Products 3301-79-9

CAS 3301-79-9 appears in our catalog under these names: 6-Carboxyfluorescein, >95% (HPLC), 6-FAM/ 98.73% (existing batch purity), 6–FAM (6–Carboxyfluorescein), 6-Carboxyfluorescein, >97.0%(HPLC), 6-Carboxyfluorescein. Offered by: TRC, TargetMol, GLPBio, TCI, Biosynth. Available pack sizes: 100mg, 250mg, 50mg, 200mg, 500mg, 2g, 1g, 5g.

6-Carboxyfluorescein, >95% (HPLC)
TRC
  • size: 100mg, 250mg, 50mg
  • Variants: 3
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6-FAM/ 98.73% (existing batch purity)
TargetMol
  • size: 50mg, 100mg, 200mg
  • Variants: 3
from 412.42
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6–FAM (6–Carboxyfluorescein)
GLPBio
  • size: 100mg, 500mg
  • Variants: 2
from 606.40
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6-Carboxyfluorescein, >97.0%(HPLC)
TCI
  • size: 100mg
  • Variants: 1
from 393.71
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6-Carboxyfluorescein
Biosynth, Sigma-Aldrich
  • size: 2g, 1g, 5g, 25g
  • Variants: 6
from 987.00
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6-Carboxyfluorescein, 96%
Thermo Scientific (Acros)
  • size: 100MG, 500MG
  • Variants: 2
from 565.72
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6-Carboxyfluorescein, 97.00%
Chemat
  • size: 1g, 200mg, 50mg
  • Variants: 3
from 909.71
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6-FAM 98%
Ambeed
  • size: 1mg, 100mg, 250mg, 1g
  • Variants: 8
from 120.06
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6-Carboxyfluorescein, 98%, 98%
Chemat
  • size: 100mg, 250mg, 500mg, 1g
  • Variants: 9
from 78.80
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6-Carboxyfluorescein, 95%
Fluorochem
  • size: 25mg, 100mg, 250mg, 500mg
  • Variants: 8
from 102.07
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6-Carboxyfluorescein, 98%,
Chemat
  • size: 5g
  • Variants: 1
from 1010.00
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6-FAM, 99.88%
MedChemExpress
  • size: 500 mg, 25 mg, 100 mg
  • Variants: 3
from 361.49
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Structural formula: {0} (CAS {1})

6-carboxyfluorescein is a monocarboxylic acid. It is functionally related to a fluorescein (lactone form).

Source: ChEBI

Identity
Molecular formulaC21H12O7
Molecular weight376.3 g/mol
IUPAC name3',6'-dihydroxy-1-oxospiro[2-benzofuran-3,9'-xanthene]-5-carboxylic acid
InChIKeyBZTDTCNHAFUJOG-UHFFFAOYSA-N
SMILESC1=CC2=C(C=C1C(=O)O)C3(C4=C(C=C(C=C4)O)OC5=C3C=CC(=C5)O)OC2=O

Computed by PubChem (NCBI)

Synonyms: 6-Carboxyfluorescein, FLUOS, 3',6'-dihydroxy-3-oxo-3H-spiro[isobenzofuran-1,9'-xanthene]-6-carboxylic acid, 5(6)-carboxy fluorescein, 3',6'-dihydroxy-1-oxospiro[2-benzofuran-3,9'-xanthene]-5-carboxylic acid, 3',6'-dihydroxy-3-oxo-3H-spiro[2-benzofuran-1,9'-xanthene]-6-carboxylic acid, Spiro[isobenzofur, (3,6,9-Trihydroxyxanthen-9-yl)terephthalic Acid, Fluorescein Impurity 35, orb1307239
Isomers (same molecular formula)
4-(3-hydroxy-6-oxoxanthen-9-yl)benzene-1,3-dicarboxylic acid C21H12O7
3',6'-dihydroxy-3-oxospiro[2-benzofuran-1,9'-xanthene]-5-carboxylic acid C21H12O7