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Pharmacopeial Impurities (EP / USP / BP)Reference StandardAvailable on request

Levothyroxine EP Impurity J

Synonyms: Levothyroxine - Impurity J · 3,3'-Diiodo-L-thyronine · O-(4-Hydroxy-3-iodophenyl)-3-iodo-L-tyrosine · L-3,3'-Diiodothyronine

CAS No.4604-41-5
FormulaC15H13I2NO4
Mol. weight525.08
Catalogue No.VQ-034855
PurityReference Standard
HSN38229090

Levothyroxine EP Impurity J (CAS 4604-41-5) – Levothyroxine impurity standard. C15H13I2NO4, MW 525.08. Request a quote: COA, bulk packs and worldwide export.

Pack sizesPrice on quotation · bulk available
10 mg
25 mg
50 mg
100 mg
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 Levothyroxine EP Impurity J

Vaqora Chemicals supplies Levothyroxine EP Impurity J, a pharmacopeial impurity of Levothyroxine registered under CAS number 4604-41-5. Its molecular formula is C15H13I2NO4 and its molecular weight is 525.08 g/mol. Systematically, it is named (2S)-2-amino-3-[4-(4-hydroxy-3-iodophenoxy)-3-iodophenyl]propanoic acid. Alternative names: Levothyroxine - Impurity J and 3,3'-Diiodo-L-thyronine.

It is supplied as a solid. Reference materials should be stored sealed and away from light and moisture, as specified on the accompanying COA. The GHS classification uses the signal word “Warning”, so appropriate gloves, eye protection and ventilation are recommended.

As a characterised impurity of Levothyroxine, it is used for analytical method development, method validation (AMV) and routine quality-control testing, and it supports ANDA and DMF regulatory filings. It is used across pharmaceutical manufacturing and academic and industrial research.

Vaqora Chemicals supplies Levothyroxine EP Impurity J in 10 mg, 25 mg, 50 mg and 100 mg packs, each shipped with a Certificate of Analysis (COA), and exports worldwide.

Typical applications

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

Industries

Related to Levothyroxine

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

Levothyroxine impurities

Grade guides

Specifications & identifiers

Chemical identifiers
Product nameLevothyroxine EP Impurity J
Catalogue No.VQ-034855
CAS Number4604-41-5
IUPAC name(2S)-2-amino-3-[4-(4-hydroxy-3-iodophenoxy)-3-iodophenyl]propanoic acid
Molecular formulaC15H13I2NO4
Molecular weight525.08 g/mol
Exact mass524.8934
GradeReference Standard
HSN code38229090
InChIKeyCPCJBZABTUOGNM-LBPRGKRZSA-N
SMILESC1=CC(=C(C=C1C[C@@H](C(=O)O)N)I)OC2=CC(=C(C=C2)O)I
PubChem CID107564
Physical properties
Physical formSolid
LogP (XLogP3)1.1
H-bond donors / acceptors3 / 5
TPSA92.8 Ų
SynonymsLevothyroxine - Impurity J, 3,3'-Diiodo-L-thyronine, O-(4-Hydroxy-3-iodophenyl)-3-iodo-L-tyrosine, L-3,3'-Diiodothyronine, 3,3'-Diiodothyronine, L-, L-tyrosine, O-(4-hydroxy-3-iodophenyl)-3-iodo-, (2S)-2-Amino-3-(4-(4-hydroxy-3-iodophenoxy)-3-iodophenyl)propanoate, (2S)-2-Amino-3-[4-(4-hydroxy-3-iodophenoxy)-3-iodophenyl]propanoate, (2S)-2-azaniumyl-3-(4-(4-hydroxy-3-iodophenoxy)-3-iodophenyl)propanoate, (2S)-2-azaniumyl-3-[4-(4-hydroxy-3-iodophenoxy)-3-iodophenyl]propanoate, (S)-2-amino-3-(4-(4-hydroxy-3-iodophenoxy)-3-iodophenyl)propanoic acid, 3-[4-(4-hydroxy-3-iodophenoxy)-3-iodophenyl]-L-alanine

Safety & hazard information (GHS)

GHS07 Harmful / irritant
Harmful / irritant

Signal word: Warning

Hazard statements

  • H302Harmful if swallowed

Precautionary statements: P264, P270, P301 + P317, P330, 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 Levothyroxine EP Impurity J?

The CAS Registry Number of Levothyroxine EP Impurity J is 4604-41-5. It is also known as Levothyroxine - Impurity J, 3,3'-Diiodo-L-thyronine, O-(4-Hydroxy-3-iodophenyl)-3-iodo-L-tyrosine.

What is the molecular formula and molecular weight of Levothyroxine EP Impurity J?

Levothyroxine EP Impurity J has the molecular formula C15H13I2NO4 and a molecular weight of 525.08 g/mol. Its IUPAC name is (2S)-2-amino-3-[4-(4-hydroxy-3-iodophenoxy)-3-iodophenyl]propanoic acid.

What is Levothyroxine EP Impurity J used for?

Levothyroxine EP Impurity J 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 Levothyroxine EP Impurity J can I order?

We supply Levothyroxine EP Impurity J in Reference Standard grade, in 10 mg, 25 mg, 50 mg, 100 mg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Levothyroxine EP Impurity J?

Yes. Every lot of Levothyroxine EP Impurity J 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 Levothyroxine EP Impurity J be shipped internationally?

Yes. Levothyroxine EP Impurity J 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.

Enquire about Levothyroxine EP Impurity J

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Why buyers choose Vaqora

  • Batch-traceable lots with COA
  • R&D packs to multi-tonne supply
  • IATA / IMDG dangerous-goods packing
  • EXW, FOB, CIF, DAP Incoterms
  • Custom synthesis & sourcing
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MW
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Reference Standard
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51-49-0
Formula
C15H11I4NO4
MW
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