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API Process Intermediates & Related Compounds

Thyropropic acid

Reference StandardAvailable on request

Buy Thyropropic acid (CAS 51-26-3) from Zemixal. Lab and bulk packs, batch COA, fast global delivery. Catalogue no. ZX-012882.

Pack sizes
Thyropropic acid chemical structure
CAS number51-26-3
FormulaC15H11I3O4
Molar mass635.96 g/mol
Physical formSolid
InChIKeyVRORTNGXAKZJML-UHFFFAOYSA-N
IUPAC name3-[4-(4-hydroxy-3-iodophenoxy)-3,5-diiodophenyl]propanoic acid

About Thyropropic acid

Zemixal supplies Thyropropic acid within its pharma Intermediates & Building Blocks portfolio. Key data (Reference Standard): CAS 51-26-3, formula C15H11I3O4 and molar mass 635.96 g/mol. It is handled as a solid.

Typical applications

  • API route development
  • Impurity fate & purge studies
  • Analytical method development

Safe handling

No GHS classification is recorded for this item, but handle it with normal laboratory care.

Order it in 10 mg, 25 mg, 50 mg and 100 mg packs or ask for a bulk quotation. You receive a batch certificate of analysis and a 16-section SDS 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

  • API route development
  • Impurity fate & purge studies
  • Analytical method development

Applications

Specifications and identifiers

Specifications of Thyropropic acid
Product nameThyropropic acid
Catalogue numberZX-012882
CAS number51-26-3
IUPAC name3-[4-(4-hydroxy-3-iodophenoxy)-3,5-diiodophenyl]propanoic acid
Molecular formulaC15H11I3O4
Molar mass635.96 g/mol
Exact mass635.7792
GradeReference Standard
Physical formSolid
XLogP34.8
H-bond donors / acceptors2 / 4
Topological polar surface area66.8 Ų
InChIKeyVRORTNGXAKZJML-UHFFFAOYSA-N
SMILESC1=CC(=C(C=C1OC2=C(C=C(C=C2I)CCC(=O)O)I)I)O
PubChem CID5804
Synonyms3-(4-(4-hydroxy-3-iodophenoxy)-3,5-diiodophenyl)propanoic acid, 3,3',5-Triiodo Thyropropionic Acid, 4-(4-Hydroxy-3-iodophenoxy)-3,5-diiodo-benzenepropanoic Acid, 4-(4-Hydroxy-3-iodophenoxy)-3,5-diiodo-hydrocinnamic Acid, Atralose, Birodan, 3,3',5-Triiodothyropropionic acid, 4-(4-Hydroxy-3-iodophenoxy)-3,5-diiodobenzenepropanoic acid, Acido tiropropico, Triopron, Triprop, Acide thyropropique, 4-(4-Hydroxy-3-iodophenoxy)-3,5-diiodohydrocinnamic acid

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 Thyropropic acid
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 Thyropropic acid

Which CAS number identifies Thyropropic acid?
Thyropropic acid is registered under CAS 51-26-3. You may also see it listed as 3-(4-(4-hydroxy-3-iodophenoxy)-3,5-diiodophenyl)propanoic acid, 3,3',5-Triiodo Thyropropionic Acid, 4-(4-Hydroxy-3-iodophenoxy)-3,5-diiodo-benzenepropanoic Acid. Our catalogue number for this item is ZX-012882.
What are the formula and molar mass of Thyropropic acid?
For Thyropropic acid, its formula is C15H11I3O4 and its molar mass is 635.96 g/mol. The systematic (IUPAC) name is 3-[4-(4-hydroxy-3-iodophenoxy)-3,5-diiodophenyl]propanoic acid. InChIKey VRORTNGXAKZJML-UHFFFAOYSA-N lets you match it in any structure database.
How is Thyropropic acid used in pharmaceutical QC?
Thyropropic acid 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 Thyropropic acid?
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 Thyropropic acid?
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 Thyropropic acid to my country?
Yes. Thyropropic acid ships worldwide by express courier, air cargo or sea freight, quoted on the Incoterm you prefer, with full export documents.

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