rel-(βS)-β,3-Dihydroxy-D-tyrosine CAS 3916-18-5

Purity 97%+In StockPharmaceutical Standards
CAS No.3916-18-5
Molecular FormulaC9H11NO5
Molecular Weight213.19 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

rel-(βS)-β,3-Dihydroxy-D-tyrosine CAS 3916-18-5 chemical structure

Description

CATO supplies rel-(βS)-β,3-Dihydroxy-D-tyrosine (CAS 3916-18-5), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C9H11NO5. Molecular weight: 213.19 g/mol. Batch-specific COA and technical support are available on request.

Physical & Chemical Properties

Molecular FormulaC9H11NO5
Molecular Weight213.19 g/mol
AppearanceOff-white to pale yellow crystalline powder. (faint amine-like odor)
Purity97%+
StorageStore at 2-8°C, protect from light, keep sealed and dry
Solubility (reference)Soluble in methanol, ethanol, DMSO
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening
Degree of Unsaturation (DBE)5.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1958
Nitrogen Atoms1

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