TL;DR: H acid (CAS 90-20-0) is a chemical compound with molecular formula C10H9NO7S2 and molecular weight 318.98206 g/mol, supplied by CoreyChem (Career Henan Chemical Co., Ltd.) with ISO-certified quality and global shipping.
4-amino-5-hydroxynaphthalene-2,7-disulfonic acid
Also Known As: H acid, H-Acid, 4-Amino-5-hydroxy-2,7-naphthalenedisulfonic acid, Kyselina H, 4-amino-5-hydroxynaphthalene-2,7-disulfonic acid
Top 5 of 22 IPC patent classification(s) from the SureChEMBL global patent database.
| Molecular Formula | C10H9NO7S2 |
| Molecular Weight | 318.98206 g/mol |
| XLogP | 0.2 |
| Topological Polar Surface Area (TPSA) | 172.0 Ų |
| Hydrogen Bond Donors | 4 |
| Hydrogen Bond Acceptors | 8 |
| Rotatable Bonds | 2 |
| Exact Mass | 318.98206 Da |
| Heavy Atoms | 20 |
| Complexity | 561.0 |
| SMILES | C1=C2C=C(C=C(C2=C(C=C1S(=O)(=O)O)N)O)S(=O)(=O)O |
| InChIKey | APRRQJCCBSJQOQ-UHFFFAOYSA-N |
Applications: H acid is used in dye and pigment synthesis and coloration chemistry, as well as textile processing, dyeing, and finishing operations. It commonly serves as a versatile building block for organic synthesis. Available from CoreyChem as both catalog item and custom-synthesis project (mg to ton scale), with full analytical documentation (COA, MSDS, HPLC, NMR, MS).
A dye and pigment intermediate supplied by CoreyChem, H acid (CAS 90-20-0) has the molecular formula C10H9NO7S2 and a molecular weight of 318.98 g/mol. Synonyms include H acid and H-Acid.
Custom synthesis and full analytical documentation (COA/MSDS) are available from CoreyChem. Request a quotation with your required quantity and purity for current lead time and pricing.
The XLogP value of 0.2 suggests moderate lipophilicity, balancing water solubility and membrane permeability for H acid. The TPSA of 172.0 Ų indicates high polarity, suggesting H acid may have limited membrane permeability but good aqueous solubility. Following Lipinski's Rule of Five, H acid has 4 hydrogen bond donor(s) and 8 hydrogen bond acceptor(s), all within the drug-like range, suggesting favorable oral bioavailability potential.
The CAS number of H acid is 90-20-0.
The molecular formula of H acid is C10H9NO7S2.
The molecular weight of H acid is 318.98206 g/mol.
H acid is used in dye and pigment synthesis and coloration chemistry, as well as textile processing, dyeing, and finishing operations. It commonly serves as a versatile building block for organic synthesis. Available from CoreyChem as both catalog item and custom-synthesis project (mg to ton...
You can request a quote for H acid directly from CoreyChem. Contact us or email [email protected] for pricing and availability.
Yes, CoreyChem provides custom synthesis services for H acid and related compounds. Contact us with your specific requirements including quantity, purity, and timeline.
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