1. Primary Information
| English name: | Indigo carmine |
| CAS No.: | 860-22-0 |
| Molecular formula: | C16H8N2NA2O8S2 |
| Molecular weight: | 466.4 g/mol |
| SMILES: | C1=CC2=C(C=C1S(=O)(=O)[O-])C(=C(N2)C3=NC4=C(C3=O)C=C(C=C4)S(=O)(=O)[O-])O.[Na+].[Na+] |
| Structural class: | |
| Other identifiers: |
(delta-2,2'-biindole)-3,3'-dione 2-(1,3-Dihydro-3-oxo-5-sulpho-2H-indol-2-ylidene)-3- oxoindoline-5-sulphonic acid Carmine, Indigo D and C Blue NO. 6 FD and C Blue No. 2 |
2. Suppliers & Pricing
| Supplier | Pack size | Purity | Price (CNY) | Storage conditions | Lead time | Notes |
| Kehua Intelligence | 5ml | 1000μg/ml in H2O | 360 | 2-8℃ | in stock | - |
| Kehua Intelligence | 5ml | 100μg/ml in H2O | 160 | 2-8℃ | in stock | - |
| Kehua Intelligence | 100mg | 99% | 456 | 2-8℃ | in stock | - |
| Kehua Intelligence | 25g | BS | 48 | 2-8℃ | in stock | - |
| Kehua Intelligence | 100g | BS | 136 | 2-8℃ | in stock | - |
| Kehua Intelligence | 500g | BS | 520 | 2-8℃ | in stock | - |
3. Structures
3.1 2D structure
3.2 3D structure
4. International Nomenclature & Identifiers
4.1 IUPAC Name
disodium;2-(3-hydroxy-5-sulfonato-1H-indol-2-yl)-3-oxoindole-5-sulfonate
4.2 InChI
InChI=1S/C16H10N2O8S2.2Na/c19-15-9-5-7(27(21,22)23)1-3-11(9)17-13(15)14-16(20)10-6-8(28(24,25)26)2-4-12(10)18-14;;/h1-6,17,19H,(H,21,22,23)(H,24,25,26);;/q;2*+1/p-2
4.3 InChIKey
JFVXEJADITYJHK-UHFFFAOYSA-L
4.4 Canonical SMILES
C1=CC2=C(C=C1S(=O)(=O)[O-])C(=C(N2)C3=NC4=C(C3=O)C=C(C=C4)S(=O)(=O)[O-])O.[Na+].[Na+]
4.5 Isomeric SMILES
-