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API Process Intermediates & Related Compounds

3,5-Diiodothyropropionic Acid (Stage-5)

Reference StandardIn stock

Buy 3,5-Diiodothyropropionic Acid (Stage-5) (CAS 101792-51-2) from Zemixal: C18H18I2O4, COA and SDS with every lot, worldwide shipping.

Pack sizes
3,5-Diiodothyropropionic Acid (Stage-5) chemical structure
CAS number101792-51-2
FormulaC18H18I2O4
Molar mass552.1 g/mol
Physical formSolid
InChIKeyABHQEQPZUBPSHJ-UHFFFAOYSA-N
IUPAC nameethyl 3-[3,5-diiodo-4-(4-methoxyphenoxy)phenyl]propanoate

About 3,5-Diiodothyropropionic Acid (Stage-5)

Zemixal supplies 3,5-Diiodothyropropionic Acid (Stage-5) within its pharma Intermediates & Building Blocks portfolio. Key data (Reference Standard): CAS 101792-51-2, formula C18H18I2O4 and molar mass 552.1 g/mol. It is handled as a solid.

Use cases we see most often

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

Safe handling

Handle with the usual laboratory precautions and consult the SDS supplied with each lot.

Order it in 10 mg, 25 mg, 50 mg, 100 mg and 250 mg packs or ask for a bulk quotation. Each lot travels with a batch certificate of analysis and a 16-section SDS. 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

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

Applications

Specifications and identifiers

Specifications of 3,5-Diiodothyropropionic Acid (Stage-5)
Product name3,5-Diiodothyropropionic Acid (Stage-5)
Catalogue numberZX-012041
CAS number101792-51-2
IUPAC nameethyl 3-[3,5-diiodo-4-(4-methoxyphenoxy)phenyl]propanoate
Molecular formulaC18H18I2O4
Molar mass552.1 g/mol
Exact mass551.9294
GradeReference Standard
Physical formSolid
XLogP35.2
H-bond donors / acceptors0 / 4
Topological polar surface area44.8 Ų
InChIKeyABHQEQPZUBPSHJ-UHFFFAOYSA-N
SMILESCCOC(=O)CCC1=CC(=C(C(=C1)I)OC2=CC=C(C=C2)OC)I
PubChem CID12111431
Synonyms3,5-Diiodo-4-(4-methoxyphenoxy)-benzenepropanoicAcidEthylEster, Ethyl 3-(3,5-diiodo-4-(4-methoxyphenoxy)phenyl)propanoate, starbld0047115, 3,5-Diiodo-4-(4-methoxyphenoxy)-benzenepropanoic Acid Ethyl Ester

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 3,5-Diiodothyropropionic Acid (Stage-5)
10 mgQuoted on request
25 mgQuoted on request
50 mgQuoted on request
100 mgQuoted on request
250 mgQuoted on request
500 mgQuoted on request
1 gQuoted on request

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

Questions about 3,5-Diiodothyropropionic Acid (Stage-5)

Which CAS number identifies 3,5-Diiodothyropropionic Acid (Stage-5)?
3,5-Diiodothyropropionic Acid (Stage-5) is registered under CAS 101792-51-2. You may also see it listed as 3,5-Diiodo-4-(4-methoxyphenoxy)-benzenepropanoicAcidEthylEster, Ethyl 3-(3,5-diiodo-4-(4-methoxyphenoxy)phenyl)propanoate, starbld0047115. Our catalogue number for this item is ZX-012041.
What are the formula and molar mass of 3,5-Diiodothyropropionic Acid (Stage-5)?
For 3,5-Diiodothyropropionic Acid (Stage-5), its formula is C18H18I2O4 and its molar mass is 552.1 g/mol. The systematic (IUPAC) name is ethyl 3-[3,5-diiodo-4-(4-methoxyphenoxy)phenyl]propanoate. InChIKey ABHQEQPZUBPSHJ-UHFFFAOYSA-N lets you match it in any structure database.
How is 3,5-Diiodothyropropionic Acid (Stage-5) used in pharmaceutical QC?
3,5-Diiodothyropropionic Acid (Stage-5) 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 3,5-Diiodothyropropionic Acid (Stage-5)?
This listing is Reference Standard grade. Standard packs are 10 mg, 25 mg, 50 mg, 100 mg, 250 mg, 500 mg. Larger quantities and custom packing can be quoted on request.
Which documents come with 3,5-Diiodothyropropionic Acid (Stage-5)?
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 3,5-Diiodothyropropionic Acid (Stage-5) to my country?
Yes. 3,5-Diiodothyropropionic Acid (Stage-5) ships worldwide by express courier, air cargo or sea freight, quoted on the Incoterm you prefer, with full export documents.

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