Levothyroxine EP Impurity H

Name: Levothyroxine EP Impurity H
Brand: Vaqora Chemicals
SKU: VQ-006476

About Levothyroxine EP Impurity H

Levothyroxine EP Impurity H (CAS 2055-97-2) is a pharmacopeial impurity of Levothyroxine offered by Vaqora Chemicals. Formula C13H6I4O4, molecular weight 733.8 g/mol. Systematically, it is named 4-(4-hydroxy-3,5-diiodophenoxy)-3,5-diiodobenzoic acid. It is also known as 3,3',5,5'-Tetraiodothyroformic acid or TFA 4.

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. Handle it with standard laboratory precautions and appropriate personal protective equipment.

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. Buyers come mainly from pharmaceutical manufacturing and academic and industrial research.

Available in 10 mg, 25 mg, 50 mg and 100 mg packs, Levothyroxine EP Impurity H is dispatched with a Certificate of Analysis (COA) to destinations worldwide. This item is currently in stock for prompt dispatch.

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 name	Levothyroxine EP Impurity H
Catalogue No.	VQ-006476
CAS Number	2055-97-2
IUPAC name	4-(4-hydroxy-3,5-diiodophenoxy)-3,5-diiodobenzoic acid
Molecular formula	C₁₃H₆I₄O₄
Molecular weight	733.8 g/mol
Exact mass	733.6445
Grade	Reference Standard
HSN code	38229090
InChIKey	HKJUOMPYMPXLFS-UHFFFAOYSA-N
SMILES	C1=C(C=C(C(=C1I)OC2=CC(=C(C(=C2)I)O)I)I)C(=O)O
PubChem CID	6451352

Physical properties
Physical form	Solid
LogP (XLogP3)	5.2
H-bond donors / acceptors	2 / 4
TPSA	66.8 Å²
Synonyms	3,3',5,5'-Tetraiodothyroformic acid, 3,5-Diiodo-4-(3',5'-diiodo-4'-hydroxyphenoxy)benzoic acid, TFA 4, Tetraform, T4-Benzoic Acid (USP), Benzoic acid, 4-(4-hydroxy-3,5-diiodophenoxy)-3,5-diiodo-, TFA-4, Tetraiodothyroformic Acid, 3,3',5,5'-Tetraiodo Thyroformic Acid, ~90%, 3,3',5,5'-Tetraiodo Thyroformic Acid (>90%), 3,3',5,5'-Tetraiodo Thyroformic Acid, >90per cent, 4-(4-hydroxy-3,5-diiodo-phenoxy)-3,5-diiodo-benzoic acid

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Frequently asked questions

What is the CAS number of Levothyroxine EP Impurity H?

The CAS Registry Number of Levothyroxine EP Impurity H is 2055-97-2. It is also known as 3,3',5,5'-Tetraiodothyroformic acid, 3,5-Diiodo-4-(3',5'-diiodo-4'-hydroxyphenoxy)benzoic acid, TFA 4.

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

Levothyroxine EP Impurity H has the molecular formula C13H6I4O4 and a molecular weight of 733.8 g/mol. Its IUPAC name is 4-(4-hydroxy-3,5-diiodophenoxy)-3,5-diiodobenzoic acid.

What is Levothyroxine EP Impurity H used for?

Levothyroxine EP Impurity H 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 H can I order?

We supply Levothyroxine EP Impurity H 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 H?

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

Yes. We export Levothyroxine EP Impurity H worldwide by air and sea freight or express courier, on EXW, FOB, CIF, CFR or DAP Incoterms, with full export documentation.