1. Primary Information
| English name: | Calcon |
| CAS No.: | 2538-85-4 |
| Molecular formula: | C20H13N2NAO5S |
| Molecular weight: | 416.4 g/mol |
| SMILES: | C1=CC=C2C(=C1)C=CC(=C2N=NC3=C(C=C(C4=CC=CC=C43)S(=O)(=O)[O-])O)O.[Na+] |
| Structural class: | |
| Other identifiers: |
3-hydroxy-4-((2-hydroxy-1-naphthalenyl)azo)-1-naphthalenesulfonic acid calcon calcon, zinc salt eriochrome blue black R pontachrome blue black reagent |
2. Suppliers & Pricing
| Supplier | Pack size | Purity | Price (CNY) | Storage conditions | Lead time | Notes |
| Kehua Intelligence | 25g | IND | 24 | RT | in stock | - |
| Kehua Intelligence | 100g | IND | 60 | RT | in stock | - |
| Kehua Intelligence | 500g | IND | 296 | RT | in stock | - |
3. Structures
3.1 2D structure
3.2 3D structure
4. International Nomenclature & Identifiers
4.1 IUPAC Name
sodium;3-hydroxy-4-[(2-hydroxynaphthalen-1-yl)diazenyl]naphthalene-1-sulfonate
4.2 InChI
InChI=1S/C20H14N2O5S.Na/c23-16-10-9-12-5-1-2-6-13(12)19(16)21-22-20-15-8-4-3-7-14(15)18(11-17(20)24)28(25,26)27;/h1-11,23-24H,(H,25,26,27);/q;+1/p-1
4.3 InChIKey
ZQWICJYATMSSSD-UHFFFAOYSA-M
4.4 Canonical SMILES
C1=CC=C2C(=C1)C=CC(=C2N=NC3=C(C=C(C4=CC=CC=C43)S(=O)(=O)[O-])O)O.[Na+]
4.5 Isomeric SMILES
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