Direct Red 23
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- $32 - $499.52
- Product name: Direct Red 23
- CAS: 3441-14-3
- MF: C35H28N7NaO10S2
- MW: 793.76
- EINECS:222-348-4
- MDL Number:MFCD00003946
- Synonyms:BENZO FAST SCARLET;CI 29160;DIRECT FAST SCARLET 4BS;DIRECT RED 23;Disodium 3-[(4-acetamidophenyl)azo]-4-hydroxy-7-[[[[5-hydroxy-6-(phenylazo)-7-sulphonato-2-naphthyl]amino]carbonyl]amino]naphthalene-2-sulphonate;2-naphthalenesulfonicacid,3-((4-(acetylamino)phenyl)azo)-4-hydroxy-7-((((5-hy ;2-naphthalenesulfonicacid,3-[[4-(acetylamino)phenyl]azo]-4-hydroxy-7-[[[[5-hy ;airedalescarlet4bd
9 prices
Selected condition：
Brand
- aablocks
- American Custom Chemicals Corporation
- Chem-Impex
- ChemScene
- Sigma-Aldrich
Package
- 5MG
- 10mg
- 1g
- 5g
- 50g
- 250g
- Manufactureraablocks
- Product numberAA003PO3
- Product description3-((4-Acetamidophenyl)diazenyl)-4-hydroxy-7-(3-(5-hydroxy-6-(phenyldiazenyl)-7-sulfonaphthalen-2-yl)ureido)naphthalene-2-sulfonic acid, sodium salt Dyecontent30%
- Packaging1g
- Price$32
- Updated2026-05-28
- Buy
- Manufactureraablocks
- Product numberAA003PO3
- Product description3-((4-Acetamidophenyl)diazenyl)-4-hydroxy-7-(3-(5-hydroxy-6-(phenyldiazenyl)-7-sulfonaphthalen-2-yl)ureido)naphthalene-2-sulfonic acid, sodium salt Dyecontent30%
- Packaging5g
- Price$106
- Updated2026-05-28
- Buy
- Manufactureraablocks
- Product numberAA003PO3
- Product description3-((4-Acetamidophenyl)diazenyl)-4-hydroxy-7-(3-(5-hydroxy-6-(phenyldiazenyl)-7-sulfonaphthalen-2-yl)ureido)naphthalene-2-sulfonic acid, sodium salt
- Packaging50g
- Price$124
- Updated2026-05-28
- Buy
- Manufactureraablocks
- Product numberAA003PO3
- Product description3-((4-Acetamidophenyl)diazenyl)-4-hydroxy-7-(3-(5-hydroxy-6-(phenyldiazenyl)-7-sulfonaphthalen-2-yl)ureido)naphthalene-2-sulfonic acid, sodium salt
- Packaging250g
- Price$334
- Updated2026-05-28
- Buy
- ManufacturerAmerican Custom Chemicals Corporation
- Product numberDYE0000789
- Product descriptionDIRECT RED 23 95.00%
- Packaging5MG
- Price$499.52
- Updated2021-12-16
- Buy
- ManufacturerChem-Impex
- Product number41953
- Product descriptionDirect Red 23 ≥30%(Dyecontent)
- Packaging50G
- Price$83.42
- Updated2026-05-19
- Buy
- ManufacturerChemScene
- Product numberCS-0010153
- Product descriptionDirect Red 23
- Packaging10mg
- Price$87
- Updated2026-06-04
- Buy
- ManufacturerChemScene
- Product numberCS-0010153
- Product descriptionDirect Red 23
- Packaging5mg
- Price$54
- Updated2026-06-04
- Buy
- ManufacturerSigma-Aldrich
- Product number212490
- Product descriptionDirect Red 23 Dye content 30%
- Packaging50g
- Price$89.2
- Updated2026-04-30
- Buy
| Manufacturer | Product number | Product description | Packaging | Price | Updated | Buy |
|---|---|---|---|---|---|---|
| aablocks | AA003PO3 | 3-((4-Acetamidophenyl)diazenyl)-4-hydroxy-7-(3-(5-hydroxy-6-(phenyldiazenyl)-7-sulfonaphthalen-2-yl)ureido)naphthalene-2-sulfonic acid, sodium salt Dyecontent30% | 1g | $32 | 2026-05-28 | Buy |
| aablocks | AA003PO3 | 3-((4-Acetamidophenyl)diazenyl)-4-hydroxy-7-(3-(5-hydroxy-6-(phenyldiazenyl)-7-sulfonaphthalen-2-yl)ureido)naphthalene-2-sulfonic acid, sodium salt Dyecontent30% | 5g | $106 | 2026-05-28 | Buy |
| aablocks | AA003PO3 | 3-((4-Acetamidophenyl)diazenyl)-4-hydroxy-7-(3-(5-hydroxy-6-(phenyldiazenyl)-7-sulfonaphthalen-2-yl)ureido)naphthalene-2-sulfonic acid, sodium salt | 50g | $124 | 2026-05-28 | Buy |
| aablocks | AA003PO3 | 3-((4-Acetamidophenyl)diazenyl)-4-hydroxy-7-(3-(5-hydroxy-6-(phenyldiazenyl)-7-sulfonaphthalen-2-yl)ureido)naphthalene-2-sulfonic acid, sodium salt | 250g | $334 | 2026-05-28 | Buy |
| American Custom Chemicals Corporation | DYE0000789 | DIRECT RED 23 95.00% | 5MG | $499.52 | 2021-12-16 | Buy |
| Chem-Impex | 41953 | Direct Red 23 ≥30%(Dyecontent) | 50G | $83.42 | 2026-05-19 | Buy |
| ChemScene | CS-0010153 | Direct Red 23 | 10mg | $87 | 2026-06-04 | Buy |
| ChemScene | CS-0010153 | Direct Red 23 | 5mg | $54 | 2026-06-04 | Buy |
| Sigma-Aldrich | 212490 | Direct Red 23 Dye content 30% | 50g | $89.2 | 2026-04-30 | Buy |
Properties
storage temp. :room temp
Colour Index :29160
form :powder
λmax :507 nm
ε(extinction coefficient) :≥15000 at 500-516nm in water at 0.04g/L
Major Application :diagnostic assay manufacturing
hematology
histology Cosmetics Ingredients Functions :HAIR DYEING
InChIKey :NLMHXPDMNXMQBY-UHFFFAOYSA-L
SMILES :[Na+].[Na+].CC(=O)Nc1ccc(cc1)N=Nc2cc3c(O)cc(NC(=O)Nc4ccc5c(O)c(N=Nc6ccccc6)c(cc5c4)S([O-])(=O)=O)cc3cc2S([O-])(=O)=O
CAS DataBase Reference :3441-14-3(CAS DataBase Reference)
EPA Substance Registry System :C.I. Direct Red 23, disodium salt (3441-14-3)
Colour Index :29160
form :powder
λmax :507 nm
ε(extinction coefficient) :≥15000 at 500-516nm in water at 0.04g/L
Major Application :diagnostic assay manufacturing
hematology
histology Cosmetics Ingredients Functions :HAIR DYEING
InChIKey :NLMHXPDMNXMQBY-UHFFFAOYSA-L
SMILES :[Na+].[Na+].CC(=O)Nc1ccc(cc1)N=Nc2cc3c(O)cc(NC(=O)Nc4ccc5c(O)c(N=Nc6ccccc6)c(cc5c4)S([O-])(=O)=O)cc3cc2S([O-])(=O)=O
CAS DataBase Reference :3441-14-3(CAS DataBase Reference)
EPA Substance Registry System :C.I. Direct Red 23, disodium salt (3441-14-3)
Safety Information
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Description
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