Registration Dossier

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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.

The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.

Diss Factsheets

Identification

Chemical structure
Display Name:
DL-thyroxin
EC Number:
200-101-1
EC Name:
DL-thyroxin
CAS Number:
51-48-9
Molecular formula:
C15H11I4NO4
IUPAC Name:
O-(4-hydroxy-3,5-diiodophenyl)-3,5-diiodotyrosine

Type of Substance

Composition:
mono-constituent substance
Origin:
organic

Substance Identifiers

Compositions

Boundary Composition(s)

Legal Entity Composition(s) open all close all

State Form:
solid: particulate/powder


Constituent 1
Chemical structure
Reference substance name:
DL-thyroxin
EC Number:
200-101-1
EC Name:
DL-thyroxin
CAS Number:
51-48-9
Molecular formula:
C15H11I4NO4
IUPAC Name:
O-(4-hydroxy-3,5-diiodophenyl)-3,5-diiodotyrosine

Composition(s) generated upon use

Other types of composition(s)