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Pharmacopeial Impurities (EP / USP / BP)

Drospirenone EP Impurity A

Reference StandardAvailable on request

Drospirenone EP Impurity A (CAS 67372-68-3) supplier Zemixal. Lab and bulk packs, batch COA, fast global delivery. Catalogue no. ZX-021487.

Pack sizes
Drospirenone EP Impurity A chemical structure
CAS number67372-68-3
FormulaC23H30O3
Molar mass354.5 g/mol
Physical formSolid
HS code38229090
InChIKeyDYIJDDWIJGVQBE-PJPXKQQPSA-N
IUPAC name(1'R,2'R,3'S,5S,5'S,7'S,10'S,11'R)-7',11'-dimethylspiro[oxolane-5,6'-pentacyclo[8.8.0.02,7.03,5.011,16]octadec-15-ene]-2,14'-dione

About Drospirenone EP Impurity A

Drospirenone EP Impurity A is supplied by Zemixal as a characterised reference material for Drospirenone analysis. For your records (Reference Standard), the material is defined by CAS 67372-68-3, formula C23H30O3 and molar mass 354.5 g/mol. It is handled as a solid.

Common uses in the lab and plant

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

Storage and safety notes

Classified under GHS with signal word Warning and hazard statements H302, H312, H332 and H361. Read the SDS before first use.

Available as 10 mg, 25 mg, 50 mg and 100 mg. Larger or split packs can be arranged. You receive a certificate of analysis with characterisation data with each order. Send an enquiry through the quote panel and you get a formal offer with Incoterms and delivery time.

Reference standards for Drospirenone

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

Drospirenone 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 Drospirenone EP Impurity A
Product nameDrospirenone EP Impurity A
Catalogue numberZX-021487
CAS number67372-68-3
IUPAC name(1'R,2'R,3'S,5S,5'S,7'S,10'S,11'R)-7',11'-dimethylspiro[oxolane-5,6'-pentacyclo[8.8.0.02,7.03,5.011,16]octadec-15-ene]-2,14'-dione
Molecular formulaC23H30O3
Molar mass354.5 g/mol
Exact mass354.2195
GradeReference Standard
Physical formSolid
XLogP32.9
H-bond donors / acceptors0 / 3
Topological polar surface area43.4 Ų
HS code38229090
InChIKeyDYIJDDWIJGVQBE-PJPXKQQPSA-N
SMILESC[C@]12CCC(=O)C=C1CC[C@@H]3[C@@H]2CC[C@]4([C@H]3[C@@H]5C[C@@H]5[C@@]46CCC(=O)O6)C
PubChem CID13505844
Synonyms6,7-Demethylene Drospirenone, Drospirenone - Impurity A, 6,7-Desmethylene drospirenone, Drospirenone impurity A, 6,7-Desmethylenedrospirenone, 15beta,16beta-Methylene-3-oxo-17alpha-pregn-4-ene-21,17-carbolactone, 15beta,16beta-Methylene-3-oxo-17alpha-pregna-4-ene-21,17-carbolactone

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

Safety and GHS hazards

GHS07 Irritant or harmful
Irritant or harmful
GHS08 Health hazard
Health hazard

Signal word Warning

  • H302Harmful if swallowed
  • H312Harmful in contact with skin
  • H332Harmful if inhaled
  • H361Suspected of damaging fertility or the unborn child

Precautionary statements P203, P261, P264, P270, P271, P280, P301 + P317, P302 + P352, P304 + P340, P317, P318, P321, P330, P362 + P364, P405, P501

Classification summarised from public GHS notifications. It can vary with grade and concentration, so always follow the SDS supplied with your lot.

Pack sizes

Pack sizes of Drospirenone EP Impurity A
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 Drospirenone EP Impurity A

Which CAS number identifies Drospirenone EP Impurity A?
Drospirenone EP Impurity A is registered under CAS 67372-68-3. You may also see it listed as 6,7-Demethylene Drospirenone, Drospirenone - Impurity A, 6,7-Desmethylene drospirenone. Our catalogue number for this item is ZX-021487.
What are the formula and molar mass of Drospirenone EP Impurity A?
For Drospirenone EP Impurity A, its formula is C23H30O3 and its molar mass is 354.5 g/mol. The systematic (IUPAC) name is (1'R,2'R,3'S,5S,5'S,7'S,10'S,11'R)-7',11'-dimethylspiro[oxolane-5,6'-pentacyclo[8.8.0.02,7.03,5.011,16]octadec-15-ene]-2,14'-dione. InChIKey DYIJDDWIJGVQBE-PJPXKQQPSA-N lets you match it in any structure database.
How is Drospirenone EP Impurity A used in pharmaceutical QC?
Drospirenone EP Impurity A is a characterised reference material linked to Drospirenone. 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 Drospirenone EP Impurity A?
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 Drospirenone EP Impurity A?
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 Drospirenone EP Impurity A to my country?
Yes. Because Drospirenone EP Impurity A is classed as hazardous, it travels in UN-approved packaging as dangerous goods under IATA or IMDG rules, with the export paperwork your broker needs.

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