Identification
CAS Number
55-03-8(25416-65-3)
Name
Levothyroxine sodium
Synonyms
Levothyroxine Sodium [INN] [USAN]
(2S)-2-Amino-3-[4-(4-hydroxy-3,5-diiodophénoxy)-3,5-diiodophényl]propanoate de sodium [French] [ACD/IUPAC Name]
200-221-4 [EINECS]
216-080-7 [EINECS]
453
55-03-8 [RN]
Eltroxin [Trade name]
Euthyrox [Trade name]
L-3,3′,5,5′-Tetraiodothyronine Sodium Salt
Levaxin [Trade name]
Levothroid [Trade name]
lévothyroxine sodique [French] [INN]
levothyroxinum natricum [Latin] [INN]
levotiroxina de sodio [Spanish] [INN]
Levotiroxina sodica [Spanish] [INN]
Levoxyl [Trade name]
L-Thyroxine monosodium salt
L-Thyroxine sodium salt [USP]
L-Tyrosine, O- (4-hydroxy-3,5-diiodophenyl)-3,5-diiodo-, monosodium salt
L-Tyrosine, O-(4-hydroxy-3,5-diiodophenyl)-3,5-diiodo-, sodium salt (1:1) [ACD/Index Name]
Natrium-(2S)-2-amino-3-[4-(4-hydroxy-3,5-diiodphenoxy)-3,5-diiodphenyl]propanoat [German] [ACD/IUPAC Name]
O-(4-Hydroxy-3,5-diiodophenyl)-3,5-diiodo-L-tyrosine Monosodium Salt
Oroxine [Trade name]
Sodium (2S)-2-amino-3-[4-(4-hydroxy-3,5-diiodophenoxy)-3,5-diiodophenyl]propanoate [ACD/IUPAC Name]
Sodium Levothyroxine
Sodium l-thyroxin
SODIUM L-THYROXINE
Synthroid [Trade name]
Thyro-Tabs [Trade name]
левотироксин натрия [Russian] [INN]
ليفوثيروكسين صوديوم [Arabic] [INN]
左甲状腺素钠 [Chinese] [INN]
[55-03-8]
3,3´,5,5´-Tetraiodo-L-thyronine sodium salt
3,3′,5,5′-Tetraiodo-L-thyronine, sodium salt
3,3?,5,5?-Tetraiodo-L-thyronine sodium salt
5721845 [Beilstein]
Dathroid
DL-THYROXINE SODIUM SALT
EINECS 200-221-4
EINECS 216-080-7
Laevoxin
Letter
Levoroxine
Levo-T
Levothyroid
Levothyrox
levothyroxine sodique
Levothyroxine sodique [INN-French]
Levothyroxinesodium
Levothyroxin-natrium
levothyroxinum natricum
Levothyroxinum natricum [INN-Latin]
levotiroxina de sodio
Levotiroxina sodica [INN-Spanish]
Levoxine
L-thyroxine sodium
L-Tyrosine, O-(4-hydroxy-3,5-diiodophenyl)-3,5-diiodo-, monosodium salt
MFCD00002596
Novothyrox
Powdered Thyroid
QA-1528
Ro-thyroxine
Roxstan
sodium (2S)-2-amino-3-[4-(4-hydroxy-3,5-diiodo-phenoxy)-3,5-diiodo-phenyl]propanoate
sodium (2S)-2-amino-3-[4-(4-hydroxy-3,5-diiodo-phenoxy)-3,5-diiodo-phenyl]propionate
sodium (S)-2-amino-3-(4-(4-hydroxy-3,5-diiodophenoxy)-3,5-diiodophenyl)propanoate
SODIUM LEVOTHYROXINE(1-)
sodium O-(4-hydroxy-3,5-diiodophenyl)-3,5-diiodo-L-tyrosinate
Sodium thyroxin
Sodium thyroxinate
Sodium thyroxine
Sodiumlevothyroxine
Sodium-L-thyroxine
Soloxine
ST5330577
Synthroid sodium
Tetroid
Thyradin [Wiki]
Thyradin S
Thyrax [Wiki]
Thyroid [Wiki]
Thyrol L
Thyronamin
Thyroxevan
Thyroxin sodium
Thyroxine sodique
thyroxine sodium
THYROXINE, MONOSODIUM SALT, L-
Thyroxinum natricum
Tiroidina
tirosint
Unithroid
SMILES
c1c(cc(c(c1I)Oc2cc(c(c(c2)I)O)I)I)C[C@@H](C(=O)[O-])N.[Na+]
StdInChI
StdInChIKey
YDTFRJLNMPSCFM–YDALLXLXSA-M
Molecular Formula
C15H10I4NNaO4
Molecular Weight
798.852
EINECS
MDL Number
Properties
Appearance
Off-white to buff colored powder
Safety Data
Personal Protective Equipment
Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter
RIDADR
NONH for all modes of transport
WGK Germany
3
Specifications and Other Information of Our Levothyroxine sodium CAS 55-03-8(25416-65-3)
Identification Methods
HPLC
Assay
100%~103%
Specific Optical Rotation
-5 ° ~ -6 °
Water
≤11%
Related substances
Liothyronine
≤1.0%
Beta hydroxy-T 4a
≤ 0.15%
T4-Hydroxy Acetic acid
≤0.15%
N-Formyl-T4 and T4 Acetamide
≤0.15%
N-Acetyl-T 4
≤0.20%
T4-Acetici acid
≤0.30%
T4-Aldehyde
≤0.15%
T4-Benzoic Acid
≤0.15%
Individual unspecified impurity
≤0.10%
Total impurities
≤0.20%
Residual solvents
Ethanol
≤5000ppm
1-Propanol
≤5000ppm
2-propanol
≤5000ppm
lsopropyl acetate
≤5000ppm
Acetic acid content (by HPLC)
≤5000ppm
Shelf Life
1 year
Storage
Store in a closed container at room temperature at 25℃~30 ℃.
Productivity
1MT/month
Known Application
Commonly used as corticosteroid.