2-Methylnaphtho[1,2-d]thiazole - ≥98%(GC) , CAS No.2682-45-3

CAS: 2682-45-3 Cat. No.: M133092 Molecular Weight: 199.27 Beilstein Registry Number: 27(5)6,433
AVAILABLE TO ORDER
GRADE & PURITY ≥98%(GC)
Synonyms
FS-2402 | OUXMJRMYZCEVKO-UHFFFAOYSA- | 2-methylbenzo[e][1,3]benzothiazole | NSC 332548 | 2-Methyl-beta-naphthiazole | DTXSID7062588 | EINECS 220-240-1 | 2-Methyl-alpha-naphthothiazole | H10816 | 2-Methylnaphtho[1,2-d][1,3]thiazole # | 2-Methylnaphtho[1,2-
Storage
Room temperature
Shipped In
Normal
 ·  off list, applied to all prices below.
Size
Status
Price
Qty
1g
M133092-1g
3

$11.90

$17.90
Save $6.00 (33.52%)
5g
M133092-5g
2

$25.90

$38.90
Save $13.00 (33.42%)
10g
M133092-10g
3

$46.90

$70.90
Save $24.00 (33.85%)
25g
M133092-25g
1

$91.90

$137.90
Save $46.00 (33.36%)
100g
M133092-100g
1

$265.90

$398.90
Save $133.00 (33.34%)
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Why this grade

≥98%(GC) 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
FS-2402 | OUXMJRMYZCEVKO-UHFFFAOYSA- | 2-methylbenzo[e][1, 3]benzothiazole | NSC 332548 | 2-Methyl-beta-naphthiazole | DTXSID7062588 | EINECS 220-240-1 | 2-Methyl-alpha-naphthothiazole | H10816 | 2-Methylnaphtho[1, 2-d][1, 3]thiazole # | 2-Methylnaphtho[1, 2-
Specifications & Purity
≥98%(GC)
Storage
Room temperature
Shipped In
Normal
Purity
≥98%(GC)
Names and Identifiers
Pubchem Sid488185182
Pubchem Sid Urlhttps://pubchem.ncbi.nlm.nih.gov/substance/488185182
Canonical SmilesCC1=NC2=C(S1)C=CC3=CC=CC=C32
IUPAC Name2-methylbenzo[e][1,3]benzothiazole
InChIKeyOUXMJRMYZCEVKO-UHFFFAOYSA-N
INCHI1S/C12H9NS/c1-8-13-12-10-5-3-2-4-9(10)6-7-11(12)14-8/h2-7H,1H3
Isomeric SMILES CC1=NC2=C(S1)C=CC3=CC=CC=C32
Molecular Weight 199.27
Beilstein 27(5)6,433
Reaxy-Rn 7158
Reaxys-RN_link_address https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=7158&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
ClassNaphthothiazoles
SubclassNot available
Intermediate Tree Nodes Not available
Direct ParentNaphthothiazoles
Alternative Parents Naphthalenes  Benzothiazoles  Thiazoles  Heteroaromatic compounds  Azacyclic compounds  Organopnictogen compounds  Organonitrogen compounds  Hydrocarbon derivatives  
Molecular FrameworkAromatic heteropolycyclic compounds
Substituents Naphthothiazole - Naphthalene - 1,3-benzothiazole - Benzenoid - Heteroaromatic compound - Thiazole - Azole - Azacycle - Organic nitrogen compound - Organopnictogen compound - Hydrocarbon derivative - Organonitrogen compound - Aromatic heteropolycyclic compound
DescriptionThis compound belongs to the class of organic compounds known as naphthothiazoles. These are polycyclic aromatic compounds containing a thiazole fused to a naphthalene. Thiazole is a 5-membered aromatic ring containing three carbon, one oxygen, and one nitrogen atom. Naphthalene is a polycyclic aromatic hydrocarbon made up of two fused benzene rings.
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.

14 results found

Lot NumberCertificate TypeDateItem
L2215705Certificate of AnalysisJun 09, 2026 M133092
L2215744Certificate of AnalysisJun 09, 2026 M133092
L2215753Certificate of AnalysisJun 09, 2026 M133092
L2215773Certificate of AnalysisJun 09, 2026 M133092
L2215791Certificate of AnalysisJun 09, 2026 M133092
L2215801Certificate of AnalysisJun 09, 2026 M133092
H2210047Certificate of AnalysisFeb 05, 2026 M133092
H2511562Certificate of AnalysisJun 21, 2025 M133092
H2511563Certificate of AnalysisJun 21, 2025 M133092
H2521758Certificate of AnalysisJun 21, 2025 M133092
L2215792Certificate of AnalysisSep 14, 2024 M133092
G2417086Certificate of AnalysisNov 09, 2022 M133092
F2215141Certificate of AnalysisJul 05, 2022 M133092
H1622056Certificate of AnalysisMay 09, 2022 M133092

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Chemical and Physical Properties
Boil Point(°C)168 °C/5.5 mmHg
Melt Point(°C)96 °C
Molecular Weight199.270 g/mol
XLogP34.000
Hydrogen Bond Donor Count0
Hydrogen Bond Acceptor Count2
Rotatable Bond Count0
Exact Mass199.046 Da
Monoisotopic Mass199.046 Da
Topological Polar Surface Area41.100 Ų
Heavy Atom Count14
Formal Charge0
Complexity218.000
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
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