Red 21
Properties
- Molecular formula
- C20H8Br4O5
- Molar mass
- 647.90 g/mol
- Exact mass
- 643.7105 Da
- logP
- 6.72Crippen estimate
- Polar surface area
- 76.0 Ų
- H-bond donors / acceptors
- 2 / 5
- Rotatable bonds
- 0
Identifiers
CAS number
15086-94-9SMILES
O=C1OC2(c3ccccc31)c1cc(Br)c(O)c(Br)c1Oc1c2cc(Br)c(O)c1BrInChIKey
DBZJJPROPLPMSN-UHFFFAOYSA-NInChI
InChI=1S/C20H8Br4O5/c21-11-5-9-17(13(23)15(11)25)28-18-10(6-12(22)16(26)14(18)24)20(9)8-4-2-1-3-7(8)19(27)29-20/h1-6,25-26HWeigh it out
Type any one amount. The others follow from the molar mass.
Names and synonyms
20 names · show all
- Spiro[isobenzofuran-1(3H),9′-[9H]xanthen]-3-one, 2′,4′,5′,7′-tetrabromo-3′,6′-dihydroxy-
- Fluorescein, 2′,4′,5′,7′-tetrabromo-
- 2′,4′,5′,7′-Tetrabromo-3′,6′-dihydroxyspiro[isobenzofuran-1(3H),9′-[9H]xanthen]-3-one
- D And C red no. 21
- 3,6-Dihydroxy-2,4,5,7-tetrabromospiro[xanthene-9,3′-phthalide]
- 2′,4′,5′,7′-Tetrabromofluorescein
- Red no. 223
- Solvent red 43
- C.I. Solvent red 43
- Japan red 223
- Japan red no. 223
- Eosin acid
- Eosine acid
- C.I. 45380:2
- D&C Red no. 21
- Eosin Y spirit soluble
- D&C Red 21
- NSC 244436
- AMI 5
- 2′,4′,5′,7′-Tetrabromo-3′,6′-dihydroxyspiro[2-benzofuran-3,9′-xanthene]-1-one
Work with Red 21
Similar compounds
Tetrabromophenolphthalein76-62-068 % similar
Solvent red 72596-03-267 % similar
Eosin Y17372-87-167 % similar
Fluorescein2321-07-552 % similar
Dichlorofluorescein76-54-051 % similar
Naphtholphthalein596-01-049 % similar
P-Xylenolphthalein50984-88-848 % similar
Phenolphthalein77-09-848 % similar
Tanimoto similarity of circular fingerprints over the whole catalogue. All similar compounds