C15H20I4NNaO9
888.93 g/mol
APIWarning
Levothyroxine sodium pentahydrate
CAS6106-07-6
Category
API
Compound Class
Organic Acid
Primary Use
Pharmaceutical Raw Material
Levothyroxine sodium pentahydrate is a pharmaceutical raw material consisting of the sodium salt of the thyroid hormone thyroxine (T4) in a hydrate form. It is primarily supplied to pharmaceutical manufacturers for use in the production of active pharmaceutical ingredients.
pharmaceutical manufacturingactive pharmaceutical ingredient production
Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.
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Related Compounds
StrongSame Parent
Sodium levothyroxine hydrate
CAS25416-65-3
pharmaceutical raw material
StrongSame Parent
Levothyroxine sodium
CAS55-03-8
pharmaceutical raw material
SimilarStructure SimilarSimilarity 0.75
Liothyronine sodium
CAS55-06-1
pharmaceutical raw material
ReferenceSame Category
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pharmaceutical raw material
ReferenceSame Category
Lidocaine hydrochloride monohydrate
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pharmaceutical raw material
ReferenceSame Category
Paraxanthine
CAS611-59-6
pharmaceutical raw material
ReferenceSame Category
DL-Mandelic acid
CAS611-72-3
pharmaceutical raw material
Referencestereoisomer of
L-thyroxine zwitterion
CAS51-48-9
pharmaceutical raw material
Safety Reference
Warning
H302Harmful if swallowed
H312Harmful in contact with skin
H332Harmful if inhaled
Customs Tariff Classification
The international HS code for Levothyroxine sodium pentahydrate (CAS 6106-07-6) is 2937.90.
HS code (international, 6-digit)
2937.90
EU CN code (8-digit)
2937 90 00
Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.
Identifiers
IUPAC Name
sodium;(2S)-2-amino-3-[4-(4-hydroxy-3,5-diiodophenoxy)-3,5-diiodophenyl]propanoate;pentahydrate
InChIKey
JMHCCAYJTTWMCX-QWPJCUCISA-M
SMILES
C1=C(C=C(C(=C1I)OC2=CC(=C(C(=C2)I)O)I)I)C[C@@H](C(=O)[O-])N.O.O.O.O.O.[Na+]
Synonyms (21)
- LEVOTHYROXINE SODIUM
- LIOTRIX (T4)
- Levothyroxine sodium hydrate
- Sodium levothyroxine, T4
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