Safety Reference
Warning
H302Harmful if swallowed
H312Harmful in contact with skin
H332Harmful if inhaled
Sourcing Levothyroxine sodium pentahydrate?
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Levothyroxine sodium
pharmaceutical raw material
Sourcing Levothyroxine sodium pentahydrate?
Post a free purchase request — no account needed. It reaches suppliers of this product, and replies go straight to your inbox.
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.
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.
The international HS code for Levothyroxine sodium pentahydrate (CAS 6106-07-6) is 2937.90.
2937.90
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.
sodium;(2S)-2-amino-3-[4-(4-hydroxy-3,5-diiodophenoxy)-3,5-diiodophenyl]propanoate;pentahydrate
JMHCCAYJTTWMCX-QWPJCUCISA-M
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+]