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I8250 Sigma-Aldrich

3-Iodo-L-tyrosine

Synonym: 3-Monoiodo-L-tyrosine

  • CAS Number 70-78-0

  • Linear Formula IC6H3-4-(OH)CH2CH(NH2)CO2H

  • Molecular Weight 307.09

  •  Beilstein/REAXYS Number 2941266

  •  EC Number 200-744-8

  •  MDL number MFCD00002608

  •  eCl@ss 32160406

  •  PubChem Substance ID 24278154

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Properties

Related Categories Cell Biology, Cell Signaling and Neuroscience, Enzyme Inhibitors, Neuroscience, Neurotransmission,
InChI Key   UQTZMGFTRHFAAM-ZETCQYMHSA-N
impurities   ~5% tyrosine
mp   210 °C (dec.) (lit.)
solubility   dilute aqueous acid: soluble
storage temp.   −20°C
Gene Information   human ... TH(7054)

Description

General description

Iodotyrosine coupled with di-iodotyrosine results in the synthesis of 3,5,3′-tri-iodothyronine (T3) or 3,3′,5′-tri-iodothyronine (rT3).

Application

3-Iodo-L-tyrosine has been used as an inhibitor for tyrosine hydroxylase enzyme in Drosophila and silkworm pupae.

Packaging

1, 5, 25 g in poly bottle

Biochem/physiol Actions

3-iodotyrosine (3-IY) inhibits tyrosine hydroxylase that catalyzes levodopa (L-DOPA) formation from tyrosine. Iodotyrosine deiodinase enzyme deficiency leads to elevated levels of 3-IY in serum and urine in severe hypothyroidism and goiter.

TH (tyrosine 3-hydroxylase) is responsible for catalyzing the first step of the noradrenergic biosynthesis pathway. Mutations in TH are associated with tyrosine hydroxylase deficiency, leading to conditions such as infantile parkinsonism and DOPA (dopamine)-responsive dystonia as well as encephalopathy with perinatal onset.

Tyrosine hydroxylase inhibitor.

Features and Benefits

This compound is also offered as part of Sigma′s Library of Pharmacologically Active Compounds (LOPAC®1280), a biologically annotated collection of high-quality, ready-to-screen compounds. Click here to learn more.

Legal Information

LOPAC is a registered trademark of Sigma-Aldrich Co. LLC

Safety & Documentation

Safety Information

RIDADR 
NONH for all modes of transport
WGK Germany 
3

Documents

Certificate of Analysis

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Certificate of Origin

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Milli-Q® Water Purification Solutions
Protocols & Articles
Peer-Reviewed Papers
15

References

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92210 Timestrip Plus 0 °C
06693 Timestrip Plus -20 °C

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