62625-31-4 Sodium hydrogen 4,4'-(3H-1,2-benzoxathiol-3-ylidene)bis(3-methylphenolate) S,S-dioxide Phenol, 4,4'-(2,2-dioxido-3H-1,2-benzoxathiol-3-ylidene)bis(3-methyl-, sodium salt (1:1) Phenol, 4,4'-(2,2-dioxido-3H-1,2-benzoxathiol-3-ylidene)bis(3-methyl-, monosodium salt EINECS 263-656-9 CAS 62625-31-4

Purity 97%+In StockPharmaceutical Standards
CAS No.62625-31-4
Molecular FormulaC21H29O5S
Molecular WeightN/A
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

62625-31-4 Sodium hydrogen 4,4'-(3H-1,2-benzoxathiol-3-ylidene)bis(3-methylphenolate) S,S-dioxide Phenol, 4,4'-(2,2-dioxido-3H-1,2-benzoxathiol-3-ylidene)bis(3-methyl-, sodium salt (1:1) Phenol, 4,4'-(2,2-dioxido-3H-1,2-benzoxathiol-3-ylidene)bis(3-methyl-, monosodium salt EINECS 263-656-9 CAS 62625-31-4 chemical structure

Description

The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.

62625-31-4 Sodium hydrogen 4,4'-(3H-1,2-benzoxathiol-3-ylidene)bis(3-methylphenolate) S,S-dioxide Phenol, 4,4'-(2,2-dioxido-3H-1,2-benzoxathiol-3-ylidene)bis(3-methyl-, sodium salt (1:1) Phenol, 4,4'-(2,2-dioxido-3H-1,2-benzoxathiol-3-ylidene)bis(3-methyl-, monosodium salt EINECS 263-656-9 (CAS 62625-31-4) is a high-purity analytical reference standard with the molecular formula C21H29O5SNa and a molecular weight of 416.51 g/mol.

Structurally, 62625-31-4 Sodium hydrogen 4,4'-(3H-1,2-benzoxathiol-3-ylidene)bis(3-methylphenolate) S,S-dioxide Phenol, 4,4'-(2,2-dioxido-3H-1,2-benzoxathiol-3-ylidene)bis(3-methyl-, sodium salt (1:1) Phenol, 4,4'-(2,2-dioxido-3H-1,2-benzoxathiol-3-ylidene)bis(3-methyl-, monosodium salt EINECS 263-656-9 (C21H29O5SNa) contains a flavonoid core, a sulfone group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 7.5, corresponding to approximately 7 ring(s) or double-bond equivalent(s). With a molecular weight of 416.51 g/mol, it falls into the moderately-high-molecular-weight range. 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.

Physical & Chemical Properties

Molecular FormulaC21H29O5S Na
Molecular Weight416.51 g/mol
Purity97%+
StorageStore at room temperature, protect from light, keep sealed and dry
Solubility (reference)Soluble in methanol, acetonitrile, DMSO, water (slightly soluble)
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light
Degree of Unsaturation (DBE)7.5
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1974
Sulfur Atoms1

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