Products 2610-11-9

CAS 2610-11-9 appears in our catalog under these names: Direct red 81, 95%, Chlorantine Fast Red 5B, Direct Red 81, Direct Red 81, 99%,RG, 99%,RG. Offered by: Combi-blocks, GLPBio, Biosynth, Sigma-Aldrich, Chemat. Available pack sizes: 25g, 5g, 1g, 100g, 500g, 10g, 50g, Get quote.

Direct red 81, 95%
Combi-blocks
  • size: 25g, 5g, 1g
  • Variants: 3
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Chlorantine Fast Red 5B
GLPBio
  • size: 100g, 25g, 500g
  • Variants: 3
from 606.40
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Direct Red 81
Biosynth, Sigma-Aldrich, MedChemExpress
  • size: 10g, 25g, 50g, 100G
  • Variants: 6
from 348.00
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Direct Red 81, 99%,RG, 99%,RG
Chemat
  • size: 1g, 5g, 25g, 100g
  • Variants: 5
from 88.40
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Structural formula: {0} (CAS {1})

Sirius red 4B is an organic sodium salt resulting from the formal condensation of Sirius red 4B (acid form) with two equivalents of sodium hydroxide. Used as the plasma stain in some trichrome staining methods. It has a role as a fluorochrome, a poison, a histological dye and an environmental contaminant. It contains a Sirius red 4B(2-).

Source: ChEBI

Identity
Molecular formulaC29H19N5Na2O8S2
Molecular weight675.6 g/mol
IUPAC namedisodium;7-benzamido-4-hydroxy-3-[[4-[(4-sulfonatophenyl)diazenyl]phenyl]diazenyl]naphthalene-2-sulfonate
InChIKeyUFUQRRYHIHJMPB-UHFFFAOYSA-L
SMILESC1=CC=C(C=C1)C(=O)NC2=CC3=CC(=C(C(=C3C=C2)O)N=NC4=CC=C(C=C4)N=NC5=CC=C(C=C5)S(=O)(=O)[O-])S(=O)(=O)[O-].[Na+].[Na+]

Computed by PubChem (NCBI)

Synonyms: C.I. Direct Red 81 disodium salt, Chlorantine Fast Red 5B, Solaminrot 4B, Airedale Red KD, C.I. Direct Red 81, Sirius Red 4B, Calcodur Red 8BL, Triantine Light Red 4BN, Direct Fast Red 5B, Bordeaux EMBL