Direct Black 38 CAS 1937-37-7

Purity Technical GradeIn StockPharmaceutical Standards
CAS No.1937-37-7
Molecular FormulaC34H25N9O7S2 2*Na
Molecular WeightN/A
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

Direct Black 38 CAS 1937-37-7 chemical structure

Description

CATO supplies Direct Black 38 (CAS 1937-37-7), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C34H25N9O7S2 2*Na. Batch-specific COA and technical support are available on request.

Physical & Chemical Properties

Molecular FormulaC34H25N9O7S2 2*Na
Molecular Weight758.74 g/mol
PurityTechnical Grade
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)27.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1957
Nitrogen Atoms9
Sulfur Atoms2

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