(4S)-4-Ethyl-7,8-dihydro-4-hydroxy-1H-pyrano[3,4-f]indolizine-3,6,10(4H)-trione
Synonyms: Exatecan Intermediate 1 · 1H-Pyrano[3,4-f]indolizine-3,6,10(4H)-trione, 4-ethyl-7,8-dihydro-4-hydroxy-, (4S)- · R-tetrahydropapaverine bitartrate · CS-B1681
(4S)-4-Ethyl-7,8-dihydro-4-hydroxy-1H-pyrano[3,4-f]indolizine-3,6,10(4H)-trione (CAS 110351-94-5) – Camptothecin impurity standard. C13H13NO5, MW 263.25.
About (4S)-4-Ethyl-7,8-dihydro-4-hydroxy-1H-pyrano[3,4-f]indolizine-3,6,10(4H)-trione
(4S)-4-Ethyl-7,8-dihydro-4-hydroxy-1H-pyrano[3,4-f]indolizine-3,6,10(4H)-trione is a metabolite or degradation product of Camptothecin carrying the CAS registry number 110351-94-5. The compound has the formula C13H13NO5, corresponding to a molecular weight of 263.25 g/mol. The IUPAC name is (4S)-4-ethyl-4-hydroxy-7,8-dihydro-1H-pyrano[3,4-f]indolizine-3,6,10-trione. Common synonyms include Exatecan Intermediate 1 and R-tetrahydropapaverine bitartrate.
The product is provided as a solid. Store the standard in its sealed vial, protected from light and moisture, and follow the storage condition printed on the COA. Under GHS it is labelled “Warning”, so handle it with suitable PPE and consult the SDS.
Analytical teams use this compound to identify metabolites and degradants of Camptothecin, to validate stability-indicating methods (AMV) and to support QC and regulatory filings. Typical end-use sectors are pharmaceutical manufacturing and academic and industrial research.
We offer (4S)-4-Ethyl-7,8-dihydro-4-hydroxy-1H-pyrano[3,4-f]indolizine-3,6,10(4H)-trione in 10 mg, 25 mg, 50 mg and 100 mg packs with a batch-specific COA, and ship to customers worldwide.
Typical applications
- Metabolite identification
- Stability-indicating methods
- Impurity profiling
- Fine chemical synthesis
Industries
View every impurity, metabolite and intermediate we list for Camptothecin.
Camptothecin impuritiesSpecifications & identifiers
| Product name | (4S)-4-Ethyl-7,8-dihydro-4-hydroxy-1H-pyrano[3,4-f]indolizine-3,6,10(4H)-trione |
|---|---|
| Catalogue No. | VQ-021963 |
| CAS Number | 110351-94-5 |
| IUPAC name | (4S)-4-ethyl-4-hydroxy-7,8-dihydro-1H-pyrano[3,4-f]indolizine-3,6,10-trione |
| Molecular formula | C13H13NO5 |
| Molecular weight | 263.25 g/mol |
| Exact mass | 263.0794 |
| Grade | Reference Standard |
| HSN code | 38229090 |
| InChIKey | IGKWOGMVAOYVSJ-ZDUSSCGKSA-N |
| SMILES | CC[C@@]1(C2=C(COC1=O)C(=O)N3CCC(=O)C3=C2)O |
| PubChem CID | 10220900 |
| Physical form | Solid |
|---|---|
| LogP (XLogP3) | -0.8 |
| H-bond donors / acceptors | 1 / 5 |
| TPSA | 83.9 Ų |
| Synonyms | Exatecan Intermediate 1, 1H-Pyrano[3,4-f]indolizine-3,6,10(4H)-trione, 4-ethyl-7,8-dihydro-4-hydroxy-, (4S)-, R-tetrahydropapaverine bitartrate, CS-B1681, EX-A4321, (4S)-4-Ethyl-4-hydroxy-7,8-dihydro-1H-pyrano[3,4-f]indolizine-3,6,10(4H)-trione, (S)-4-Ethyl-7,8-dihydro-4-hydroxy-1H-pyrano[3,4-f]indolizine-3,6,10(4H)-trione, (4S)-4-Ethyl-4-hydroxy-7,8-dihydro-1H-pyrano[3,4-f]indolizine-3,6,10(4H)trione, (S)-4-ethyl-4-hydroxy-7,8-dihydro-1H-pyrano-[3,4-f]indolizine-3,6,10(4H)-trione, (S)-4-Ethyl-7,8-dihydro-4-hydroxy-1H-pyrano-[3,4-f]indolizine-3,6,10(4H)-trione |
Safety & hazard information (GHS)
Signal word: Warning
Hazard statements
H302Harmful if swallowedH319Causes serious eye irritation
Precautionary statements: P264, P264 + P265, P270, P280, P301 + P317, P305 + P351 + P338, P330, P337 + P317, P501
Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.
Documents
Frequently asked questions
What is the CAS number of (4S)-4-Ethyl-7,8-dihydro-4-hydroxy-1H-pyrano[3,4-f]indolizine-3,6,10(4H)-trione?
The CAS Registry Number of (4S)-4-Ethyl-7,8-dihydro-4-hydroxy-1H-pyrano[3,4-f]indolizine-3,6,10(4H)-trione is 110351-94-5. It is also known as Exatecan Intermediate 1, 1H-Pyrano[3,4-f]indolizine-3,6,10(4H)-trione, 4-ethyl-7,8-dihydro-4-hydroxy-, (4S)-, R-tetrahydropapaverine bitartrate.
What is the molecular formula and molecular weight of (4S)-4-Ethyl-7,8-dihydro-4-hydroxy-1H-pyrano[3,4-f]indolizine-3,6,10(4H)-trione?
(4S)-4-Ethyl-7,8-dihydro-4-hydroxy-1H-pyrano[3,4-f]indolizine-3,6,10(4H)-trione has the molecular formula C13H13NO5 and a molecular weight of 263.25 g/mol. Its IUPAC name is (4S)-4-ethyl-4-hydroxy-7,8-dihydro-1H-pyrano[3,4-f]indolizine-3,6,10-trione.
What is (4S)-4-Ethyl-7,8-dihydro-4-hydroxy-1H-pyrano[3,4-f]indolizine-3,6,10(4H)-trione used for?
(4S)-4-Ethyl-7,8-dihydro-4-hydroxy-1H-pyrano[3,4-f]indolizine-3,6,10(4H)-trione 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 (4S)-4-Ethyl-7,8-dihydro-4-hydroxy-1H-pyrano[3,4-f]indolizine-3,6,10(4H)-trione can I order?
We supply (4S)-4-Ethyl-7,8-dihydro-4-hydroxy-1H-pyrano[3,4-f]indolizine-3,6,10(4H)-trione 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 (4S)-4-Ethyl-7,8-dihydro-4-hydroxy-1H-pyrano[3,4-f]indolizine-3,6,10(4H)-trione?
Yes. Every lot of (4S)-4-Ethyl-7,8-dihydro-4-hydroxy-1H-pyrano[3,4-f]indolizine-3,6,10(4H)-trione 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 (4S)-4-Ethyl-7,8-dihydro-4-hydroxy-1H-pyrano[3,4-f]indolizine-3,6,10(4H)-trione be shipped internationally?
Yes. (4S)-4-Ethyl-7,8-dihydro-4-hydroxy-1H-pyrano[3,4-f]indolizine-3,6,10(4H)-trione is classified as hazardous, so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.
Enquire about (4S)-4-Ethyl-7,8-dihydro-4-hydroxy-1H-pyrano[3,4-f]indolizine-3,6,10(4H)-trione
We reply within one business day with price, pack options, lead time and documentation.