4430-20-0 Chlorophenol red 4,4'-(3H-2,1-Benzoxathiol-3-ylidene)bis(2-chlorophenol) S,S-dioxide 3',3''-Dichlorophenolsulfonphthalein Phenol, 4,4'-(3H-2,1-benzoxathiol-3-ylidene)bis(2-chloro-, S,S-dioxide (8CI)(9CI) Phenol, 4,4'-(1,1-dioxido-3H-2,1-benzoxathiol-3-ylidene)bis(2-chloro- Chlorphenol Red Chlorphenolsulfonphthalein Dichlorophenolsulfonephthalein EINECS 224-619-2 NSC 7828 CAS 4430-20-0

Description

Compared with other compounds in its class, the molecular weight of 441.41 g/mol gives 4430-20-0 Chlorophenol red 4,4'-(3H-2,1-Benzoxathiol-3-ylidene)bis(2-chlorophenol) S,S-dioxide 3',3''-Dichlorophenolsulfonphthalein Phenol, 4,4'-(3H-2,1-benzoxathiol-3-ylidene)bis(2-chloro-, S,S-dioxide (8CI)(9CI) Phenol, 4,4'-(1,1-dioxido-3H-2,1-benzoxathiol-3-ylidene)bis(2-chloro- Chlorphenol Red Chlorphenolsulfonphthalein Dichlorophenolsulfonephthalein EINECS 224-619-2 NSC 7828 distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

CATO supplies 4430-20-0 Chlorophenol red 4,4'-(3H-2,1-Benzoxathiol-3-ylidene)bis(2-chlorophenol) S,S-dioxide 3',3''-Dichlorophenolsulfonphthalein Phenol, 4,4'-(3H-2,1-benzoxathiol-3-ylidene)bis(2-chloro-, S,S-dioxide (8CI)(9CI) Phenol, 4,4'-(1,1-dioxido-3H-2,1-benzoxathiol-3-ylidene)bis(2-chloro- Chlorphenol Red Chlorphenolsulfonphthalein Dichlorophenolsulfonephthalein EINECS 224-619-2 NSC 7828 (CAS 4430-20-0), a certified reference material (molecular formula C19H30Cl2O5S, MW 441.41 g/mol) for analytical method development and quality control.

Based on its molecular formula C19H30Cl2O5S, 4430-20-0 Chlorophenol red 4,4'-(3H-2,1-Benzoxathiol-3-ylidene)bis(2-chlorophenol) S,S-dioxide 3',3''-Dichlorophenolsulfonphthalein Phenol, 4,4'-(3H-2,1-benzoxathiol-3-ylidene)bis(2-chloro-, S,S-dioxide (8CI)(9CI) Phenol, 4,4'-(1,1-dioxido-3H-2,1-benzoxathiol-3-ylidene)bis(2-chloro- Chlorphenol Red Chlorphenolsulfonphthalein Dichlorophenolsulfonephthalein EINECS 224-619-2 NSC 7828 contains a steroid core, a sulfone group, a hydroxyl group, an ether linkage, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 441.41 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).

Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.

As a certified reference material (CRM), 4430-20-0 Chlorophenol red 4,4'-(3H-2,1-Benzoxathiol-3-ylidene)bis(2-chlorophenol) S,S-dioxide 3',3''-Dichlorophenolsulfonphthalein Phenol, 4,4'-(3H-2,1-benzoxathiol-3-ylidene)bis(2-chloro-, S,S-dioxide (8CI)(9CI) Phenol, 4,4'-(1,1-dioxido-3H-2,1-benzoxathiol-3-ylidene)bis(2-chloro- Chlorphenol Red Chlorphenolsulfonphthalein Dichlorophenolsulfonephthalein EINECS 224-619-2 NSC 7828 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

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