Direct Red 81

cas: 2610-11-9 — see every product listed under this CAS number, including other names

Direct Red 81 (CAS 2610-11-9) is a chemical reagent available from Chemat. Available pack sizes: 10g, 25g, 50g, 100G, Get quote. Offered by: Biosynth, Sigma-Aldrich, MedChemExpress.

brandBiosynth
catalog numberCAA61011-10g
cas2610-11-9
size10g
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Available pack sizes

brand size price
Biosynth 10g price on request
Biosynth 25g price on request
Biosynth 50g price on request
Sigma-Aldrich 100G 1080.00 Pln
Sigma-Aldrich 25G 348.00 Pln
MedChemExpress Get quote price on request

properties

categoryResearch Chemicals
purityNo data
delivery time3-4 weeks
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

Also listed as

Direct red 81, 95% Combi-blocks CAS 2610-11-9
Chlorantine Fast Red 5B GLPBio CAS 2610-11-9
Direct Red 81, 99%,RG, 99%,RG Chemat CAS 2610-11-9