62298-42-4 3-(Dimethylamino)-7-(methylamino)phenothiazin-5-ium, salt with 2',4',5',7'-tetrabromo-3',6'-dihydroxyspiro(isobenzofuran-1(3H),9'-(9H)xanthen)-3-one (2:1) EINECS 263-490-7 Azure B eosinate CAS 62298-42-4

Purity 97%+In StockPharmaceutical Standards
CAS No.62298-42-4
Molecular FormulaC20H6Br4O5 2*C15H16N3S
Molecular WeightN/A
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

62298-42-4 3-(Dimethylamino)-7-(methylamino)phenothiazin-5-ium, salt with 2',4',5',7'-tetrabromo-3',6'-dihydroxyspiro(isobenzofuran-1(3H),9'-(9H)xanthen)-3-one (2:1) EINECS 263-490-7 Azure B eosinate CAS 62298-42-4 chemical structure

Description

CATO supplies 62298-42-4 3-(Dimethylamino)-7-(methylamino)phenothiazin-5-ium, salt with 2',4',5',7'-tetrabromo-3',6'-dihydroxyspiro(isobenzofuran-1(3H),9'-(9H)xanthen)-3-one (2:1) EINECS 263-490-7 Azure B eosinate (CAS 62298-42-4), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C20H6Br4O5 2*C15H16N3S. Batch-specific COA and technical support are available on request.

Physical & Chemical Properties

Molecular FormulaC20H6Br4O5 2*C15H16N3S
Molecular Weight916.25 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; Contains ester bond; hydrolyzes under strong alkaline conditions
Degree of Unsaturation (DBE)24.5
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1974
Halogen ContentBr-containing
Nitrogen Atoms3
Sulfur Atoms1

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