9-Methoxycamptothecin

Name: 9-Methoxycamptothecin
Brand: Vaqora Chemicals
SKU: VQ-024730

About 9-Methoxycamptothecin

Vaqora Chemicals supplies 9-Methoxycamptothecin, an impurity of Camptothecin registered under CAS number 39026-92-1. Its molecular formula is C21H18N2O5 and its molecular weight is 378.4 g/mol. It is also known as (S)-9-Methoxy Camptothecin or 9-Methoxycamptothecine.

It is supplied as a solid. Reference materials should be stored sealed and away from light and moisture, as specified on the accompanying COA. Good laboratory practice and suitable PPE are recommended during handling.

This Camptothecin impurity supports analytical method development and validation (AMV), batch release testing and the impurity sections of ANDA and DMF filings. It is used across pharmaceutical manufacturing and academic and industrial research.

We offer 9-Methoxycamptothecin in 10 mg, 25 mg, 50 mg and 100 mg packs with a batch-specific COA, and ship to customers worldwide. A Safety Data Sheet (SDS) and technical specifications are available on request.

Typical applications

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

Industries

Related to Camptothecin

View every impurity, metabolite and intermediate we list for Camptothecin.

Camptothecin impurities

Specifications & identifiers

Chemical identifiers
Product name	9-Methoxycamptothecin
Catalogue No.	VQ-024730
CAS Number	39026-92-1
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 formula	C₂₁H₁₈N₂O₅
Molecular weight	378.4 g/mol
Exact mass	378.1216
Grade	Reference Standard
HSN code	38229090
InChIKey	XVMZDZFTCKLZTF-NRFANRHFSA-N
SMILES	CC[C@@]1(C2=C(COC1=O)C(=O)N3CC4=CC5=C(C=CC=C5OC)N=C4C3=C2)O
PubChem CID	123617

Physical properties
Physical form	Solid
LogP (XLogP3)	1
H-bond donors / acceptors	1 / 6
TPSA	89 Å²

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Frequently asked questions

What is the CAS number of 9-Methoxycamptothecin?

The CAS Registry Number of 9-Methoxycamptothecin is 39026-92-1. It is also known as (S)-9-Methoxy Camptothecin, 9-Methoxycamptothecine, Camptothecin, 9-methoxy-.

What is the molecular formula and molecular weight of 9-Methoxycamptothecin?

9-Methoxycamptothecin has the molecular formula C21H18N2O5 and a molecular weight of 378.4 g/mol. Its 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.

What is 9-Methoxycamptothecin used for?

9-Methoxycamptothecin is supplied as a characterised reference material related to Camptothecin. It is used for analytical method development and validation (AMV), impurity profiling, stability studies and quality control, and in ANDA/DMF regulatory filings.

Which grade and pack sizes of 9-Methoxycamptothecin can I order?

We supply 9-Methoxycamptothecin in Reference Standard grade, in 10 mg, 25 mg, 50 mg, 100 mg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with 9-Methoxycamptothecin?

Yes. Every lot of 9-Methoxycamptothecin is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can 9-Methoxycamptothecin be shipped internationally?

Yes. We export 9-Methoxycamptothecin worldwide by air and sea freight or express courier, on EXW, FOB, CIF, CFR or DAP Incoterms, with full export documentation.