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Pharmacopeial Impurities (EP / USP / BP)

Spironolactone EP Impurity C

Reference StandardAvailable on request

Spironolactone EP Impurity C (CAS 976-70-5) supplier Zemixal. Lab and bulk packs, batch COA, fast global delivery. Catalogue no. ZX-027017.

Pack sizes
Spironolactone EP Impurity C chemical structure
CAS number976-70-5
FormulaC22H30O3
Molar mass342.5 g/mol
Physical formSolid
HS code38229090
InChIKeyUWBICEKKOYXZRG-WNHSNXHDSA-N
IUPAC name(8R,9S,10R,13S,14S,17R)-10,13-dimethylspiro[2,6,7,8,9,11,12,14,15,16-decahydro-1H-cyclopenta[a]phenanthrene-17,5'-oxolane]-2',3-dione

About Spironolactone EP Impurity C

Spironolactone EP Impurity C is supplied by Zemixal as a characterised reference material for Spironolactone analysis. Identity at a glance (Reference Standard): CAS 976-70-5, formula C22H30O3 and molar mass 342.5 g/mol. It is handled as a solid.

Typical applications

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

Available as 10 mg, 25 mg, 50 mg and 100 mg. Larger or split packs can be arranged. Each lot travels with a certificate of analysis with characterisation data. Request pricing online and we confirm availability, documentation and freight to your country.

Reference standards for Spironolactone

See every impurity, metabolite and related compound we list for this API.

Spironolactone standards

Typical uses

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

Applications

Pharmaceutical Manufacturing and QCResearch Labs and Universities

Grade guides

Ph. Eur. Grade (European Pharmacopoeia)

Specifications and identifiers

Specifications of Spironolactone EP Impurity C
Product nameSpironolactone EP Impurity C
Catalogue numberZX-027017
CAS number976-70-5
IUPAC name(8R,9S,10R,13S,14S,17R)-10,13-dimethylspiro[2,6,7,8,9,11,12,14,15,16-decahydro-1H-cyclopenta[a]phenanthrene-17,5'-oxolane]-2',3-dione
Molecular formulaC22H30O3
Molar mass342.5 g/mol
Exact mass342.2195
GradeReference Standard
Physical formSolid
XLogP33
H-bond donors / acceptors0 / 3
Topological polar surface area43.4 Ų
HS code38229090
InChIKeyUWBICEKKOYXZRG-WNHSNXHDSA-N
SMILESC[C@]12CCC(=O)C=C1CC[C@@H]3[C@@H]2CC[C@]4([C@H]3CC[C@@]45CCC(=O)O5)C
PubChem CID101931
SynonymsSpironolactone - Impurity C, 6,7-Dihydrocanrenone, (2R)-3,4-Dihydro-5H-spiro(androst-4-ene-17,2-furan)-3,5-dione, Pregn-4-ene-21-carboxylic acid, 17-hydroxy-3-oxo-, gamma-lactone, (17alpha)-, 3-Oxopregn-4-ene-21,17alpha-carbolactone, 20-Spirox-4-ene-3,20-dione, spriolactone, Pregn-4-ene-21-carboxylic acid, 17-hydroxy-3-oxo-, .gamma.-lactone, (17.alpha.)-, 17-alpha-Pregn-4-ene-21-carboxylic acid, 17-hydroxy-3-oxo-, gamma-lactone, 3-(3-Oxo-17-beta-hydroxy-4-androsten-17-alpha-yl)propionic acid gamma-lactone, omega-(3-Oxo-17-beta-hydroxy-4-androsten-17-alpha-yl) propionic acid lactone, 17.alpha.-Pregn-4-ene-21-carboxylic acid, 17-hydroxy-3-oxo-, .gamma.-lactone

Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.

Safety and GHS hazards

No GHS classification is on file for this item. Handle it as an unknown laboratory chemical and request the SDS with your quotation.

Pack sizes

Pack sizes of Spironolactone EP Impurity C
10 mgQuoted on request
25 mgQuoted on request
50 mgQuoted on request
100 mgQuoted on request

Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.

Questions about Spironolactone EP Impurity C

Which CAS number identifies Spironolactone EP Impurity C?
Spironolactone EP Impurity C is registered under CAS 976-70-5. You may also see it listed as Spironolactone - Impurity C, 6,7-Dihydrocanrenone, (2R)-3,4-Dihydro-5H-spiro(androst-4-ene-17,2-furan)-3,5-dione. Our catalogue number for this item is ZX-027017.
What are the formula and molar mass of Spironolactone EP Impurity C?
For Spironolactone EP Impurity C, its formula is C22H30O3 and its molar mass is 342.5 g/mol. The systematic (IUPAC) name is (8R,9S,10R,13S,14S,17R)-10,13-dimethylspiro[2,6,7,8,9,11,12,14,15,16-decahydro-1H-cyclopenta[a]phenanthrene-17,5'-oxolane]-2',3-dione. InChIKey UWBICEKKOYXZRG-WNHSNXHDSA-N lets you match it in any structure database.
How is Spironolactone EP Impurity C used in pharmaceutical QC?
Spironolactone EP Impurity C is a characterised reference material linked to Spironolactone. Laboratories use it to identify and quantify this impurity during method development and validation, stability work, batch release testing and regulatory submissions.
What grade and pack sizes are available for Spironolactone EP Impurity C?
This listing is Reference Standard grade. Standard packs are 10 mg, 25 mg, 50 mg, 100 mg. Larger quantities and custom packing can be quoted on request.
Which documents come with Spironolactone EP Impurity C?
Each lot ships with a batch certificate of analysis and a 16-section GHS safety data sheet. A typical COA or specification sheet can be shared with the quotation before you order.
Can Zemixal ship Spironolactone EP Impurity C to my country?
Yes. Spironolactone EP Impurity C ships worldwide by express courier, air cargo or sea freight, quoted on the Incoterm you prefer, with full export documents.

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