Levothyroxine EP Impurity D CAS 67-30-1

Purity >95%In StockPharmacopoeial Impurity Standards
CAS No.67-30-1
Molecular FormulaC14H8I4O4
Molecular Weight747.83 g/mol
CategoryPharmacopoeial Impurity Standards / EP Impurities
AvailabilityIn Stock

Chemical Structure

Levothyroxine EP Impurity D CAS 67-30-1 chemical structure

Description

High-purity Levothyroxine EP Impurity D (CAS 67-30-1) pharmacopoeial impurity standards reference standard. Molecular formula: C14H8I4O4. Molecular weight: 747.83 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.

Physical & Chemical Properties

Molecular FormulaC14H8I4O4
Molecular Weight747.83 g/mol
Purity>95%
StorageStore in a cool place (≤25°C), protect from light, keep sealed and dry
Solubility (reference)Soluble in chloroform, dichloromethane, ethyl acetate, DMSO
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions
Degree of Unsaturation (DBE)9.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1957
Halogen ContentI-containing

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