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Pharmacopeial Impurities (EP / USP / BP)

Ergotamine EP Impurity B

Reference StandardAvailable on request

Buy Ergotamine EP Impurity B (CAS 639-81-6) from Zemixal: C33H35N5O5, COA and SDS with every lot, worldwide shipping. Packs from 10 mg.

Pack sizes
Ergotamine EP Impurity B chemical structure
CAS number639-81-6
FormulaC33H35N5O5
Molar mass581.7 g/mol
Physical formSolid
HS code38229090
InChIKeyXCGSFFUVFURLIX-BRMNWJGKSA-N
IUPAC name(6aR,9S)-N-[(1S,2S,4R,7S)-7-benzyl-2-hydroxy-4-methyl-5,8-dioxo-3-oxa-6,9-diazatricyclo[7.3.0.02,6]dodecan-4-yl]-7-methyl-6,6a,8,9-tetrahydro-4H-indolo[4,3-fg]quinoline-9-carboxamide

About Ergotamine EP Impurity B

Ergotamine EP Impurity B belongs to the Ergotamine reference-standard family in the Zemixal catalogue. For your records (Reference Standard), the material is defined by CAS 639-81-6, formula C33H35N5O5 and molar mass 581.7 g/mol. It is handled as a solid.

Typical applications

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

Safe handling

Hazard communication follows GHS (Danger: H301, H311, H331 and H361). Our SDS lists exposure controls and first-aid measures.

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

Reference standards for Ergotamine

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

Ergotamine 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 Ergotamine EP Impurity B
Product nameErgotamine EP Impurity B
Catalogue numberZX-036547
CAS number639-81-6
IUPAC name(6aR,9S)-N-[(1S,2S,4R,7S)-7-benzyl-2-hydroxy-4-methyl-5,8-dioxo-3-oxa-6,9-diazatricyclo[7.3.0.02,6]dodecan-4-yl]-7-methyl-6,6a,8,9-tetrahydro-4H-indolo[4,3-fg]quinoline-9-carboxamide
Molecular formulaC33H35N5O5
Molar mass581.7 g/mol
Exact mass581.2638
GradeReference Standard
Physical formSolid
XLogP32
H-bond donors / acceptors3 / 6
Topological polar surface area118 Ų
HS code38229090
InChIKeyXCGSFFUVFURLIX-BRMNWJGKSA-N
SMILESC[C@@]1(C(=O)N2[C@H](C(=O)N3CCC[C@H]3[C@@]2(O1)O)CC4=CC=CC=C4)NC(=O)[C@@H]5CN([C@@H]6CC7=CNC8=CC=CC(=C78)C6=C5)C
PubChem CID115248
SynonymsErgotaminine, Isoergotamine, Ergotaman-3',6',18-trione, 12'-hydroxy-2'-methyl-5'-(phenylmethyl)-, (5'alpha,8alpha)-, Cornutamine, Ergotaman-3',6',18-trione, 12'-hydroxy-2'-methyl-5'-(phenylmethyl)-, (5'.alpha.,8.alpha.)-, 5'alpha-Benzyl-12'-hydroxy-2'-methyl-3',6',18-trioxo-5alpha-ergotaman

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

Safety and GHS hazards

GHS06 Acute toxicity
Acute toxicity
GHS08 Health hazard
Health hazard

Signal word Danger

  • H301Toxic if swallowed
  • H311Toxic in contact with skin
  • H331Toxic if inhaled
  • H361Suspected of damaging fertility or the unborn child

Precautionary statements P203, P261, P262, P264, P270, P271, P280, P301 + P316, P302 + P352, P304 + P340, P316, P318, P321, P330, P361 + P364, P403 + P233, 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 Ergotamine 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 Ergotamine EP Impurity B

Which CAS number identifies Ergotamine EP Impurity B?
Ergotamine EP Impurity B is registered under CAS 639-81-6. You may also see it listed as Ergotaminine, Isoergotamine, Ergotaman-3',6',18-trione, 12'-hydroxy-2'-methyl-5'-(phenylmethyl)-, (5'alpha,8alpha)-. Our catalogue number for this item is ZX-036547.
What are the formula and molar mass of Ergotamine EP Impurity B?
For Ergotamine EP Impurity B, its formula is C33H35N5O5 and its molar mass is 581.7 g/mol. InChIKey XCGSFFUVFURLIX-BRMNWJGKSA-N lets you match it in any structure database.
How is Ergotamine EP Impurity B used in pharmaceutical QC?
Ergotamine EP Impurity B is a characterised reference material linked to Ergotamine. 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 Ergotamine 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 Ergotamine 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 Ergotamine EP Impurity B to my country?
Yes. Because Ergotamine 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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