(1/2)ethEoI feminine 2411-89-4 AU(1/4)x.OI feminine-3 inverted exclamation marka,3 inverted exclamation marka inverted exclamation marka-E<<(1/4)x>>uNC degrees +/->>u paragraph signthornOOEa AU(1/4)x.OI feminineAc masculineI(1/4)A I femininexI METALPHTHALEIN I Metal phthalein Phthalein purple Xylenylphthalein-bisiminodiacetic acid [({5-[1-(3-{[bis(carboxymethyl)amino]methyl}-4-hydroxy-5-methylphenyl)-3-oxo-2-benzofuran-1-yl]-2-hydroxy-3-methylphenyl}methyl)(carboxymethyl)amino]acetic acid o-Cresolphthalein-3',3''-bis-methyleneiminodiacetic acid o-Cresolphthalexon paragraph signthorn(1/4)x+/-(1/2)I feminine-E<<NC degrees +/->>u paragraph signthornOOEa CAS 2411-89-4

Purity 97%+In StockPharmaceutical Standards
CAS No.2411-89-4
Molecular FormulaC32H50N2O12
Molecular Weight654.75 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

(1/2)ethEoI feminine
2411-89-4
AU(1/4)x.OI feminine-3 inverted exclamation marka,3 inverted exclamation marka inverted exclamation marka-E<<(1/4)x>>uNC degrees +/->>u paragraph signthornOOEa
AU(1/4)x.OI feminineAc masculineI(1/4)A
I femininexI
METALPHTHALEIN I
Metal phthalein
Phthalein purple
Xylenylphthalein-bisiminodiacetic acid
[({5-[1-(3-{[bis(carboxymethyl)amino]methyl}-4-hydroxy-5-methylphenyl)-3-oxo-2-benzofuran-1-yl]-2-hydroxy-3-methylphenyl}methyl)(carboxymethyl)amino]acetic acid
o-Cresolphthalein-3',3''-bis-methyleneiminodiacetic acid
o-Cresolphthalexon
paragraph signthorn(1/4)x+/-(1/2)I feminine-E<<NC degrees +/->>u paragraph signthornOOEa CAS 2411-89-4 chemical structure

Description

Compared with other compounds in its class, the molecular weight of 654.75 g/mol gives (1/2)ethEoI feminine 2411-89-4 AU(1/4)x.OI feminine-3 inverted exclamation marka,3 inverted exclamation marka inverted exclamation marka-E<<(1/4)x>>uNC degrees +/->>u paragraph signthornOOEa AU(1/4)x.OI feminineAc masculineI(1/4)A I femininexI METALPHTHALEIN I Metal phthalein Phthalein purple Xylenylphthalein-bisiminodiacetic acid [({5-[1-(3-{[bis(carboxymethyl)amino]methyl}-4-hydroxy-5-methylphenyl)-3-oxo-2-benzofuran-1-yl]-2-hydroxy-3-methylphenyl}methyl)(carboxymethyl)amino]acetic acid o-Cresolphthalein-3',3''-bis-methyleneiminodiacetic acid o-Cresolphthalexon paragraph signthorn(1/4)x+/-(1/2)I feminine-E<<NC degrees +/->>u paragraph signthornOOEa distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

(1/2)ethEoI feminine 2411-89-4 AU(1/4)x.OI feminine-3 inverted exclamation marka,3 inverted exclamation marka inverted exclamation marka-E<<(1/4)x>>uNC degrees +/->>u paragraph signthornOOEa AU(1/4)x.OI feminineAc masculineI(1/4)A I femininexI METALPHTHALEIN I Metal phthalein Phthalein purple Xylenylphthalein-bisiminodiacetic acid [({5-[1-(3-{[bis(carboxymethyl)amino]methyl}-4-hydroxy-5-methylphenyl)-3-oxo-2-benzofuran-1-yl]-2-hydroxy-3-methylphenyl}methyl)(carboxymethyl)amino]acetic acid o-Cresolphthalein-3',3''-bis-methyleneiminodiacetic acid o-Cresolphthalexon paragraph signthorn(1/4)x+/-(1/2)I feminine-E<<NC degrees +/->>u paragraph signthornOOEa (CAS 2411-89-4), molecular formula C32H50N2O12 and molecular weight 654.75 g/mol, is a CATO reference standard with documented purity and traceability.

(1/2)ethEoI feminine 2411-89-4 AU(1/4)x.OI feminine-3 inverted exclamation marka,3 inverted exclamation marka inverted exclamation marka-E<<(1/4)x>>uNC degrees +/->>u paragraph signthornOOEa AU(1/4)x.OI feminineAc masculineI(1/4)A I femininexI METALPHTHALEIN I Metal phthalein Phthalein purple Xylenylphthalein-bisiminodiacetic acid [({5-[1-(3-{[bis(carboxymethyl)amino]methyl}-4-hydroxy-5-methylphenyl)-3-oxo-2-benzofuran-1-yl]-2-hydroxy-3-methylphenyl}methyl)(carboxymethyl)amino]acetic acid o-Cresolphthalein-3',3''-bis-methyleneiminodiacetic acid o-Cresolphthalexon paragraph signthorn(1/4)x+/-(1/2)I feminine-E<<NC degrees +/->>u paragraph signthornOOEa (C32H50N2O12) contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage. It is notably hygroscopic, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).

This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.

As a certified reference material (CRM), (1/2)ethEoI feminine 2411-89-4 AU(1/4)x.OI feminine-3 inverted exclamation marka,3 inverted exclamation marka inverted exclamation marka-E<<(1/4)x>>uNC degrees +/->>u paragraph signthornOOEa AU(1/4)x.OI feminineAc masculineI(1/4)A I femininexI METALPHTHALEIN I Metal phthalein Phthalein purple Xylenylphthalein-bisiminodiacetic acid [({5-[1-(3-{[bis(carboxymethyl)amino]methyl}-4-hydroxy-5-methylphenyl)-3-oxo-2-benzofuran-1-yl]-2-hydroxy-3-methylphenyl}methyl)(carboxymethyl)amino]acetic acid o-Cresolphthalein-3',3''-bis-methyleneiminodiacetic acid o-Cresolphthalexon paragraph signthorn(1/4)x+/-(1/2)I feminine-E<<NC degrees +/->>u paragraph signthornOOEa meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.

Physical & Chemical Properties

Molecular FormulaC32H50N2O12
Molecular Weight654.75 g/mol
Purity97%+
StorageStore in a cool place (≤25°C), protect from light, keep sealed and dry
Solubility (reference)Soluble in DMSO, DMF, methanol
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening
Degree of Unsaturation (DBE)9.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1957
Nitrogen Atoms2

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