7-Ethylcamptothecin - ≥96%(HPLC) , CAS No.78287-27-1

CAS: 78287-27-1 Cat. No.: E134852 Formula: C22H20N2O4 Molecular Weight: 376.41 EC Number: 680-163-8
AVAILABLE TO ORDER
GRADE & PURITY ≥96%(HPLC)
Synonyms
3,3,5-Trimethylcyclohexyl hydroxy(phenyl)acetate | 7-ETHYLCAMPTOTHECIN [USP IMPURITY] | Proeptatriene [Italian] | 4,11-diethyl-4,9-dihydroxy-(4S)-3,4,12,14-tetrahydro-1H-pyrano[3'',4'':6,7]indolizino[1,2-b]quinoline-3,14-dione | E0781 | 7-Ethyl-20(S)-camp
Storage
Room temperature
Shipped In
Normal
★
Size
USA
Germany (EU)*
Price
Qty
50mg
E134852-50mg
1 In stock
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$9.90

$14.90
Save $5.00 (33.56%)
250mg
E134852-250mg
8 In stock
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$20.90

$31.90
Save $11.00 (34.48%)
1g
E134852-1g
In stock ≥10
—

$68.90

$103.90
Save $35.00 (33.69%)
5g
E134852-5g
2 In stock
—

$196.90

$295.90
Save $99.00 (33.46%)
25g
E134852-25g
3 In stock
—

$496.90

$745.90
Save $249.00 (33.38%)
Enter a quantity for the sizes you want to add.
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Why this grade

≥96%(HPLC) for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

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Storage & shipping

Room temperature Ships Normal Check lot-specific COA for exact specifications.

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Quality documents

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

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Literature proof

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

Specifications

Synonyms
3,3,5-Trimethylcyclohexyl hydroxy(phenyl)acetate | 7-ETHYLCAMPTOTHECIN [USP IMPURITY] | Proeptatriene [Italian] | 4,11-diethyl-4,9-dihydroxy-(4S)-3,4,12,14-tetrahydro-1H-pyrano[3'',4'':6,7]indolizino[1,2-b]quinoline-3,14-dione | E0781 | 7-Ethyl-20(S)-camp
Specifications & Purity
≥96%(HPLC)
Storage
Room temperature
Shipped In
Normal
Purity
≥96%(HPLC)
Names and Identifiers
Pubchem Sid
Pubchem Sid Url
https://pubchem.ncbi.nlm.nih.gov/substance/488187797
Canonical Smiles
CCC1=C2CN3C(=CC4=C(C3=O)COC(=O)C4(CC)O)C2=NC5=CC=CC=C51
IUPAC Name
(19S)-10,19-diethyl-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
InChIKey
MYQKIWCVEPUPIL-QFIPXVFZSA-N
INCHI
1S/C22H20N2O4/c1-3-12-13-7-5-6-8-17(13)23-19-14(12)10-24-18(19)9-16-15(20(24)25)11-28-21(26)22(16,27)4-2/h5-9,27H,3-4,10-11H2,1-2H3/t22-/m0/s1
Isomeric SMILES
CCC1=C2CN3C(=CC4=C(C3=O)COC(=O)[C@@]4(CC)O)C2=NC5=CC=CC=C51
Molecular Weight
376.41
Reaxy-Rn
11567758
Reaxys-RN_link_address
https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=11567758&ln=

Documentation

📋 Safety Data Sheet (SDS)

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

<<<<<<< HEAD Download SDS → ======= Download SDS → >>>>>>> release248-p3

✅ 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.

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Advanced Data

Taxonomic Classification

Taxonomy Tree

KingdomOrganic compounds
SuperclassAlkaloids and derivatives
ClassCamptothecins
SubclassNot available
Intermediate Tree Nodes Not available
Direct ParentCamptothecins
Alternative Parents Quinolines and derivatives  Pyranopyridines  Pyridinones  Benzenoids  Tertiary alcohols  Heteroaromatic compounds  Carboxylic acid esters  Lactams  Lactones  Azacyclic compounds  Oxacyclic compounds  Monocarboxylic acids and derivatives  Organonitrogen compounds  Organopnictogen compounds  Hydrocarbon derivatives  Organic oxides  Carbonyl compounds  
Molecular FrameworkAromatic heteropolycyclic compounds
Substituents Camptothecin - Pyranopyridine - Quinoline - Pyridinone - Pyridine - Benzenoid - Heteroaromatic compound - Tertiary alcohol - Carboxylic acid ester - Lactam - Lactone - Monocarboxylic acid or derivatives - Carboxylic acid derivative - Oxacycle - Azacycle - Organoheterocyclic compound - Hydrocarbon derivative - Organic oxide - Organopnictogen compound - Organic oxygen compound - Organooxygen compound - Organonitrogen compound - Organic nitrogen compound - Alcohol - Carbonyl group - 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





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.

7 results found

Lot NumberCertificate TypeDateItem
F2207190F2207190Certificate of AnalysisDec 12, 2025 E134852
F2207191F2207191Certificate of AnalysisDec 12, 2025 E134852
F2207193F2207193Certificate of AnalysisDec 12, 2025 E134852
F2207198F2207198Certificate of AnalysisDec 12, 2025 E134852
G2308117G2308117Certificate of AnalysisApr 09, 2025 E134852
G2308111G2308111Certificate of AnalysisApr 09, 2025 E134852
E1703004E1703004Certificate of AnalysisSep 09, 2024 E134852
Chemical and Physical Properties
Specific Rotation[α]43° (C=0.4,CHCl3:MeOH=8:2)
Molecular Weight376.400 g/mol
XLogP31.800
Hydrogen Bond Donor Count1
Hydrogen Bond Acceptor Count5
Rotatable Bond Count2
Exact Mass376.142 Da
Monoisotopic Mass376.142 Da
Topological Polar Surface Area79.700 Ų
Heavy Atom Count28
Formal Charge0
Complexity787.000
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
Reviews

Customer Reviews

Frequently Asked Questions

What is the purity of this product, and how is it determined?
This product is supplied at ≥96% purity, determined by HPLC. Lot-specific values are stated on the Certificate of Analysis.
How should this product be stored?
Store at room temperature.
How is this product shipped?
This product ships under standard ambient conditions. No temperature-controlled packaging is required.
What are the CAS number, molecular formula and molecular weight?
The CAS Number is 78287-27-1, the molecular formula is C22H20N2O4, and the molecular weight is 376.41 g/mol. InChIKey MYQKIWCVEPUPIL-QFIPXVFZSA-N.
What documentation is provided?
Available product documentation, including Certificates of Analysis (COA), Safety Data Sheets (SDS), and specification sheets, is shown in the product document area. Document availability and access follow the current site policy.

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