Molekula
(S)-(+)-Camptothecin
Supplying 4,500+ customers in over 80 countries
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 2000 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need
(S)-(+)-Camptothecin is a natural alkaloid and topoisomerase I inhibitor used in cancer research and drug development. It is a key compound in the synthesis of anticancer agents such as irinotecan and topotecan. Available with a CAS number of 7689-03-4, molecular formula C20H16N2O4, and molecular weight 348.35 g/mol. Stored at 2 to 8 °C. Hazard classification includes signal word Danger. Molekula supplies (S)-(+)-Camptothecin from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Example image for illustration only. Other packaging and pack sizes are available.
Pricing & pack sizes
These pack sizes aren't a limit. Molekula manufactures, sources and repacks to order — if you need 500 kg and only see 1 kg listed, . We quote from grams to multi-tonne.
Need a different size? Add the nearest pack and change the size in your basket — we price it at the same rate per unit.
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100 mg — $144.70 per pack
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Prices exclude VAT/sales tax and shipping.
Specifications
| Property | Value |
|---|---|
| Appearance | Off-white to pale yellow powder |
| Melting Point | 261 - 265 ℃ |
| Specific rotation | +29 to +31 |
| Purity (HPLC) | ≥99% |
| Loss on Drying | ≤1% |
| Assay HPLC | ≥98% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | 2 to 8 °C |
| Transport Class | 6.1 |
| Packing Group | III |
| Acidity | Acid |
Literature values
Published physical properties of the substance, not batch specifications.
| Property | Value |
|---|---|
| Melting Point | 275-277 °C |
Source: PubChem CID 24360 (DrugBank)
Identification
| Property | Value |
|---|---|
| SKU | 48231379 |
| CAS Number | 7689-03-4 |
| IUPAC Name | (19S)-19-ethyl-19-hydroxy-17-oxa-3,13-diazapentacyclo[11.8.0.02,11.04,9.015,20]henicosa-1(21),2,4,6,8,10,15(20)-heptaene-14,18-dione |
| Molecular Formula | C20H16N2O4 |
| Molecular Weight | 348.35 |
| Exact Mass | 348.111 |
| SMILES | CC[C@@]1(C2=C(COC1=O)C(=O)N3CC4=CC5=CC=CC=C5N=C4C3=C2)O |
| InChIKey | VSJKWCGYPAHWDS-FQEVSTJZSA-N |
| InChI | InChI=1S/C20H16N2O4/c1-2-20(25)14-8-16-17-12(7-11-5-3-4-6-15(11)21-17)9-22(16)18(23)13(14)10-26-19(20)24/h3-8,25H,2,9-10H2,1H3/t20-/m0/s1 |
| PubChem CID | 24360 |
| UN Number | UN1544 |
| REACH Code | Y110 |
| HTS Code | 29397900 |
| Tariff Code | 2939799090 |
Safety & GHS
-
Toxic
GHS06
-
Serious Health Hazard
GHS08
Hazard statements
- H301 Toxic if swallowed
- H340 May cause genetic defects
Precautionary statements
- P260 Do not breathe dust/fume/gas/mist/vapours/spray
- P270 Do not eat, drink or smoke when using this product
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P301+310 IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician
- P308+313 IF exposed or concerned: Get medical advice/attention
Documents
Safety Data Sheets (SDS)
Available in English, French, German, Italian, Spanish.
Certificate of Analysis (CoA) by batch
Enter a lot or batch number to retrieve the CoA for that specific batch. We can generate one from spec data if no PDF is on file.
Synonyms
- (s)-camptothecine
- 20(S)-Camptothecine
- 21,22-Secocamptothecin-21-oic acid lactone
- Campathecin
- camptothecin
- Camptothecine
- Camptothecine (S,+)
- d-Camptothecin
- Prestwick2_000200
- SpecPlus_000712
Frequently asked questions
What is (S)-(+)-Camptothecin used for?
It is a topoisomerase I inhibitor used in cancer research and the development of anticancer drugs.
What is the chemical formula and molecular weight of (S)-(+)-Camptothecin?
The formula is C20H16N2O4 with a molecular weight of 348.35 g/mol.
How should (S)-(+)-Camptothecin be stored?
It should be stored at 2 to 8 °C, protected from light and moisture.
What grade is available for (S)-(+)-Camptothecin?
It is available in research grade, suitable for laboratory use.
Can Molekula supply (S)-(+)-Camptothecin in bulk?
Yes, Molekula can supply (S)-(+)-Camptothecin in bulk quantities—please contact sales for details.
What documentation comes with an order of (S)-(+)-Camptothecin?
Each order includes a Certificate of Analysis and Safety Data Sheet (SDS) with the shipment.
Ready to order or need a custom pack?
Tell us the product, grade, and quantity — Molekula usually responds within one working day with pricing and lead time.