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API Impurities

Leuprolide impurity 4

Reference StandardAvailable on request

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Leuprolide impurity 4 chemical structure
CAS number267878-61-5
FormulaC56H79N15O10
Molar mass1122.3 g/mol
Physical formSolid
HS code38229090
InChIKeyMMKAEZTWGFDHGK-OFHYFIBLSA-N

About Leuprolide impurity 4

Leuprolide impurity 4 belongs to the Leuprolide reference-standard family in the Zemixal catalogue. For your records (Reference Standard), the material is defined by CAS 267878-61-5, formula C56H79N15O10 and molar mass 1122.3 g/mol. It is handled as a solid.

Common uses in the lab and plant

  • Analytical method development
  • Method validation (AMV)
  • QC release testing
  • ANDA / DMF filings

Safe handling

Classified under GHS with signal word Warning 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. Each lot travels with 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 Leuprolide

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

Leuprolide standards

Typical uses

  • Analytical method development
  • Method validation (AMV)
  • QC release testing
  • ANDA / DMF filings

Applications

Specifications and identifiers

Specifications of Leuprolide impurity 4
Product nameLeuprolide impurity 4
Catalogue numberZX-039345
CAS number267878-61-5
IUPAC name(2S)-N-[(2S)-1-[[(2S)-1-[[(2S)-1-[[(2R)-1-[[(2S)-1-[[(2S)-5-(diaminomethylideneamino)-1-[(2S)-2-(ethylcarbamoyl)pyrrolidin-1-yl]-1-oxopentan-2-yl]amino]-4-methyl-1-oxopentan-2-yl]amino]-4-methyl-1-oxopentan-2-yl]amino]-3-(4-hydroxyphenyl)-1-oxopropan-2-yl]amino]-3-(1H-indol-3-yl)-1-oxopropan-2-yl]amino]-3-(1H-imidazol-5-yl)-1-oxopropan-2-yl]-5-oxopyrrolidine-2-carboxamide
Molecular formulaC56H79N15O10
Molar mass1122.3 g/mol
Exact mass1121.6134
GradeReference Standard
Physical formSolid
XLogP32
H-bond donors / acceptors13 / 12
Topological polar surface area382 Ų
HS code38229090
InChIKeyMMKAEZTWGFDHGK-OFHYFIBLSA-N
SMILESCCNC(=O)[C@@H]1CCCN1C(=O)[C@H](CCCN=C(N)N)NC(=O)[C@H](CC(C)C)NC(=O)[C@@H](CC(C)C)NC(=O)[C@H](CC2=CC=C(C=C2)O)NC(=O)[C@H](CC3=CNC4=CC=CC=C43)NC(=O)[C@H](CC5=CN=CN5)NC(=O)[C@@H]6CCC(=O)N6
PubChem CID101013241
SynonymsDes-Ser4-Leuprolide, (Des-Gly10,Des-Ser4,D-Leu6,Pro-NHEt9)-LHRH, pE-HWY(dL)LRP-NHEt, Pyr-His-Trp-Tyr-D-Leu-Leu-Arg-Pro-NHEt, (Des-Gly10,Des-Ser4,D-Leu6,Pro-NHEt9)-LHRH trifluoroacetate salt, (Des-Gly10,Des-Ser4,D-Leu6,Pro-NHEt 9)-LHRH trifluoroacetate salt

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 Warning

  • 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 Leuprolide impurity 4
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 Leuprolide impurity 4

Which CAS number identifies Leuprolide impurity 4?
Leuprolide impurity 4 is registered under CAS 267878-61-5. You may also see it listed as Des-Ser4-Leuprolide, (Des-Gly10,Des-Ser4,D-Leu6,Pro-NHEt9)-LHRH, pE-HWY(dL)LRP-NHEt. Our catalogue number for this item is ZX-039345.
What are the formula and molar mass of Leuprolide impurity 4?
For Leuprolide impurity 4, its formula is C56H79N15O10 and its molar mass is 1122.3 g/mol. InChIKey MMKAEZTWGFDHGK-OFHYFIBLSA-N lets you match it in any structure database.
How is Leuprolide impurity 4 used in pharmaceutical QC?
Leuprolide impurity 4 is a characterised reference material linked to Leuprolide. 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 Leuprolide impurity 4?
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 Leuprolide impurity 4?
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 Leuprolide impurity 4 to my country?
Yes. Because Leuprolide impurity 4 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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