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VAQORACHEMICALS

3,5-Diiodothyropropionic Acid (Stage-2)

Synonyms: Ethyl 3,5-dinitro-4-hydroxyhydrocinnamate

CAS No.81650-04-6
FormulaC11H12N2O7
Mol. weight284.22
Catalogue No.VQ-012980
PurityReference Standard
HSN—

3,5-Diiodothyropropionic Acid (Stage-2) (CAS 81650-04-6) – Levothyroxine intermediate. C11H12N2O7, MW 284.22. Vaqora Chemicals: COA, global shipping.

Pack sizesPrice on quotation · bulk available
10 mg
25 mg
50 mg
100 mg
250 mg
500 mg
1 g
Bulk / custom pack · kg to MT
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Batch COA with every lot
16-section GHS SDS
Export to 120+ countries
DG-compliant packing

About 3,5-Diiodothyropropionic Acid (Stage-2)

3,5-Diiodothyropropionic Acid (Stage-2) is a process intermediate or related compound of Levothyroxine carrying the CAS registry number 81650-04-6. Its molecular formula is C11H12N2O7 and its molecular weight is 284.22 g/mol. Its systematic (IUPAC) name is ethyl 3-(4-hydroxy-3,5-dinitrophenyl)propanoate. It is also known as Ethyl 3,5-dinitro-4-hydroxyhydrocinnamate.

It is supplied as a solid. Store the standard in its sealed vial, protected from light and moisture, and follow the storage condition printed on the COA. It carries the GHS signal word “Danger” with 1 hazard statement. Review the Safety Data Sheet before use.

It is a process intermediate or related compound in the synthesis of Levothyroxine, useful for route development, impurity fate-and-purge studies and analytical method development. Buyers come mainly from pharmaceutical manufacturing and academic and industrial research.

We offer 3,5-Diiodothyropropionic Acid (Stage-2) in 10 mg, 25 mg, 50 mg and 100 mg packs with a batch-specific COA, and ship to customers worldwide. This item is currently in stock for prompt dispatch.

Typical applications

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

Industries

Related to Levothyroxine

View every impurity, metabolite and intermediate we list for Levothyroxine.

Levothyroxine impurities

Specifications & identifiers

Chemical identifiers
Product name3,5-Diiodothyropropionic Acid (Stage-2)
Catalogue No.VQ-012980
CAS Number81650-04-6
IUPAC nameethyl 3-(4-hydroxy-3,5-dinitrophenyl)propanoate
Molecular formulaC11H12N2O7
Molecular weight284.22 g/mol
Exact mass284.0645
GradeReference Standard
InChIKeyYLIMSIWQDHNBCZ-UHFFFAOYSA-N
SMILESCCOC(=O)CCC1=CC(=C(C(=C1)[N+](=O)[O-])O)[N+](=O)[O-]
PubChem CID2774197
Physical properties
Physical formSolid
LogP (XLogP3)2.2
H-bond donors / acceptors1 / 7
TPSA138 Ų

Safety & hazard information (GHS)

GHS06 Toxic
Toxic

Signal word: Danger

Hazard statements

  • H301Toxic if swallowed

Precautionary statements: P264, P270, P301 + P316, P321, P330, P405, P501

Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

Documents

Frequently asked questions

What is the CAS number of 3,5-Diiodothyropropionic Acid (Stage-2)?

The CAS Registry Number of 3,5-Diiodothyropropionic Acid (Stage-2) is 81650-04-6. It is also known as Ethyl 3,5-dinitro-4-hydroxyhydrocinnamate.

What is the molecular formula and molecular weight of 3,5-Diiodothyropropionic Acid (Stage-2)?

3,5-Diiodothyropropionic Acid (Stage-2) has the molecular formula C11H12N2O7 and a molecular weight of 284.22 g/mol. Its IUPAC name is ethyl 3-(4-hydroxy-3,5-dinitrophenyl)propanoate.

What is 3,5-Diiodothyropropionic Acid (Stage-2) used for?

3,5-Diiodothyropropionic Acid (Stage-2) is supplied as a characterised reference material related to Levothyroxine. It is used for analytical method development and validation (AMV), impurity profiling, stability studies and quality control, and in ANDA/DMF regulatory filings.

Which grade and pack sizes of 3,5-Diiodothyropropionic Acid (Stage-2) can I order?

We supply 3,5-Diiodothyropropionic Acid (Stage-2) in Reference Standard grade, in 10 mg, 25 mg, 50 mg, 100 mg, 250 mg, 500 mg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with 3,5-Diiodothyropropionic Acid (Stage-2)?

Yes. Every lot of 3,5-Diiodothyropropionic Acid (Stage-2) is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can 3,5-Diiodothyropropionic Acid (Stage-2) be shipped internationally?

Yes. 3,5-Diiodothyropropionic Acid (Stage-2) is classified as hazardous, so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.

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