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API Impurities

9-Methoxycamptothecin

Reference StandardAvailable on request

Order 9-Methoxycamptothecin (CAS 39026-92-1) online at Zemixal. Request a quote with price, lead time and documents. Packs from 10 mg.

Pack sizes
9-Methoxycamptothecin chemical structure
CAS number39026-92-1
FormulaC21H18N2O5
Molar mass378.4 g/mol
Physical formSolid
HS code38229090
InChIKeyXVMZDZFTCKLZTF-NRFANRHFSA-N
IUPAC name(19S)-19-ethyl-19-hydroxy-8-methoxy-17-oxa-3,13-diazapentacyclo[11.8.0.02,11.04,9.015,20]henicosa-1(21),2,4(9),5,7,10,15(20)-heptaene-14,18-dione

About 9-Methoxycamptothecin

9-Methoxycamptothecin is supplied by Zemixal as a characterised reference material for Camptothecin analysis. Key data (Reference Standard): CAS 39026-92-1, formula C21H18N2O5 and molar mass 378.4 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

Order it in 10 mg, 25 mg, 50 mg and 100 mg packs or ask for a bulk quotation. Every shipment includes a certificate of analysis with characterisation data. Request pricing online and we confirm availability, documentation and freight to your country.

Reference standards for Camptothecin

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

Camptothecin standards

Typical uses

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

Applications

Specifications and identifiers

Specifications of 9-Methoxycamptothecin
Product name9-Methoxycamptothecin
Catalogue numberZX-023716
CAS number39026-92-1
IUPAC name(19S)-19-ethyl-19-hydroxy-8-methoxy-17-oxa-3,13-diazapentacyclo[11.8.0.02,11.04,9.015,20]henicosa-1(21),2,4(9),5,7,10,15(20)-heptaene-14,18-dione
Molecular formulaC21H18N2O5
Molar mass378.4 g/mol
Exact mass378.1216
GradeReference Standard
Physical formSolid
XLogP31
H-bond donors / acceptors1 / 6
Topological polar surface area89 Ų
HS code38229090
InChIKeyXVMZDZFTCKLZTF-NRFANRHFSA-N
SMILESCC[C@@]1(C2=C(COC1=O)C(=O)N3CC4=CC5=C(C=CC=C5OC)N=C4C3=C2)O
PubChem CID123617
Synonyms(S)-9-Methoxy Camptothecin, 9-Methoxycamptothecine, Camptothecin, 9-methoxy-, Methoxycamptothecin, 9-

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 9-Methoxycamptothecin
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 9-Methoxycamptothecin

Which CAS number identifies 9-Methoxycamptothecin?
9-Methoxycamptothecin is registered under CAS 39026-92-1. You may also see it listed as (S)-9-Methoxy Camptothecin, 9-Methoxycamptothecine, Camptothecin, 9-methoxy-. Our catalogue number for this item is ZX-023716.
What are the formula and molar mass of 9-Methoxycamptothecin?
For 9-Methoxycamptothecin, its formula is C21H18N2O5 and its molar mass is 378.4 g/mol. The systematic (IUPAC) name is (19S)-19-ethyl-19-hydroxy-8-methoxy-17-oxa-3,13-diazapentacyclo[11.8.0.02,11.04,9.015,20]henicosa-1(21),2,4(9),5,7,10,15(20)-heptaene-14,18-dione. InChIKey XVMZDZFTCKLZTF-NRFANRHFSA-N lets you match it in any structure database.
How is 9-Methoxycamptothecin used in pharmaceutical QC?
9-Methoxycamptothecin is a characterised reference material linked to Camptothecin. 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 9-Methoxycamptothecin?
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 9-Methoxycamptothecin?
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 9-Methoxycamptothecin to my country?
Yes. 9-Methoxycamptothecin ships worldwide by express courier, air cargo or sea freight, quoted on the Incoterm you prefer, with full export documents.

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