Levothyroxine Impurity D (Stage-5)

Name: Levothyroxine Impurity D (Stage-5)
Brand: Zemixal
SKU: ZX-004889

Reference StandardIn stock

Buy Levothyroxine Impurity D (Stage-5) (CAS 54291-88-2) from Zemixal. Lab and bulk packs, batch COA, fast global delivery.

Pack sizes

Levothyroxine Impurity D (Stage-5) chemical structure

CAS number54291-88-2

FormulaC₁₆H₁₄I₂O₄

Molar mass524.09 g/mol

Physical formSolid

HS code38229090

InChIKeyRGDSRZRUEBFBSE-UHFFFAOYSA-N

IUPAC namemethyl 2-[3,5-diiodo-4-(4-methoxyphenoxy)phenyl]acetate

About Levothyroxine Impurity D (Stage-5)

Levothyroxine Impurity D (Stage-5) is supplied by Zemixal as a characterised reference material for Levothyroxine analysis. Key data (Reference Standard): CAS 54291-88-2, formula C16H14I2O4 and molar mass 524.09 g/mol. It is handled as a solid.

Use cases we see most often

Analytical method development
Method validation (AMV)
QC release testing
ANDA / DMF filings

Standard pack sizes are 10 mg, 25 mg, 50 mg and 100 mg, and custom quantities are quoted on request. You receive a certificate of analysis with characterisation data with each order. 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

Analytical method development
Method validation (AMV)
QC release testing
ANDA / DMF filings

Applications

Pharmaceutical Manufacturing and QC Research Labs and Universities

Specifications and identifiers

Specifications of Levothyroxine Impurity D (Stage-5)
Product name	Levothyroxine Impurity D (Stage-5)
Catalogue number	ZX-004889
CAS number	54291-88-2
IUPAC name	methyl 2-[3,5-diiodo-4-(4-methoxyphenoxy)phenyl]acetate
Molecular formula	C₁₆H₁₄I₂O₄
Molar mass	524.09 g/mol
Exact mass	523.8981
Grade	Reference Standard
Physical form	Solid
XLogP3	4.5
H-bond donors / acceptors	0 / 4
Topological polar surface area	44.8 Å²
HS code	38229090
InChIKey	RGDSRZRUEBFBSE-UHFFFAOYSA-N
SMILES	COC1=CC=C(C=C1)OC2=C(C=C(C=C2I)CC(=O)OC)I
PubChem CID	487826
Synonyms	Methyl 2-(3,5-diiodo-4-(4-methoxyphenoxy)phenyl)acetate, Methyl 3,5-diiodo-4-(4-methoxyphenoxy)benzeneacetate, Levothyroxine Impurity D (Stage-5 ), Benzeneacetic acid, 3,5-diiodo-4-(4-methoxyphenoxy)-, methyl ester, methyl 4-(4-methoxyphenoxy)-3,5-diiodophenylacetate, Methyl [3,5-diiodo-4-(4-methoxyphenoxy)phenyl]acetate

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 Levothyroxine Impurity D (Stage-5)
10 mg	Quoted on request
25 mg	Quoted on request
50 mg	Quoted on request
100 mg	Quoted 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 Impurity D (Stage-5)

Which CAS number identifies Levothyroxine Impurity D (Stage-5)?

Levothyroxine Impurity D (Stage-5) is registered under CAS 54291-88-2. You may also see it listed as Methyl 2-(3,5-diiodo-4-(4-methoxyphenoxy)phenyl)acetate, Methyl 3,5-diiodo-4-(4-methoxyphenoxy)benzeneacetate, Levothyroxine Impurity D (Stage-5 ). Our catalogue number for this item is ZX-004889.

What are the formula and molar mass of Levothyroxine Impurity D (Stage-5)?

For Levothyroxine Impurity D (Stage-5), its formula is C16H14I2O4 and its molar mass is 524.09 g/mol. The systematic (IUPAC) name is methyl 2-[3,5-diiodo-4-(4-methoxyphenoxy)phenyl]acetate. InChIKey RGDSRZRUEBFBSE-UHFFFAOYSA-N lets you match it in any structure database.

How is Levothyroxine Impurity D (Stage-5) used in pharmaceutical QC?

Levothyroxine Impurity D (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 Levothyroxine Impurity D (Stage-5)?

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 Impurity D (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 Levothyroxine Impurity D (Stage-5) to my country?

Yes. Levothyroxine Impurity D (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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