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Pharmacopeial Impurities (EP / USP / BP)

Levothyroxine EP Impurity I

Reference StandardAvailable on request

Order Levothyroxine EP Impurity I (CAS 2016-06-0) online at Zemixal: C13H6I4O3, COA and SDS with every lot, worldwide shipping.

Pack sizes
Levothyroxine EP Impurity I chemical structure
CAS number2016-06-0
FormulaC13H6I4O3
Molar mass717.8 g/mol
Physical formSolid
HS code38229090
InChIKeyXXHLJTORMPKPTC-UHFFFAOYSA-N
IUPAC name4-(4-hydroxy-3,5-diiodophenoxy)-3,5-diiodobenzaldehyde

About Levothyroxine EP Impurity I

Analytical teams working on Levothyroxine use Levothyroxine EP Impurity I as a qualified comparison standard. Key data (Reference Standard): CAS 2016-06-0, formula C13H6I4O3 and molar mass 717.8 g/mol. It is handled as a solid.

Use cases we see most often

  • Pharmacopeial method verification
  • Impurity profiling
  • QC release testing
  • ANDA / DMF filings

Standard pack sizes are 10 mg, 25 mg, 50 mg and 100 mg, and custom quantities are quoted on request. Each lot travels with a certificate of analysis with characterisation data. Request pricing online and we confirm availability, documentation and freight to your country.

Reference standards for Levothyroxine

See every impurity, metabolite and related compound we list for this API.

Levothyroxine standards

Typical uses

  • Pharmacopeial method verification
  • Impurity profiling
  • QC release testing
  • ANDA / DMF filings

Applications

Pharmaceutical Manufacturing and QCResearch Labs and Universities

Grade guides

Ph. Eur. Grade (European Pharmacopoeia)

Specifications and identifiers

Specifications of Levothyroxine EP Impurity I
Product nameLevothyroxine EP Impurity I
Catalogue numberZX-005799
CAS number2016-06-0
IUPAC name4-(4-hydroxy-3,5-diiodophenoxy)-3,5-diiodobenzaldehyde
Molecular formulaC13H6I4O3
Molar mass717.8 g/mol
Exact mass717.6496
GradeReference Standard
Physical formSolid
XLogP35.2
H-bond donors / acceptors1 / 3
Topological polar surface area46.5 Ų
HS code38229090
InChIKeyXXHLJTORMPKPTC-UHFFFAOYSA-N
SMILESC1=C(C=C(C(=C1I)OC2=CC(=C(C(=C2)I)O)I)I)C=O
PubChem CID71586788
Synonyms3,5,3',5'-Tetraiodo Thyroaldehyde, T4-Aldehyde(USP), Levothyroxine Benzaldehyde Impurity, T4-aldehyde, Benzaldehyde, 4-(4-hydroxy-3,5-diiodophenoxy)-3,5-diiodo-, Levothyroxine sodium impurity, T4-aldehyde-(USP), Levothyroxine sodium impurity I

Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.

Safety and GHS hazards

No GHS classification is on file for this item. Handle it as an unknown laboratory chemical and request the SDS with your quotation.

Pack sizes

Pack sizes of Levothyroxine EP Impurity I
10 mgQuoted on request
25 mgQuoted on request
50 mgQuoted on request
100 mgQuoted on request

Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.

Questions about Levothyroxine EP Impurity I

Which CAS number identifies Levothyroxine EP Impurity I?
Levothyroxine EP Impurity I is registered under CAS 2016-06-0. You may also see it listed as 3,5,3',5'-Tetraiodo Thyroaldehyde, T4-Aldehyde(USP), Levothyroxine Benzaldehyde Impurity. Our catalogue number for this item is ZX-005799.
What are the formula and molar mass of Levothyroxine EP Impurity I?
For Levothyroxine EP Impurity I, its formula is C13H6I4O3 and its molar mass is 717.8 g/mol. The systematic (IUPAC) name is 4-(4-hydroxy-3,5-diiodophenoxy)-3,5-diiodobenzaldehyde. InChIKey XXHLJTORMPKPTC-UHFFFAOYSA-N lets you match it in any structure database.
How is Levothyroxine EP Impurity I used in pharmaceutical QC?
Levothyroxine EP Impurity I is a characterised reference material linked to Levothyroxine. Laboratories use it to identify and quantify this impurity during method development and validation, stability work, batch release testing and regulatory submissions.
What grade and pack sizes are available for Levothyroxine EP Impurity I?
This listing is Reference Standard grade. Standard packs are 10 mg, 25 mg, 50 mg, 100 mg. Larger quantities and custom packing can be quoted on request.
Which documents come with Levothyroxine EP Impurity I?
Each lot ships with a batch certificate of analysis and a 16-section GHS safety data sheet. A typical COA or specification sheet can be shared with the quotation before you order.
Can Zemixal ship Levothyroxine EP Impurity I to my country?
Yes. Levothyroxine EP Impurity I ships worldwide by express courier, air cargo or sea freight, quoted on the Incoterm you prefer, with full export documents.

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