6-Methoxy-2-Methyl-1H-Benz[de]Isoquinoline-1,3(2H)-Dione - ≥97% , CAS No.3271-05-4

CAS: 3271-05-4 Cat. No.: M303453 Molecular Weight: 241.24
AVAILABLE TO ORDER
GRADE & PURITY ≥97%
Synonyms
Mikawhite AT | Fluorescent Brightening Agent 162 | 4-methoxy-n-methyl-1,8-naphthalimide | C.I. 56190 | C.I. Fluorescent Brightener 162 | AKOS022184351 | Mikawhite AT CONC | 1H-Benz(de)isoquinoline-1,3(2H)-dione, 6-methoxy-2-methyl- | CNUWYNDMLFVRBU-UHFFFA
Storage
Room temperature,Desiccated
Shipped In
Normal
 ·  off list, applied to all prices below.
Size
Status
Price
Qty
250mg
M303453-250mg
5

$15.90

$23.90
Save $8.00 (33.47%)
1g
M303453-1g
5

$23.90

$35.90
Save $12.00 (33.43%)
5g
M303453-5g
5

$61.90

$92.90
Save $31.00 (33.37%)
25g
M303453-25g
5

$229.90

$344.90
Save $115.00 (33.34%)
100g
M303453-100g
3

$758.90

$1,138.90
Save $380.00 (33.37%)
Enter a quantity for the sizes you want to add.
🧪

Why this grade

≥97% for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

🌡

Storage & shipping

Room temperature,Desiccated Ships Normal 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.

Specifications

Synonyms
Mikawhite AT | Fluorescent Brightening Agent 162 | 4-methoxy-n-methyl-1, 8-naphthalimide | C.I. 56190 | C.I. Fluorescent Brightener 162 | AKOS022184351 | Mikawhite AT CONC | 1H-Benz(de)isoquinoline-1, 3(2H)-dione, 6-methoxy-2-methyl- | CNUWYNDMLFVRBU-UHFFFA
Specifications & Purity
≥97%
Storage
Room temperature, Desiccated
Shipped In
Normal
Purity
≥97%
Names and Identifiers
Pubchem Sid488182495
Pubchem Sid Urlhttps://pubchem.ncbi.nlm.nih.gov/substance/488182495
Canonical SmilesCN1C(=O)C2=C3C(=C(C=C2)OC)C=CC=C3C1=O
IUPAC Name6-methoxy-2-methylbenzo[de]isoquinoline-1,3-dione
InChIKeyCNUWYNDMLFVRBU-UHFFFAOYSA-N
INCHI1S/C14H11NO3/c1-15-13(16)9-5-3-4-8-11(18-2)7-6-10(12(8)9)14(15)17/h3-7H,1-2H3
Isomeric SMILES CN1C(=O)C2=C3C(=C(C=C2)OC)C=CC=C3C1=O
Molecular Weight 241.24
Reaxy-Rn 1534374
Reaxys-RN_link_address https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=1534374&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.

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
SuperclassOrganoheterocyclic compounds
ClassIsoquinolines and derivatives
SubclassIsoquinolones and derivatives
Intermediate Tree Nodes Not available
Direct ParentIsoquinolones and derivatives
Alternative Parents Naphthalenes  Anisoles  Pyridinones  Alkyl aryl ethers  Heteroaromatic compounds  Lactams  Azacyclic compounds  Organopnictogen compounds  Organonitrogen compounds  Organic oxides  Hydrocarbon derivatives  
Molecular FrameworkAromatic heteropolycyclic compounds
Substituents Isoquinolone - Naphthalene - Anisole - Alkyl aryl ether - Pyridinone - Pyridine - Benzenoid - Heteroaromatic compound - Lactam - Ether - Azacycle - Organic oxygen compound - Hydrocarbon derivative - Organic nitrogen compound - Organooxygen compound - Organonitrogen compound - Organic oxide - Organopnictogen compound - Aromatic heteropolycyclic compound
DescriptionThis compound belongs to the class of organic compounds known as isoquinolones and derivatives. These are aromatic polycyclic compounds containing a ketone bearing isoquinoline moiety.
External Descriptors Not available
3D Structure
Interactive Chemical Structure Model





Associated Targets(Human)
LAPC4 (305 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
PRMT1 Tchem Protein-arginine N-methyltransferase 1 (867 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.

6 results found

Lot NumberCertificate TypeDateItem
C2303923Certificate of AnalysisJan 05, 2026 M303453
C2303826Certificate of AnalysisDec 12, 2025 M303453
C2303854Certificate of AnalysisDec 12, 2025 M303453
C2303903Certificate of AnalysisDec 12, 2025 M303453
C2303927Certificate of AnalysisDec 12, 2025 M303453
C2303296Certificate of AnalysisSep 30, 2022 M303453
Chemical and Physical Properties
Molecular Weight241.240 g/mol
XLogP32.100
Hydrogen Bond Donor Count0
Hydrogen Bond Acceptor Count3
Rotatable Bond Count1
Exact Mass241.074 Da
Monoisotopic Mass241.074 Da
Topological Polar Surface Area46.600 Ų
Heavy Atom Count18
Formal Charge0
Complexity381.000
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 Count1
Solution Calculators
Reviews

Customer Reviews

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