Spironolactone EP Impurity E

Name: Spironolactone EP Impurity E
Brand: Vaqora Chemicals
SKU: VQ-028114

About Spironolactone EP Impurity E

Spironolactone EP Impurity E (CAS 33784-05-3) is a pharmacopeial impurity of Spironolactone offered by Vaqora Chemicals. Formula C24H32O4S, molecular weight 416.6 g/mol. It is also known as Spironolactone - Impurity E or 7b-Spironolactone.

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.

This Spironolactone impurity supports analytical method development and validation (AMV), batch release testing and the impurity sections of ANDA and DMF filings. Buyers come mainly from 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

Related to Spironolactone

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

Spironolactone impurities

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Spironolactone EP Impurity E
Catalogue No.	VQ-028114
CAS Number	33784-05-3
IUPAC name	S-[(7S,8R,9S,10R,13S,14S,17R)-10,13-dimethyl-3,5'-dioxospiro[2,6,7,8,9,11,12,14,15,16-decahydro-1H-cyclopenta[a]phenanthrene-17,2'-oxolane]-7-yl] ethanethioate
Molecular formula	C₂₄H₃₂O₄S
Molecular weight	416.6 g/mol
Exact mass	416.2021
Grade	Reference Standard
HSN code	38229090
InChIKey	LXMSZDCAJNLERA-KVXIHFSQSA-N
SMILES	CC(=O)S[C@H]1CC2=CC(=O)CC[C@@]2([C@@H]3[C@@H]1[C@@H]4CC[C@]5([C@]4(CC3)C)CCC(=O)O5)C
PubChem CID	11509929

Physical properties
Physical form	Solid
LogP (XLogP3)	2.9
H-bond donors / acceptors	0 / 5
TPSA	85.7 Å²
Synonyms	Spironolactone - Impurity E, 7b-Spironolactone, 7-Beta-Spironolactone, 7beta-Spironolactone, 7, A-Spironolactone, 3'-(3-Oxo-7beta-acetylthio-17beta-hydroxyandrost-4-en-17alpha-yl)-propionic acid lactone, 7beta-(Acetylthio)-17alpha-hydroxy-3-oxopregn-4-ene-21-carboxylic acid gamma-lactone, 3'-(3-Oxo-7, A-acetylthio-17, A-hydroxyandrost-4-en-17, A-yl)-propionic Acid Lactone

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 Spironolactone EP Impurity E?

The CAS Registry Number of Spironolactone EP Impurity E is 33784-05-3. It is also known as Spironolactone - Impurity E, 7b-Spironolactone, 7-Beta-Spironolactone.

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

Spironolactone EP Impurity E has the molecular formula C24H32O4S and a molecular weight of 416.6 g/mol. Its IUPAC name is S-[(7S,8R,9S,10R,13S,14S,17R)-10,13-dimethyl-3,5'-dioxospiro[2,6,7,8,9,11,12,14,15,16-decahydro-1H-cyclopenta[a]phenanthrene-17,2'-oxolane]-7-yl] ethanethioate.

What is Spironolactone EP Impurity E used for?

Spironolactone EP Impurity E is supplied as a characterised reference material related to Spironolactone. 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 Spironolactone EP Impurity E can I order?

We supply Spironolactone 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 Spironolactone EP Impurity E?

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

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