Lapatinib Ditosylate(GW-572016) - ≥98% , CAS No.388082-77-7

CAS: 388082-77-7 Cat. No.: L129338 Molecular Weight: 925.46 EC Number: 879-201-8
AVAILABLE TO ORDER
GRADE & PURITY ≥98%
Synonyms
DTXSID20180974 | 4-Quinazolinamine, N-(3-chloro-4-((3-fluorophenyl)methoxy)phenyl)-6-(5-(((2-(methylsulfonyl)ethyl)amino)methyl)-2-furanyl)-, bis(4-methylbenzenesulfonate) | 4WK72K94MC | EC-000.2339 | GW 572016F | SR-05000001472-2 | DTXSID60959606 | S1028
Storage
Store at 2-8°C
Shipped In
Wet ice
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Size
Status
Price
Qty
25mg
L129338-25mg
3
$9.90
100mg
L129338-100mg
3
$10.90
250mg
L129338-250mg
3
$11.90
500mg
L129338-500mg
3

$17.90

$26.90
Save $9.00 (33.46%)
1g
L129338-1g
3

$22.90

$34.90
Save $12.00 (34.38%)
5g
L129338-5g
3

$78.90

$118.90
Save $40.00 (33.64%)
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Why this grade

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

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Storage & shipping

Store at 2-8°C Ships Wet ice 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.

Overview

Lapatinib Ditosylate (GW572016, GW2016) is a potent EGFR and ErbB2 inhibitor with IC50 of 10.8 and 9.2 nM, respectively.

Specifications

Synonyms
DTXSID20180974 | 4-Quinazolinamine, N-(3-chloro-4-((3-fluorophenyl)methoxy)phenyl)-6-(5-(((2-(methylsulfonyl)ethyl)amino)methyl)-2-furanyl)-, bis(4-methylbenzenesulfonate) | 4WK72K94MC | EC-000.2339 | GW 572016F | SR-05000001472-2 | DTXSID60959606 | S1028
Specifications & Purity
≥98%
Biochemical and Physiological Mechanisms

Lapatinib ditosylate is a selective and effective inhibitor of ErbB-2 and EGFR dual tyrosine kinases. ErbB-2 and EGFR dual tyrosine kinases are growth promoting factors that are over expressed in some breast cancer cell lines. Research st

Storage
Store at 2-8°C
Shipped In
Wet ice
This product requires cold chain shipping. Ground and other economy services are not available.
Purity
≥98%
Names and Identifiers
Pubchem Sid504765125
Pubchem Sid Urlhttps://pubchem.ncbi.nlm.nih.gov/substance/504765125
Canonical SmilesCC1=CC=C(C=C1)S(=O)(=O)O.CC1=CC=C(C=C1)S(=O)(=O)O.CS(=O)(=O)CCNCC1=CC=C(O1)C2=CC3=C(C=C2)N=CN=C3NC4=CC(=C(C=C4)OCC5=CC(=CC=C5)F)Cl
IUPAC NameN-[3-chloro-4-[(3-fluorophenyl)methoxy]phenyl]-6-[5-[(2-methylsulfonylethylamino)methyl]furan-2-yl]quinazolin-4-amine;4-methylbenzenesulfonic acid
InChIKeyUWYXLGUQQFPJRI-UHFFFAOYSA-N
INCHI1S/C29H26ClFN4O4S.2C7H8O3S/c1-40(36,37)12-11-32-16-23-7-10-27(39-23)20-5-8-26-24(14-20)29(34-18-33-26)35-22-6-9-28(25(30)15-22)38-17-19-3-2-4-21(31)13-19;2*1-6-2-4-7(5-3-6)11(8,9)10/h2-10,13-15,18,32H,11-12,16-17H2,1H3,(H,33,34,35);2*2-5H,1H3,(H,8,9,10)
Isomeric SMILES CC1=CC=C(C=C1)S(=O)(=O)O.CC1=CC=C(C=C1)S(=O)(=O)O.CS(=O)(=O)CCNCC1=CC=C(O1)C2=CC3=C(C=C2)N=CN=C3NC4=CC(=C(C=C4)OCC5=CC(=CC=C5)F)Cl
Alternate CAS 388082-78-8,388082-77-7
MeSH Entry Terms GW 282974X;GW 572016;GW-282974X;GW-572016;GW282974X;GW572016;lapatinib;lapatinib ditosylate;N-(3-chloro-4-(((3-fluorobenzyl)oxy)phenyl)-6-(5-(((2-methylsulfonyl)ethyl)amino)methyl) -2-furyl)-4-quinazolinamine;Tykerb
Molecular Weight 925.46
Reaxy-Rn 11608649
Reaxys-RN_link_address https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=11608649&ln=

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.

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📊 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
SuperclassOrganoheterocyclic compounds
ClassDiazanaphthalenes
SubclassBenzodiazines
Intermediate Tree Nodes Quinazolines
Direct ParentQuinazolinamines
Alternative Parents Phenoxy compounds  Phenol ethers  Aniline and substituted anilines  Alkyl aryl ethers  Aminopyrimidines and derivatives  Aralkylamines  Chlorobenzenes  Fluorobenzenes  Aryl chlorides  Aryl fluorides  Imidolactams  Sulfones  Heteroaromatic compounds  Furans  Azacyclic compounds  Dialkylamines  Oxacyclic compounds  Hydrocarbon derivatives  Organic oxides  Organochlorides  Organofluorides  Organopnictogen compounds  
Molecular FrameworkNot available
Substituents Quinazolinamine - Phenol ether - Phenoxy compound - Aniline or substituted anilines - Halobenzene - Alkyl aryl ether - Aminopyrimidine - Fluorobenzene - Aralkylamine - Chlorobenzene - Imidolactam - Benzenoid - Aryl chloride - Pyrimidine - Monocyclic benzene moiety - Aryl halide - Aryl fluoride - Furan - Sulfonyl - Sulfone - Heteroaromatic compound - Oxacycle - Azacycle - Secondary aliphatic amine - Ether - Secondary amine - Organosulfur compound - Organopnictogen compound - Organic oxygen compound - Amine - Organic nitrogen compound - Hydrocarbon derivative - Organic oxide - Organooxygen compound - Organohalogen compound - Organochloride - Organofluoride - Organonitrogen compound - Aromatic heteropolycyclic compound
DescriptionThis compound belongs to the class of organic compounds known as quinazolinamines. These are heterocyclic aromatic compounds containing a quianazoline moiety substituted by one or more amine groups.
External Descriptors Not available
3D Structure
Interactive Chemical Structure Model





Associated Targets(Human)
ABL1 Tclin Tyrosine-protein kinase ABL (18331 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
GSK3B Tclin Glycogen synthase kinase-3 beta (11785 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
CSNK1D Tchem Casein kinase I delta (4546 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
CDK2 Tchem Cyclin-dependent kinase 2 (9050 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
AURKA Tchem Serine/threonine-protein kinase Aurora-A (10240 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
MDA-MB-361 (612 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
NCI-H1975 (4994 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
SK-BR-3 (5175 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
A-431 (6446 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
HepG2 (196354 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
BRD4 Tchem Bromodomain-containing protein 4 (13122 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
TRIM24 Tchem Transcription intermediary factor 1-alpha (2087 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Associated Targets(non-human)
Mapk1 MAP kinase ERK2 (650 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Fgfr3 Fibroblast growth factor receptor 3 (21 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.

7 results found

Lot NumberCertificate TypeDateItem
J2213901Certificate of AnalysisApr 03, 2026 L129338
J2213908Certificate of AnalysisApr 03, 2026 L129338
J2213909Certificate of AnalysisApr 03, 2026 L129338
J2213918Certificate of AnalysisApr 03, 2026 L129338
J2213926Certificate of AnalysisApr 03, 2026 L129338
J2213927Certificate of AnalysisApr 03, 2026 L129338
J1527051Certificate of AnalysisMar 04, 2025 L129338
Chemical and Physical Properties
SolubilityDMSO 185 mg/mL Water Ethanol
Molecular Weight925.500 g/mol
XLogP3
Hydrogen Bond Donor Count4
Hydrogen Bond Acceptor Count15
Rotatable Bond Count13
Exact Mass924.174 Da
Monoisotopic Mass924.174 Da
Topological Polar Surface Area240.000 Ų
Heavy Atom Count62
Formal Charge0
Complexity1100.000
Isotope Atom Count0
Defined Atom Stereocenter Count0
Undefined Atom Stereocenter Count0
Defined Bond Stereocenter Count0
Undefined Bond Stereocenter Count0
The total count of all stereochemical bonds0
Covalently-Bonded Unit Count3
Solution Calculators
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