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Pharmacopeial Impurities (EP / USP / BP)

Budesonide EP Impurity B

Reference StandardAvailable on request

Order Budesonide EP Impurity B (CAS 1040085-98-0) online at Zemixal: C23H30O6, COA and SDS with every lot, worldwide shipping.

Pack sizes
Budesonide EP Impurity B chemical structure
CAS number1040085-98-0
FormulaC23H30O6
Molar mass402.5 g/mol
Physical formSolid
HS code38229090
InChIKeyXECSEFPWNHDQPG-XWCIIUPVSA-N
IUPAC name(1S,2S,4R,8S,9S,11S,12S,13R)-11-hydroxy-8-(2-hydroxyacetyl)-6,9,13-trimethyl-5,7-dioxapentacyclo[10.8.0.02,9.04,8.013,18]icosa-14,17-dien-16-one

About Budesonide EP Impurity B

Budesonide EP Impurity B is supplied by Zemixal as a characterised reference material for Budesonide analysis. Key data (Reference Standard): CAS 1040085-98-0, formula C23H30O6 and molar mass 402.5 g/mol. It is handled as a solid.

Use cases we see most often

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

Safe handling

Classified under GHS with signal word Danger and hazard statements H361. Read the SDS before first use.

Standard pack sizes are 10 mg, 25 mg, 50 mg and 100 mg, and custom quantities are quoted on request. You receive a certificate of analysis with characterisation data with each order. Add it to your quote list and our team replies with price, lead time and shipping options within one business day.

Reference standards for Budesonide

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

Budesonide 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 Budesonide EP Impurity B
Product nameBudesonide EP Impurity B
Catalogue numberZX-020054
CAS number1040085-98-0
IUPAC name(1S,2S,4R,8S,9S,11S,12S,13R)-11-hydroxy-8-(2-hydroxyacetyl)-6,9,13-trimethyl-5,7-dioxapentacyclo[10.8.0.02,9.04,8.013,18]icosa-14,17-dien-16-one
Molecular formulaC23H30O6
Molar mass402.5 g/mol
Exact mass402.2042
GradeReference Standard
Physical formSolid
XLogP31.7
H-bond donors / acceptors2 / 6
Topological polar surface area93.1 Ų
HS code38229090
InChIKeyXECSEFPWNHDQPG-XWCIIUPVSA-N
SMILESCC1O[C@@H]2C[C@H]3[C@@H]4CCC5=CC(=O)C=C[C@@]5([C@H]4[C@H](C[C@@]3([C@@]2(O1)C(=O)CO)C)O)C
PubChem CID13298167
Synonymsbudesonide acetylaldehyde acetal, Budesonide - Impurity B, Di-Norbudesonide(Mixture of Diastereomers), (11beta,16alpha)-16,17-[Ethylidenebis(oxy)]-11,21-dihydroxypregna-1,4-diene-3,20-dione, 16alpha,17-(Ethylidenebis(oxy))-11beta,21-dihydroxypregna-1,4-diene-3,20-dione, 16alpha,17-[(1RS)-Ethylidenebis(oxy)]-11beta,21-dihydroxypregna-1,4-diene-3,20-dione, 16,17-[Ethylidenebis(oxy)]-11,21-dihydroxypregna-1,4-diene-3,20-dione, (11beta,16alpha)-

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

Safety and GHS hazards

GHS08 Health hazard
Health hazard

Signal word Danger

  • H361Suspected of damaging fertility or the unborn child

Precautionary statements P203, P280, P318, 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 Budesonide EP Impurity B
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 Budesonide EP Impurity B

Which CAS number identifies Budesonide EP Impurity B?
Budesonide EP Impurity B is registered under CAS 1040085-98-0. You may also see it listed as budesonide acetylaldehyde acetal, Budesonide - Impurity B, Di-Norbudesonide(Mixture of Diastereomers). Our catalogue number for this item is ZX-020054.
What are the formula and molar mass of Budesonide EP Impurity B?
For Budesonide EP Impurity B, its formula is C23H30O6 and its molar mass is 402.5 g/mol. The systematic (IUPAC) name is (1S,2S,4R,8S,9S,11S,12S,13R)-11-hydroxy-8-(2-hydroxyacetyl)-6,9,13-trimethyl-5,7-dioxapentacyclo[10.8.0.02,9.04,8.013,18]icosa-14,17-dien-16-one. InChIKey XECSEFPWNHDQPG-XWCIIUPVSA-N lets you match it in any structure database.
How is Budesonide EP Impurity B used in pharmaceutical QC?
Budesonide EP Impurity B is a characterised reference material linked to Budesonide. 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 Budesonide EP Impurity B?
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 Budesonide EP Impurity B?
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 Budesonide EP Impurity B to my country?
Yes. Because Budesonide EP Impurity B 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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