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API Impurities

Levothyroxine Acetamide Impurity

Reference StandardIn stock

Levothyroxine Acetamide Impurity (CAS 176258-88-1) supplier Zemixal. Request a quote with price, lead time and documents.

Pack sizes
Levothyroxine Acetamide Impurity chemical structure
CAS number176258-88-1
FormulaC14H9I4NO3
Molar mass746.84 g/mol
Physical formSolid
HS code38229090
InChIKeyMNMHUDWTDPTECO-UHFFFAOYSA-N
IUPAC name2-[4-(4-hydroxy-3,5-diiodophenoxy)-3,5-diiodophenyl]acetamide

About Levothyroxine Acetamide Impurity

Analytical teams working on Levothyroxine use Levothyroxine Acetamide Impurity as a qualified comparison standard. Identity at a glance (Reference Standard): CAS 176258-88-1, formula C14H9I4NO3 and molar mass 746.84 g/mol. It is handled as a solid.

Common uses in the lab and plant

  • Analytical method development
  • Method validation (AMV)
  • QC release testing
  • ANDA / DMF filings

Available as 10 mg, 25 mg and 50 mg. Larger or split packs can be arranged. You receive a certificate of analysis with characterisation data with each order. Send an enquiry through the quote panel and you get a formal offer with Incoterms and delivery time.

Reference standards for Levothyroxine

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

Levothyroxine standards

Typical uses

  • Analytical method development
  • Method validation (AMV)
  • QC release testing
  • ANDA / DMF filings

Applications

Specifications and identifiers

Specifications of Levothyroxine Acetamide Impurity
Product nameLevothyroxine Acetamide Impurity
Catalogue numberZX-004887
CAS number176258-88-1
IUPAC name2-[4-(4-hydroxy-3,5-diiodophenoxy)-3,5-diiodophenyl]acetamide
Molecular formulaC14H9I4NO3
Molar mass746.84 g/mol
Exact mass746.6761
GradeReference Standard
Physical formSolid
XLogP34.5
H-bond donors / acceptors2 / 3
Topological polar surface area72.6 Ų
HS code38229090
InChIKeyMNMHUDWTDPTECO-UHFFFAOYSA-N
SMILESC1=C(C=C(C(=C1I)OC2=CC(=C(C(=C2)I)O)I)I)CC(=O)N
PubChem CID71587580
Synonyms2-(4-(4-hydroxy-3,5-diiodophenoxy)-3,5-diiodophenyl)acetamide, T4-Acetamide, 4-(4-Hydroxy-3,5-diiodophenoxy)-3,5-diiodobenzeneacetamide, 3,5,3',5'-Tetraiodo Thyroacetamide, Benzeneacetamide, 4-(4-hydroxy-3,5-diiodophenoxy)-3,5-diiodo-, 2-(4-(4-Hydroxy-3,5-diiodophenoxy)-3,5-diiodophenyl) acetamide, Levothyroxine sodium impurity, T4-acetamide-(USP), 2-[4-(4-hydroxy-3,5-diiodo-phenoxy)-3,5-diiodo-phenyl]acetamide

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 Acetamide Impurity
10 mgQuoted on request
25 mgQuoted on request
50 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 Acetamide Impurity

Which CAS number identifies Levothyroxine Acetamide Impurity?
Levothyroxine Acetamide Impurity is registered under CAS 176258-88-1. You may also see it listed as 2-(4-(4-hydroxy-3,5-diiodophenoxy)-3,5-diiodophenyl)acetamide, T4-Acetamide, 4-(4-Hydroxy-3,5-diiodophenoxy)-3,5-diiodobenzeneacetamide. Our catalogue number for this item is ZX-004887.
What are the formula and molar mass of Levothyroxine Acetamide Impurity?
For Levothyroxine Acetamide Impurity, its formula is C14H9I4NO3 and its molar mass is 746.84 g/mol. The systematic (IUPAC) name is 2-[4-(4-hydroxy-3,5-diiodophenoxy)-3,5-diiodophenyl]acetamide. InChIKey MNMHUDWTDPTECO-UHFFFAOYSA-N lets you match it in any structure database.
How is Levothyroxine Acetamide Impurity used in pharmaceutical QC?
Levothyroxine Acetamide Impurity 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 Acetamide Impurity?
This listing is Reference Standard grade. Standard packs are 10 mg, 25 mg, 50 mg. Larger quantities and custom packing can be quoted on request.
Which documents come with Levothyroxine Acetamide Impurity?
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 Acetamide Impurity to my country?
Yes. Levothyroxine Acetamide Impurity ships worldwide by express courier, air cargo or sea freight, quoted on the Incoterm you prefer, with full export documents.

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