Levothyroxine EP Impurity H (Stage -5)

Name: Levothyroxine EP Impurity H (Stage -5)
Brand: Vaqora Chemicals
SKU: VQ-006481

About Levothyroxine EP Impurity H (Stage -5)

Levothyroxine EP Impurity H (Stage -5) (CAS 33927-09-2) is a pharmacopeial impurity of Levothyroxine offered by Vaqora Chemicals. The compound has the formula C15H12I2O4, corresponding to a molecular weight of 510.06 g/mol. Its systematic (IUPAC) name is methyl 3,5-diiodo-4-(4-methoxyphenoxy)benzoate. It is also known as BTO 956 or DIME.

It is supplied as a solid. Reference materials should be stored sealed and away from light and moisture, as specified on the accompanying COA. Good laboratory practice and suitable PPE are recommended during handling.

Pharmaceutical QC and development laboratories use this impurity standard of Levothyroxine to develop and validate HPLC methods, to set specification limits and to document impurity profiles in ANDA and DMF submissions. Our customers for this product work in pharmaceutical manufacturing and academic and industrial research.

Standard pack sizes are 10 mg, 25 mg, 50 mg and 100 mg, and every batch ships with a Certificate of Analysis (COA) and we export worldwide. Stock is available for quick 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 (Stage -5)
Catalogue No.	VQ-006481
CAS Number	33927-09-2
IUPAC name	methyl 3,5-diiodo-4-(4-methoxyphenoxy)benzoate
Molecular formula	C₁₅H₁₂I₂O₄
Molecular weight	510.06 g/mol
Exact mass	509.8825
Grade	Reference Standard
HSN code	38229090
InChIKey	BDXPYXUQAYIUFG-UHFFFAOYSA-N
SMILES	COC1=CC=C(C=C1)OC2=C(C=C(C=C2I)C(=O)OC)I
PubChem CID	9936119

Physical properties
Physical form	Solid
LogP (XLogP3)	4.6
H-bond donors / acceptors	0 / 4
TPSA	44.8 Å²
Synonyms	3,5-Diiodo-4(4'-methoxyphenoxy)benzoic acid methyl ester, BTO 956, DIME, Methyl 3,5-diiodo-4-(4'-methoxyphenoxy)benzoate, Oncocidin A 1, Levothyroxine EP Impurity H ( Stage -5), methyl-3,5-diiodo-4-(4'-methoxyphenoxy)benzoate, BTO-956

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 (Stage -5)?

The CAS Registry Number of Levothyroxine EP Impurity H (Stage -5) is 33927-09-2. It is also known as 3,5-Diiodo-4(4'-methoxyphenoxy)benzoic acid methyl ester, BTO 956, DIME.

What is the molecular formula and molecular weight of Levothyroxine EP Impurity H (Stage -5)?

Levothyroxine EP Impurity H (Stage -5) has the molecular formula C15H12I2O4 and a molecular weight of 510.06 g/mol. Its IUPAC name is methyl 3,5-diiodo-4-(4-methoxyphenoxy)benzoate.

What is Levothyroxine EP Impurity H (Stage -5) used for?

Levothyroxine EP Impurity H (Stage -5) 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 (Stage -5) can I order?

We supply Levothyroxine EP Impurity H (Stage -5) 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 (Stage -5)?

Yes. Every lot of Levothyroxine EP Impurity H (Stage -5) 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 (Stage -5) be shipped internationally?

Yes. We export Levothyroxine EP Impurity H (Stage -5) worldwide by air and sea freight or express courier, on EXW, FOB, CIF, CFR or DAP Incoterms, with full export documentation.