | 259.0 Ų |
| Hydrogen Bond Donors | 6 |
| Hydrogen Bond Acceptors | 13 |
| Rotatable Bonds | 5 |
| Exact Mass | 534.0039 Da |
| Heavy Atoms | 36 |
| Complexity | 1320.0 |
| SMILES | C1=CC(=C(C=C1C(=O)O)C(=O)O)C2=C3C=CC(=N)C(=C3OC4=C2C=CC(=C4S(=O)(=O)O)N)S(=O)(=O)O |
| InChIKey | IGAZHQIYONOHQN-UHFFFAOYSA-N |
The XLogP value of 0.0 suggests moderate lipophilicity, balancing water solubility and membrane permeability for Alexa Fluor 555. The TPSA of 259.0 Ų indicates high polarity, suggesting Alexa Fluor 555 may have limited membrane permeability but good aqueous solubility. Following Lipinski's Rule of Five, Alexa Fluor 555 has 6 hydrogen bond donor(s) and 13 hydrogen bond acceptor(s), which may warrant consideration for formulation optimization.
The CAS number of Alexa Fluor 555 is 1027930-57-9.
The molecular formula of Alexa Fluor 555 is C21H14N2O11S2.
The molecular weight of Alexa Fluor 555 is 534.0039 g/mol.
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