Rubitecan - ≥98%(HPLC) , DNA topoisomerase I inhibitor, CAS No.91421-42-0, DNA topoisomerase I inhibitor

CAS: 91421-42-0 Cat. No.: R139432 Molecular Weight: 393.35 EC Number: 995-853-7 PubChem CID: 472335
AVAILABLE TO ORDER
GRADE & PURITY ≥98%(HPLC)
Synonyms
9-nitro-20-(S)-camptothecin | 9-nitro-20(S)-camptothecin | H19C446XXB | (4s)-4-ethyl-4-hydroxy-10-nitro-1h-pyrano[3',4':6,7]indolizino[1,2-b]quinoline-3,14(4h,12h)-dione | NaOCH3 | BCP06207 | Camptogen | BDBM50248354 | CAS-91421-42-0 | CHEBI:90225 | EX-A4
Storage
Store at -20°C
Shipped In
Ice chest + Ice pads
 ·  off list, applied to all prices below.
Size
Status
Price
Qty
25mg
R139432-25mg
2

$91.90

$137.90
Save $46.00 (33.36%)
100mg
R139432-100mg
2

$292.90

$439.90
Save $147.00 (33.42%)
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Why this grade

≥98%(HPLC) for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

🌡

Storage & shipping

Store at -20°C Ships Ice chest + Ice pads Check lot-specific COA for exact specifications.

📋

Quality documents

SDS, COA, datasheet, and spec sheet available for download. Lot-specific COA accessible via lot number lookup.

📚

Literature proof

Cited in 0 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Overview

Rubitecan (RFS 2000), a Camptothecin derivative, is an orally active topoisomerase I inhibitor with broad antitumor activity, and induces protein-linked DNA single-strand breaks, thereby blocking DNA and RNA synthesis in dividing cells.

Specifications

Synonyms
9-nitro-20-(S)-camptothecin | 9-nitro-20(S)-camptothecin | H19C446XXB | (4s)-4-ethyl-4-hydroxy-10-nitro-1h-pyrano[3', 4':6, 7]indolizino[1, 2-b]quinoline-3, 14(4h, 12h)-dione | NaOCH3 | BCP06207 | Camptogen | BDBM50248354 | CAS-91421-42-0 | CHEBI:90225 | EX-A4
Specifications & Purity
≥98%(HPLC)
Biochemical and Physiological Mechanisms
Topoisomerase I inhibitor. Rubitecan induces protein- linked DNA single strand breaks, blocking DNA and RNA synthesis in dividing cells. This mode of action makes rubitecan a potential chemotherapeutic agent, and it has been used with some success against
Storage
Store at -20°C
Shipped In
Ice chest + Ice pads
This product requires cold chain shipping. Ground and other economy services are not available.
Action Type
INHIBITOR
Mechanism of action
DNA topoisomerase I inhibitor
Note
Wherever possible, you should prepare and use solutions on the same day. However, if you need to make up stock solutions in advance, we recommend that you store the solution as aliquots in tightly sealed vials at -20°C. Generally, these will be useable for up to one month. Before use, and prior to opening the vial we recommend that you allow your product to equilibrate to room temperature for at least 1 hour. Need more advice on solubility, usage and handling? Please visit our frequently asked questions (FAQ) page for more details.
Purity
≥98%(HPLC)
Names and Identifiers
Pubchem Sid504758930
Pubchem Sid Urlhttps://pubchem.ncbi.nlm.nih.gov/substance/504758930
Canonical SmilesCCC1(C2=C(COC1=O)C(=O)N3CC4=CC5=C(C=CC=C5[N+](=O)[O-])N=C4C3=C2)O
IUPAC Name(19S)-19-ethyl-19-hydroxy-8-nitro-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
InChIKeyVHXNKPBCCMUMSW-FQEVSTJZSA-N
INCHI1S/C20H15N3O6/c1-2-20(26)13-7-16-17-10(8-22(16)18(24)12(13)9-29-19(20)25)6-11-14(21-17)4-3-5-15(11)23(27)28/h3-7,26H,2,8-9H2,1H3/t20-/m0/s1
Isomeric SMILES CC[C@@]1(C2=C(COC1=O)C(=O)N3CC4=CC5=C(C=CC=C5[N+](=O)[O-])N=C4C3=C2)O
PubChem CID 472335
Molecular Weight 393.35
Reaxy-Rn 5365063

Documentation

📋 Safety Data Sheet (SDS)

Comprehensive hazard, handling, storage, and regulatory compliance document.

Download SDS →

✅ Certificate of Analysis (COA)

Lot-specific quality data. Enter your lot number to retrieve the exact COA.

Look up COA →

📊 Datasheet

Quick-reference summary of product specifications and applications.

View datasheet →

🔬 Specification Sheet

Full quality attributes and acceptance criteria for this grade.

View spec sheet →

Advanced Data

Taxonomic Classification

Taxonomy Tree

KingdomOrganic compounds
SuperclassAlkaloids and derivatives
ClassCamptothecins
SubclassNot available
Intermediate Tree Nodes Not available
Direct ParentCamptothecins
Alternative Parents Nitroquinolines and derivatives  Pyranopyridines  Nitroaromatic compounds  Pyridinones  Benzenoids  Tertiary alcohols  Heteroaromatic compounds  Carboxylic acid esters  Lactones  Lactams  Propargyl-type 1,3-dipolar organic compounds  Oxacyclic compounds  Azacyclic compounds  Organic oxoazanium compounds  Monocarboxylic acids and derivatives  Hydrocarbon derivatives  Organic oxides  Organic zwitterions  Carbonyl compounds  Organonitrogen compounds  Organopnictogen compounds  
Molecular FrameworkAromatic heteropolycyclic compounds
Substituents Camptothecin - Nitroquinoline - Pyranopyridine - Quinoline - Nitroaromatic compound - Pyridinone - Pyridine - Benzenoid - Heteroaromatic compound - Tertiary alcohol - Carboxylic acid ester - Lactam - Lactone - C-nitro compound - Organic nitro compound - Organoheterocyclic compound - Azacycle - Oxacycle - Organic 1,3-dipolar compound - Propargyl-type 1,3-dipolar organic compound - Allyl-type 1,3-dipolar organic compound - Carboxylic acid derivative - Monocarboxylic acid or derivatives - Organic oxoazanium - Organic zwitterion - Organic oxygen compound - Carbonyl group - Organonitrogen compound - Organic nitrogen compound - Alcohol - Organooxygen compound - Organopnictogen compound - Organic oxide - Hydrocarbon derivative - Aromatic heteropolycyclic compound
DescriptionThis compound belongs to the class of organic compounds known as camptothecins. These are heterocyclic compounds comprising a planar pentacyclic ring structure, that includes a pyrrolo[3,4-beta]-quinoline moiety (rings A, B and C), conjugated pyridone moiety (ring D) and one chiral center at position 20 within the alpha-hydroxy lactone ring with (S) configuration (the E-ring).
External Descriptors Not available
3D Structure
Interactive Chemical Structure Model





Associated Targets(Human)
F2 Tclin Thrombin (11687 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
ESR1 Tclin Estrogen receptor alpha (17718 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
PGR Tclin Progesterone receptor (8562 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
CHRM2 Tclin Muscarinic acetylcholine receptor M2 (10671 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
HTR1A Tclin Serotonin 1a (5-HT1a) receptor (14969 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
ADRA2A Tclin Alpha-2a adrenergic receptor (9450 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
AR Tclin Androgen Receptor (11781 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
CHRM1 Tclin Muscarinic acetylcholine receptor M1 (12690 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
GABRA1 Tclin GABA receptor alpha-1 subunit (399 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
MAOA Tclin Monoamine oxidase A (11911 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
DRD1 Tclin Dopamine D1 receptor (9720 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
ACHE Tclin Acetylcholinesterase (18204 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
PTGS1 Tclin Cyclooxygenase-1 (9233 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
SLC6A2 Tclin Norepinephrine transporter (10102 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
ADORA1 Tclin Adenosine A1 receptor (17603 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
SLC6A4 Tclin Serotonin transporter (12625 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
ADRA1A Tclin Alpha-1a adrenergic receptor (8359 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
OPRM1 Tclin Mu opioid receptor (19785 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
DRD3 Tclin Dopamine D3 receptor (14368 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
SLC6A3 Tclin Dopamine transporter (10535 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
PDE3A Tclin Phosphodiesterase 3A (3309 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
HTR2B Tclin Serotonin 2b (5-HT2b) receptor (10323 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
TBXA2R Tclin Thromboxane A2 receptor (5717 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
PDE4A Tclin Phosphodiesterase 4A (1943 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
HRH3 Tclin Histamine H3 receptor (10389 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
A-375 (9258 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Caco-2 (12174 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
HEK293 (82097 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Jurkat (10389 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
HeLa (62764 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
MDA-MB-231 (73002 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
HTT Tchem Huntingtin (19182 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
ABCC2 Tchem Canalicular multispecific organic anion transporter 1 (1191 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
ABCB11 Tchem Bile salt export pump (2311 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
ABCC3 Tbio Canalicular multispecific organic anion transporter 2 (718 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
TDP1 Tchem Tyrosyl-DNA phosphodiesterase 1 (345557 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
GMNN Tbio Geminin (128009 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
PMP22 Tbio Peripheral myelin protein 22 (699 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
ABCC4 Tchem Multidrug resistance-associated protein 4 (785 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
USP1 Tchem Ubiquitin carboxyl-terminal hydrolase 1 (22556 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Associated Targets(non-human)
Hdac6 Histone deacetylase 6 (222 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Pseudomonas aeruginosa (123386 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Klebsiella pneumoniae (43867 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Staphylococcus aureus (210822 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Acinetobacter baumannii (41033 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Escherichia coli (133304 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Plasmodium falciparum (966862 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Cryptococcus neoformans (21258 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Candida albicans (78123 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Mus musculus (284745 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
P338 (231 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
rep Replicase polyprotein 1ab (378 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Rorc Nuclear receptor ROR-gamma (89407 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Mechanisms of Action
Certificates(CoA,COO,BSE/TSE and Analysis Chart)
C of A & Other Certificates(BSE/TSE, COO):
Analytical Chart:

Find and download the COA for your product by matching the lot number on the packaging.

2 results found

Lot NumberCertificate TypeDateItem
H2124407Certificate of AnalysisJun 07, 2023 R139432
H2124408Certificate of AnalysisJun 07, 2023 R139432
Chemical and Physical Properties
Specific Rotation[α]39° (C=0.4,CHCl3:MeOH=8:2)
Melt Point(°C)268°C(lit.)
Molecular Weight393.300 g/mol
XLogP30.800
Hydrogen Bond Donor Count1
Hydrogen Bond Acceptor Count7
Rotatable Bond Count1
Exact Mass393.096 Da
Monoisotopic Mass393.096 Da
Topological Polar Surface Area126.000 Ų
Heavy Atom Count29
Formal Charge0
Complexity861.000
Isotope Atom Count0
Defined Atom Stereocenter Count1
Undefined Atom Stereocenter Count0
Defined Bond Stereocenter Count0
Undefined Bond Stereocenter Count0
The total count of all stereochemical bonds0
Covalently-Bonded Unit Count1
Solution Calculators
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