Coumarin 545T - ≥98% , CAS No.155306-71-1

CAS: 155306-71-1 Cat. No.: C130046 Molecular Weight: 430.56 EC Number: 812-706-3
AVAILABLE TO ORDER
GRADE & PURITY ≥98%
Synonyms
C545T | MFCD03427187 | Coumarin 545T | AKOS005145795 | AS-75003 | 10-(2-Benzothiazolyl)-2,3,6,7-tetrahydro-1,1,7,7-tetramethyl-1H,5H,11H-(1)benzopyropyrano(6,7-8-I,j)quinolizin-11-one | 1H,5H,11H-[1]Benzopyrano[6,7,8-ij]quinolizin-11-one,10-(2-benzothiazo
Storage
Room temperature
Shipped In
Normal
 ·  off list, applied to all prices below.
Size
Status
Price
Qty
100mg
C130046-100mg
5

$128.90

$188.90
Save $60.00 (31.76%)
200mg
C130046-200mg
2

$255.90

$329.90
Save $74.00 (22.43%)
250mg
C130046-250mg
3

$315.90

$376.90
Save $61.00 (16.18%)
1g
C130046-1g
1
$1,055.90
Enter a quantity for the sizes you want to add.
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Why this grade

≥98% 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 2 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Specifications

Synonyms
C545T | MFCD03427187 | Coumarin 545T | AKOS005145795 | AS-75003 | 10-(2-Benzothiazolyl)-2, 3, 6, 7-tetrahydro-1, 1, 7, 7-tetramethyl-1H, 5H, 11H-(1)benzopyropyrano(6, 7-8-I, j)quinolizin-11-one | 1H, 5H, 11H-[1]Benzopyrano[6, 7, 8-ij]quinolizin-11-one, 10-(2-benzothiazo
Specifications & Purity
≥98%
Storage
Room temperature
Shipped In
Normal
Purity
≥98%
Names and Identifiers
Pubchem Sid488195098
Pubchem Sid Urlhttps://pubchem.ncbi.nlm.nih.gov/substance/488195098
Canonical SmilesCC1(CCN2CCC(C3=C4C(=CC1=C32)C=C(C(=O)O4)C5=NC6=CC=CC=C6S5)(C)C)C
IUPAC Name5-(1,3-benzothiazol-2-yl)-10,10,16,16-tetramethyl-3-oxa-13-azatetracyclo[7.7.1.02,7.013,17]heptadeca-1,5,7,9(17)-tetraen-4-one
InChIKeyMSDMPJCOOXURQD-UHFFFAOYSA-N
INCHI1S/C26H26N2O2S/c1-25(2)9-11-28-12-10-26(3,4)20-21(28)17(25)14-15-13-16(24(29)30-22(15)20)23-27-18-7-5-6-8-19(18)31-23/h5-8,13-14H,9-12H2,1-4H3
Isomeric SMILES CC1(CCN2CCC(C3=C4C(=CC1=C32)C=C(C(=O)O4)C5=NC6=CC=CC=C6S5)(C)C)C
WGK Germany 3
Molecular Weight 430.56
Reaxy-Rn 7396893
Reaxys-RN_link_address https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=7396893&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
SuperclassPhenylpropanoids and polyketides
ClassCoumarins and derivatives
SubclassNot available
Intermediate Tree Nodes Not available
Direct ParentCoumarins and derivatives
Alternative Parents 1-benzopyrans  Hydroquinolines  Benzothiazoles  Dialkylarylamines  Pyranones and derivatives  Aralkylamines  Benzenoids  Heteroaromatic compounds  Thiazoles  Lactones  Azacyclic compounds  Oxacyclic compounds  Organopnictogen compounds  Organooxygen compounds  Organic oxides  Hydrocarbon derivatives  
Molecular FrameworkAromatic heteropolycyclic compounds
Substituents Coumarin - Benzopyran - Tetrahydroquinoline - 1-benzopyran - 1,3-benzothiazole - Dialkylarylamine - Tertiary aliphatic/aromatic amine - Pyranone - Aralkylamine - Pyran - Benzenoid - Azole - Heteroaromatic compound - Thiazole - Lactone - Tertiary amine - Azacycle - Oxacycle - Organoheterocyclic compound - Organooxygen compound - Organonitrogen compound - Amine - Hydrocarbon derivative - Organic oxide - Organopnictogen compound - Organic oxygen compound - Organic nitrogen compound - Aromatic heteropolycyclic compound
DescriptionThis compound belongs to the class of organic compounds known as coumarins and derivatives. These are polycyclic aromatic compounds containing a 1-benzopyran moiety with a ketone group at the C2 carbon atom (1-benzopyran-2-one).
External Descriptors benzothiazoles - 7-aminocoumarins
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.

10 results found

Lot NumberCertificate TypeDateItem
C2404244Certificate of AnalysisJan 17, 2024 C130046
F2517323Certificate of AnalysisJan 17, 2024 C130046
G2405021Certificate of AnalysisJan 17, 2024 C130046
C1912170Certificate of AnalysisJan 05, 2023 C130046
C2318958Certificate of AnalysisDec 15, 2022 C130046
C2318961Certificate of AnalysisDec 15, 2022 C130046
C2318967Certificate of AnalysisDec 15, 2022 C130046
C2318969Certificate of AnalysisDec 15, 2022 C130046
C2318975Certificate of AnalysisDec 15, 2022 C130046
F23061350Certificate of AnalysisDec 15, 2022 C130046
Chemical and Physical Properties
Melt Point(°C)230-232°C
Molecular Weight430.600 g/mol
XLogP36.700
Hydrogen Bond Donor Count0
Hydrogen Bond Acceptor Count5
Rotatable Bond Count1
Exact Mass430.171 Da
Monoisotopic Mass430.171 Da
Topological Polar Surface Area70.700 Ų
Heavy Atom Count31
Formal Charge0
Complexity792.000
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
Citations of This Product
References
1. Peng-Fei Qian, Wen-Hao Geng, Ze-Long Bao, Li-Chao Jing, Di Zhang, Hong-Zhang Geng.  (2024)  Eco-friendly transparent conductive films formed by silver nanowires embedded with conductive polymers in HPMC for flexible OLEDs.  Surfaces and Interfaces,      [PMID:] [10.1016/j.surfin.2024.105583]
2. Peng-Fei Qian, Tao Wang, Wen-Hao Geng, Ze-Long Bao, Li-Chao Jing, Yu-Long Guo, Tong-Yu Li, Tian-Li Wang, Yue-Xin Wang, Hong-Zhang Geng.  (2025)  All-solution processed layer-by-layer deposition of multifunctional flexible transparent conductive films with ultra-high adhesion.  Surfaces and Interfaces,      [PMID:] [10.1016/j.surfin.2025.106830]
Solution Calculators
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