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Pharmacopeial Impurities (EP / USP / BP)

Liothyronine EP Impurity B (Freebase)

Reference StandardIn stock

Order Liothyronine EP Impurity B (Freebase) (CAS 300-39-0) online at Zemixal. Lab and bulk packs, batch COA, fast global delivery.

Pack sizes
Liothyronine EP Impurity B (Freebase) chemical structure
CAS number300-39-0
FormulaC9H9I2NO3
Molar mass432.98 g/mol
Physical formSolid
HS code38229090
InChIKeyNYPYHUZRZVSYKL-ZETCQYMHSA-N
IUPAC name(2S)-2-amino-3-(4-hydroxy-3,5-diiodophenyl)propanoic acid

About Liothyronine EP Impurity B (Freebase)

Zemixal lists Liothyronine EP Impurity B (Freebase) for laboratories that identify, quantify or control Liothyronine and its related substances. For your records (Reference Standard), the material is defined by CAS 300-39-0, formula C9H9I2NO3 and molar mass 432.98 g/mol. It is handled as a solid.

Use cases we see most often

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

Storage and safety notes

Classified under GHS with signal word Warning and hazard statements H315, H319 and H335. Read the SDS before first use.

Available as 10 mg, 25 mg, 50 mg, 100 mg and 250 mg. Larger or split packs can be arranged. Each lot travels with 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 Liothyronine

See every impurity, metabolite and related compound we list for this API.

Liothyronine 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 Liothyronine EP Impurity B (Freebase)
Product nameLiothyronine EP Impurity B (Freebase)
Catalogue numberZX-005804
CAS number300-39-0
IUPAC name(2S)-2-amino-3-(4-hydroxy-3,5-diiodophenyl)propanoic acid
Molecular formulaC9H9I2NO3
Molar mass432.98 g/mol
Exact mass432.8672
GradeReference Standard
Physical formSolid
XLogP3-0.5
H-bond donors / acceptors3 / 4
Topological polar surface area83.6 Ų
HS code38229090
InChIKeyNYPYHUZRZVSYKL-ZETCQYMHSA-N
SMILESC1=C(C=C(C(=C1I)O)I)C[C@@H](C(=O)O)N
PubChem CID9305
Synonyms(S)-2-Amino-3-(4-hydroxy-3,5-diiodophenyl)propanoic Acid, 3',5'-Diiodo-L-tyrosine, Bijodtyrosin, L-3,5-Diiodotyrosine, 3,5-Diiodo-L-tyrosine, L-Diiodotyrosine, L-Tyrosine, 3,5-diiodo-, Tyrosine, 3,5-diiodo-, L-, (2S)-2-azaniumyl-3-(4-hydroxy-3,5-diiodophenyl)propanoate, Diiodotyrosine, H-Tyr(3,5-I2)-OH, 3,5-L-Diiodotyrosine

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

  • H315Causes skin irritation
  • H319Causes serious eye irritation
  • H335May cause respiratory irritation

Precautionary statements P261, P264, P264 + P265, P271, P280, P302 + P352, P304 + P340, P305 + P351 + P338, P319, P321, P332 + P317, P337 + P317, P362 + P364, P403 + P233, P405, 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 Liothyronine EP Impurity B (Freebase)
10 mgQuoted on request
25 mgQuoted on request
50 mgQuoted on request
100 mgQuoted on request
250 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 Liothyronine EP Impurity B (Freebase)

Which CAS number identifies Liothyronine EP Impurity B (Freebase)?
Liothyronine EP Impurity B (Freebase) is registered under CAS 300-39-0. You may also see it listed as (S)-2-Amino-3-(4-hydroxy-3,5-diiodophenyl)propanoic Acid, 3',5'-Diiodo-L-tyrosine, Bijodtyrosin. Our catalogue number for this item is ZX-005804.
What are the formula and molar mass of Liothyronine EP Impurity B (Freebase)?
For Liothyronine EP Impurity B (Freebase), its formula is C9H9I2NO3 and its molar mass is 432.98 g/mol. The systematic (IUPAC) name is (2S)-2-amino-3-(4-hydroxy-3,5-diiodophenyl)propanoic acid. InChIKey NYPYHUZRZVSYKL-ZETCQYMHSA-N lets you match it in any structure database.
How is Liothyronine EP Impurity B (Freebase) used in pharmaceutical QC?
Liothyronine EP Impurity B (Freebase) is a characterised reference material linked to Liothyronine. 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 Liothyronine EP Impurity B (Freebase)?
This listing is Reference Standard grade. Standard packs are 10 mg, 25 mg, 50 mg, 100 mg, 250 mg. Larger quantities and custom packing can be quoted on request.
Which documents come with Liothyronine EP Impurity B (Freebase)?
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 Liothyronine EP Impurity B (Freebase) to my country?
Yes. Because Liothyronine EP Impurity B (Freebase) 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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