Acetazolamide EP Impurity E

Name: Acetazolamide EP Impurity E
Brand: Vaqora Chemicals
SKU: VQ-020723

About Acetazolamide EP Impurity E

Listed under CAS 827026-60-8, Acetazolamide EP Impurity E is a pharmacopeial impurity standard available from Vaqora Chemicals. The compound has the formula C4H5N3O4S2, corresponding to a molecular weight of 223.2 g/mol. Systematically, it is named 5-acetamido-1,3,4-thiadiazole-2-sulfonic acid. Common synonyms include Acetazolamide - Impurity E (Freebase) and 2-(Acetylamino)-5-sulfo-1,3,4-thiadiazole.

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. Good laboratory practice and suitable PPE are recommended during handling.

As a characterised impurity of the parent drug substance, it is used for analytical method development, method validation (AMV) and routine quality-control testing, and it supports ANDA and DMF regulatory filings. Typical end-use sectors are 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.

Typical applications

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

Industries

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Acetazolamide EP Impurity E
Catalogue No.	VQ-020723
CAS Number	827026-60-8
IUPAC name	5-acetamido-1,3,4-thiadiazole-2-sulfonic acid
Molecular formula	C₄H₅N₃O₄S₂
Molecular weight	223.2 g/mol
Exact mass	222.9721
Grade	Reference Standard
HSN code	38229090
InChIKey	YLYWNBBQDHCLJL-UHFFFAOYSA-N
SMILES	CC(=O)NC1=NN=C(S1)S(=O)(=O)O
PubChem CID	56924023

Physical properties
Physical form	Solid
LogP (XLogP3)	-0.1
H-bond donors / acceptors	2 / 7
TPSA	146 Å²
Synonyms	Acetazolamide - Impurity E (Freebase), 1,3,4-Thiadiazole-2-sulfonic acid, 5-(acetylamino)-, 2-(Acetylamino)-5-sulfo-1,3,4-thiadiazole, 5-(Acetylamino)-1,3,4-thiadiazole-2-sulfonic Acid, Acetazolamide Impurity E, 5-acetamido-1,3,4-thiadiazole-2-sulfonicacid

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 Acetazolamide EP Impurity E?

The CAS Registry Number of Acetazolamide EP Impurity E is 827026-60-8. It is also known as Acetazolamide - Impurity E (Freebase), 1,3,4-Thiadiazole-2-sulfonic acid, 5-(acetylamino)-, 2-(Acetylamino)-5-sulfo-1,3,4-thiadiazole.

What is the molecular formula and molecular weight of Acetazolamide EP Impurity E?

Acetazolamide EP Impurity E has the molecular formula C4H5N3O4S2 and a molecular weight of 223.2 g/mol. Its IUPAC name is 5-acetamido-1,3,4-thiadiazole-2-sulfonic acid.

Which grade and pack sizes of Acetazolamide EP Impurity E can I order?

We supply Acetazolamide EP Impurity E 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 Acetazolamide EP Impurity E?

Yes. Every lot of Acetazolamide EP Impurity E 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 Acetazolamide EP Impurity E be shipped internationally?

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