L-Thyroxine, 97+%, Thermo Scientific Chemicals

Catalog No.	Quantity	Packaging
AC215662500	250 mg	Glass bottle
AC215660010	1 g	Glass bottle
AC215660050	5 g	Glass bottle

Catalog No. AC215662500 Supplier Thermo Scientific Chemicals Supplier No. 215662500

Description

This Thermo Scientific Chemicals brand product was originally part of the Acros Organics product portfolio. Some documentation and label information may refer to the legacy brand. The original Acros Organics product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.

Specifications

Chemical Identifiers

• CAS: 51-48-9
• Molecular Formula: C15H11I4NO4
• Molecular Weight (g/mol): 776.87
• MDL Number: MFCD00002595
• InChI Key: XUIIKFGFIJCVMT-UHFFFAOYNA-N
• Synonym: l-thyroxine, levothyroxine, thyroxine, thyroxin, synthroid, tetraiodothyronine, thyrax, levothyroxin, thyratabs, thyreoideum
• PubChem CID: 5819
• ChEBI: CHEBI:18332
• IUPAC Name: (2S)-2-amino-3-[4-(4-hydroxy-3,5-diiodophenoxy)-3,5-diiodophenyl]propanoic acid
• SMILES: NC(CC1=CC(I)=C(OC2=CC(I)=C(O)C(I)=C2)C(I)=C1)C(O)=O

• Melting Point: 235.0°C to 236.0°C
• Color: White to Beige
• Loss on Drying: 1.0% max.
• Infrared Spectrum: Authentic
• Assay Percent Range: 97% min. (HPLC)
• Packaging: Glass bottle
• Quantity: 250 mg
• Beilstein: 14, IV, 2373
• Merck Index: 15, 9570
• Specific Rotation Condition: − 5.00 (20.00°C 1N NaOH:EtOH 1:2)
• Specific Rotation: − 5.00
• Solubility Information: Solubility in water: insoluble. Other solubilities: insoluble in alcohol and most other common, organic solvents, soluble in alcohol in the presence of mineral, acids or alkalies
• Formula Weight: 776.86
• Percent Purity: 97+%
• Physical Form: Powder
• Chemical Name or Material: L-Thyroxine

Safety and Handling

EINECSNumber

200-101-1

SDS

RUO – Research Use Only