Levothyroxine Impurity D (Stage-2)

About Levothyroxine Impurity D (Stage-2)

Levothyroxine Impurity D (Stage-2) is an impurity of Levothyroxine carrying the CAS registry number 98879-76-6. The compound has the formula C9H8N2O7, corresponding to a molecular weight of 256.17 g/mol. Common synonyms include Methyl 2-(4-hydroxy-3,5-dinitrophenyl)acetate and Methyl 4-hydroxy-3,5-dinitrobenzeneacetate.

The product is provided as a solid. Keep the vial tightly closed, protected from light and humidity, at the temperature stated on the Certificate of Analysis. 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. It is used across pharmaceutical manufacturing and academic and industrial research.

We offer Levothyroxine Impurity D (Stage-2) in 10 mg, 25 mg, 50 mg and 100 mg packs with a batch-specific COA, and ship to customers worldwide. This item is currently in stock for prompt dispatch.

Typical applications

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

Industries

Related to Levothyroxine

View every impurity, metabolite and intermediate we list for Levothyroxine.

Levothyroxine impurities

Specifications & identifiers

Chemical identifiers
Product name	Levothyroxine Impurity D (Stage-2)
Catalogue No.	VQ-005188
CAS Number	98879-76-6
Molecular formula	C₉H₈N₂O₇
Molecular weight	256.17 g/mol
Grade	Reference Standard
HSN code	38229090

Physical properties
Physical form	Solid

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 Impurity D (Stage-2)?

The CAS Registry Number of Levothyroxine Impurity D (Stage-2) is 98879-76-6. It is also known as Methyl 2-(4-hydroxy-3,5-dinitrophenyl)acetate, Methyl 4-hydroxy-3,5-dinitrobenzeneacetate, Levothyroxine Impurity D (Stage-2 ).

What is the molecular formula and molecular weight of Levothyroxine Impurity D (Stage-2)?

Levothyroxine Impurity D (Stage-2) has the molecular formula C9H8N2O7 and a molecular weight of 256.17 g/mol.

What is Levothyroxine Impurity D (Stage-2) used for?

Levothyroxine Impurity D (Stage-2) 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 Impurity D (Stage-2) can I order?

We supply Levothyroxine Impurity D (Stage-2) in Reference Standard grade, in 10 mg, 25 mg, 50 mg, 100 mg, 250 mg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Levothyroxine Impurity D (Stage-2)?

Yes. Every lot of Levothyroxine Impurity D (Stage-2) 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 Impurity D (Stage-2) be shipped internationally?

Yes. We export Levothyroxine Impurity D (Stage-2) worldwide by air and sea freight or express courier, on EXW, FOB, CIF, CFR or DAP Incoterms, with full export documentation.