Shipping to 128 countriesCOA and SDS with every lotQuotes within one business day
contact@zemixal.com
Bulk CASAccount
Pharmacopeial Impurities (EP / USP / BP)

Levothyroxine EP Impurity F

Reference StandardIn stock

Levothyroxine EP Impurity F (CAS 911661-90-0) supplier Zemixal. Request a quote with price, lead time and documents. Exported from India with full paperwork.

Pack sizes
Levothyroxine EP Impurity F chemical structure
CAS number911661-90-0
FormulaC21H13I6NO5
Molar mass1120.8 g/mol
Physical formSolid
HS code38229090
InChIKeyDBVHFBLWQRLBJN-KRWDZBQOSA-N
IUPAC name(2S)-2-amino-3-[4-[4-(4-hydroxy-3,5-diiodophenoxy)-3,5-diiodophenoxy]-3,5-diiodophenyl]propanoic acid

About Levothyroxine EP Impurity F

Levothyroxine EP Impurity F is supplied by Zemixal as a characterised reference material for Levothyroxine analysis. Identity at a glance (Reference Standard): CAS 911661-90-0, formula C21H13I6NO5 and molar mass 1120.8 g/mol. It is handled as a solid.

Typical applications

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

Standard pack sizes are 10 mg, 25 mg and 50 mg, and custom quantities are quoted on request. 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

  • 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 F
Product nameLevothyroxine EP Impurity F
Catalogue numberZX-005791
CAS number911661-90-0
IUPAC name(2S)-2-amino-3-[4-[4-(4-hydroxy-3,5-diiodophenoxy)-3,5-diiodophenoxy]-3,5-diiodophenyl]propanoic acid
Molecular formulaC21H13I6NO5
Molar mass1120.8 g/mol
Exact mass1120.5062
GradeReference Standard
Physical formSolid
XLogP35.2
H-bond donors / acceptors3 / 6
Topological polar surface area102 Ų
HS code38229090
InChIKeyDBVHFBLWQRLBJN-KRWDZBQOSA-N
SMILESC1=C(C=C(C(=C1I)OC2=CC(=C(C(=C2)I)OC3=CC(=C(C(=C3)I)O)I)I)I)C[C@@H](C(=O)O)N
PubChem CID71433959
SynonymsThyroxine-4-hydroxy-3,5-diiodophenyl Ether, O-[4-(4-Hydroxy-3,5-diiodophenoxy)-3,5-diiodophenyl]-3,5-diiodo-L-tyrosine, β-[4-[4-(4-Hydroxy-3,5-diiodophenoxy)-3,5-diiodophenoxy]-3,5-diiodophenyl]alanine, O-(4-Hydroxy-3,5-diiodophenyl)thyroxine, L-Tyrosine, O-(4-(4-hydroxy-3,5-diiodophenoxy)-3,5-diiodophenyl)-3,5-diiodo-, Alanine, beta-(4-(4-(4-hydroxy-3,5-diiodophenoxy)-3,5-diiodophenoxy)-3,5-diiodophenyl)-, Levothyroxine sodium impurity, O-(4-hydroxy-3,5-diiodophenyl)thyroxine, or T6-(USP), Levothyroxine sodium specified impurity F

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 F
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 EP Impurity F

Which CAS number identifies Levothyroxine EP Impurity F?
Levothyroxine EP Impurity F is registered under CAS 911661-90-0. You may also see it listed as Thyroxine-4-hydroxy-3,5-diiodophenyl Ether, O-[4-(4-Hydroxy-3,5-diiodophenoxy)-3,5-diiodophenyl]-3,5-diiodo-L-tyrosine, β-[4-[4-(4-Hydroxy-3,5-diiodophenoxy)-3,5-diiodophenoxy]-3,5-diiodophenyl]alanine. Our catalogue number for this item is ZX-005791.
What are the formula and molar mass of Levothyroxine EP Impurity F?
For Levothyroxine EP Impurity F, its formula is C21H13I6NO5 and its molar mass is 1120.8 g/mol. The systematic (IUPAC) name is (2S)-2-amino-3-[4-[4-(4-hydroxy-3,5-diiodophenoxy)-3,5-diiodophenoxy]-3,5-diiodophenyl]propanoic acid. InChIKey DBVHFBLWQRLBJN-KRWDZBQOSA-N lets you match it in any structure database.
How is Levothyroxine EP Impurity F used in pharmaceutical QC?
Levothyroxine EP Impurity F 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 F?
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 EP Impurity F?
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 F to my country?
Yes. Levothyroxine EP Impurity F ships worldwide by express courier, air cargo or sea freight, quoted on the Incoterm you prefer, with full export documents.

More Levothyroxine standards

More in Pharmacopeial Impurities (EP / USP / BP)

Have a list of compounds to price?

Paste up to 200 CAS numbers into Bulk CAS lookup, or send one enquiry for everything in your quote list. We reply with price, lead time and documents.

Bulk CAS lookup Open quote list
Compare 0 of 4Compare now