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Pharmacopeial Impurities (EP / USP / BP)

Levothyroxine EP Impurity J

Reference StandardAvailable on request

Order Levothyroxine EP Impurity J (CAS 4604-41-5) online at Zemixal: C15H13I2NO4, COA and SDS with every lot, worldwide shipping.

Pack sizes
Levothyroxine EP Impurity J chemical structure
CAS number4604-41-5
FormulaC15H13I2NO4
Molar mass525.08 g/mol
Physical formSolid
HS code38229090
InChIKeyCPCJBZABTUOGNM-LBPRGKRZSA-N
IUPAC name(2S)-2-amino-3-[4-(4-hydroxy-3-iodophenoxy)-3-iodophenyl]propanoic acid

About Levothyroxine EP Impurity J

Levothyroxine EP Impurity J is supplied by Zemixal as a characterised reference material for Levothyroxine analysis. For your records (Reference Standard), the material is defined by CAS 4604-41-5, formula C15H13I2NO4 and molar mass 525.08 g/mol. It is handled as a solid.

Typical applications

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

Handling and storage

Classified under GHS with signal word Warning and hazard statements H302. Read the SDS before first use.

Order it in 10 mg, 25 mg, 50 mg and 100 mg packs or ask for a bulk quotation. Every shipment includes a certificate of analysis with characterisation data. 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 J
Product nameLevothyroxine EP Impurity J
Catalogue numberZX-032825
CAS number4604-41-5
IUPAC name(2S)-2-amino-3-[4-(4-hydroxy-3-iodophenoxy)-3-iodophenyl]propanoic acid
Molecular formulaC15H13I2NO4
Molar mass525.08 g/mol
Exact mass524.8934
GradeReference Standard
Physical formSolid
XLogP31.1
H-bond donors / acceptors3 / 5
Topological polar surface area92.8 Ų
HS 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
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

Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.

Safety and GHS hazards

GHS07 Irritant or harmful
Irritant or harmful

Signal word Warning

  • H302Harmful if swallowed

Precautionary statements P264, P270, P301 + P317, P330, P501

Classification summarised from public GHS notifications. It can vary with grade and concentration, so always follow the SDS supplied with your lot.

Pack sizes

Pack sizes of Levothyroxine EP Impurity J
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 Levothyroxine EP Impurity J

Which CAS number identifies Levothyroxine EP Impurity J?
Levothyroxine EP Impurity J is registered under CAS 4604-41-5. You may also see it listed as Levothyroxine - Impurity J, 3,3'-Diiodo-L-thyronine, O-(4-Hydroxy-3-iodophenyl)-3-iodo-L-tyrosine. Our catalogue number for this item is ZX-032825.
What are the formula and molar mass of Levothyroxine EP Impurity J?
For Levothyroxine EP Impurity J, its formula is C15H13I2NO4 and its molar mass is 525.08 g/mol. The systematic (IUPAC) name is (2S)-2-amino-3-[4-(4-hydroxy-3-iodophenoxy)-3-iodophenyl]propanoic acid. InChIKey CPCJBZABTUOGNM-LBPRGKRZSA-N lets you match it in any structure database.
How is Levothyroxine EP Impurity J used in pharmaceutical QC?
Levothyroxine EP Impurity J 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 J?
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 Levothyroxine EP Impurity J?
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 J to my country?
Yes. Because Levothyroxine EP Impurity J is classed as hazardous, it travels in UN-approved packaging as dangerous goods under IATA or IMDG rules, with the export paperwork your broker needs.

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