ChemicalBook CAS DataBase List L-Thyroxine

L-Thyroxine

$5 - $1815

Product nameL-Thyroxine
Cas No51-48-9
MFC15H11I4NO4
MW776.87
EINECS200-101-1
MDL NumberMFCD00002596

Synonyms

3,5,3’,5’-tetraiodothyronine ;beta-[(3,5-diiodo-4-hydroxyphenoxy)-3,5-diiodophenyl]alanine ;l-3,5,3’,5’-tetraiodothyronine ;o-(4-hydroxy-3,5-diiodophenyl)-3,5-diiodo-l-tyrosin ;β-((3,5-Diiodo-4-hydroxyphenoxy)-3,5-diiodophenyl)alanine ;3,5,3',5'-TETRAIODO-L-THYRONINE;3,3',5,5'-TETRAIODO-L-THYRONIN;3,3',5,5'-TETRAIODO-L-THYRONINE

Price

Brand	Packaging	Price	Product name
Activate Scientific AS112933	1g	$41	L-Thyroxine
Activate Scientific AS112933	5G	$112	L-Thyroxine
Activate Scientific AS112933	25g	$385	L-Thyroxine
Activate Scientific AS112933	100g	$1358	L-Thyroxine
AK Scientific C539	5g	$142	L-Thyroxine
Alfa Aesar J62606	1g	$81	L-Thyroxine, 98%
Alfa Aesar J62606	5g	$277	L-Thyroxine, 98%
Ambeed A161768	25g	$258	(S)-2-Amino-3-(4-(4-hydroxy-3,5-diiodophenoxy)-3,5-diiodophenyl)propanoicacid
Ambeed A161768	100g	$809	(S)-2-Amino-3-(4-(4-hydroxy-3,5-diiodophenoxy)-3,5-diiodophenyl)propanoicacid
Ambeed A161768	5g	$72	(S)-2-Amino-3-(4-(4-hydroxy-3,5-diiodophenoxy)-3,5-diiodophenyl)propanoicacid

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Properties

Melting point	235 °C
alpha	-5 º (1N NaOH:EtOH 1:2)
Density	2.4440 (estimate)
Flash point	9℃
storage temp.	Keep in dark place,Inert atmosphere,2-8°C
solubility	Dissolves in 4M ammonium hydroxide in Methanol at 50mg/ml
pka	2.2(at 25℃)
form	Powder
Boiling point	576.3±50.0 °C(Predicted)
color	White to Pale Brown
optical activity	-4.5 to -5.7 [1 mol dm-3 NaOH-ethanol (1:2)] +15 [1 mol dm-3 HCl-95% ethanol (1:2)]
Water Solubility	insoluble
Sensitive	Light Sensitive
Merck	9491
BRN	2228515
InChIKey	XUIIKFGFIJCVMT-LBPRGKRZSA-N
CAS DataBase Reference	51-48-9(CAS DataBase Reference)
EPA Substance Registry System	L-Thyroxine (51-48-9)

L-Thyroxine

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