Ethyl 2-amino-7-isopropyl-5-oxo-5H-[1]benzopyrano[2,3-b]pyridine-3-carboxylate - ≥98% , CAS No.68301-99-5

CAS: 68301-99-5 Cat. No.: E727151 Molecular Weight: 326.35
AVAILABLE TO ORDER
GRADE & PURITY ≥98%
Synonyms
Ethyl 2-amino-7-isopropyl-5-oxo-5H-[1]benzopyrano[2,3-b]pyridine-3-carboxylate | Ethyl 2-amino-5-oxo-7-propan-2-ylchromeno[2,3-b]pyridine-3-carboxylate | Amlexanox ethyl ester
Storage
Protected from light,Store at -20°C,Argon charged
Shipped In
Ice chest + Ice pads
 ·  off list, applied to all prices below.
Size
Status
Price
Qty
5g
E727151-5g
1

$18.90

$28.90
Save $10.00 (34.60%)
25g
E727151-25g
1

$30.90

$46.90
Save $16.00 (34.12%)
100g
E727151-100g
1

$88.90

$133.90
Save $45.00 (33.61%)
Enter a quantity for the sizes you want to add.
🧪

Why this grade

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

🌡

Storage & shipping

Protected from light,Store at -20°C,Argon charged Ships Ice chest + Ice pads 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.

📚

Literature proof

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

Specifications

Synonyms
Ethyl 2-amino-7-isopropyl-5-oxo-5H-[1]benzopyrano[2, 3-b]pyridine-3-carboxylate | Ethyl 2-amino-5-oxo-7-propan-2-ylchromeno[2, 3-b]pyridine-3-carboxylate | Amlexanox ethyl ester
Specifications & Purity
≥98%
Storage
Protected from light, Store at -20°C, Argon charged
Shipped In
Ice chest + Ice pads
This product requires cold chain shipping. Ground and other economy services are not available.
Purity
≥98%
Names and Identifiers
Canonical SmilesCCOC(=O)C1=C(N=C2C(=C1)C(=O)C3=C(O2)C=CC(=C3)C(C)C)N
IUPAC Nameethyl 2-amino-5-oxo-7-propan-2-ylchromeno[2,3-b]pyridine-3-carboxylate
InChIKeyPFDJAEKKGJFCNL-UHFFFAOYSA-N
INCHI1S/C18H18N2O4/c1-4-23-18(22)13-8-12-15(21)11-7-10(9(2)3)5-6-14(11)24-17(12)20-16(13)19/h5-9H,4H2,1-3H3,(H2,19,20)
Isomeric SMILES CCOC(=O)C1=C(N=C2C(=C1)C(=O)C3=C(O2)C=CC(=C3)C(C)C)N
Alternate CAS 68301-99-5
Molecular Weight 326.35

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.

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🔬 Specification Sheet

Full quality attributes and acceptance criteria for this grade.

View spec sheet →

Advanced Data

Taxonomic Classification

Taxonomy Tree

KingdomOrganic compounds
SuperclassOrganoheterocyclic compounds
ClassBenzopyrans
Subclass1-benzopyrans
Intermediate Tree Nodes Chromones
Direct ParentChromeno[2,3-b]pyridine-5-ones
Alternative Parents Chromenopyridines  Pyranopyridines  Pyridinecarboxylic acids  Cumenes  Pyranones and derivatives  Aminopyridines and derivatives  Primary aromatic amines  Imidolactams  Vinylogous amides  Heteroaromatic compounds  Amino acids and derivatives  Carboxylic acid esters  Oxacyclic compounds  Azacyclic compounds  Monocarboxylic acids and derivatives  Organooxygen compounds  Organic oxides  Organopnictogen compounds  Hydrocarbon derivatives  
Molecular FrameworkAromatic heteropolycyclic compounds
Substituents Chromeno[2,3-b]pyridine-5-one - Chromenopyridine - Pyranopyridine - Cumene - Pyridine carboxylic acid - Pyridine carboxylic acid or derivatives - Aminopyridine - Pyranone - Primary aromatic amine - Pyran - Pyridine - Benzenoid - Imidolactam - Heteroaromatic compound - Vinylogous amide - Amino acid or derivatives - Carboxylic acid ester - Oxacycle - Azacycle - Carboxylic acid derivative - Monocarboxylic acid or derivatives - Hydrocarbon derivative - Organonitrogen compound - Organooxygen compound - Organopnictogen compound - Organic oxygen compound - Primary amine - Organic nitrogen compound - Amine - Organic oxide - Aromatic heteropolycyclic compound
DescriptionThis compound belongs to the class of organic compounds known as chromeno[2,3-b]pyridine-5-ones. These are compounds containing a Chromeno[2,3-b]pyridine moiety that carries an oxo group at the 5-position.
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.

9 results found

Lot NumberCertificate TypeDateItem
C2517771Certificate of AnalysisMar 01, 2025 E727151
C2517772Certificate of AnalysisMar 01, 2025 E727151
C2517773Certificate of AnalysisMar 01, 2025 E727151
C2517774Certificate of AnalysisMar 01, 2025 E727151
C2517775Certificate of AnalysisMar 01, 2025 E727151
C2517776Certificate of AnalysisMar 01, 2025 E727151
C2517777Certificate of AnalysisMar 01, 2025 E727151
C2517778Certificate of AnalysisMar 01, 2025 E727151
C2517787Certificate of AnalysisMar 01, 2025 E727151
Chemical and Physical Properties
SensitivityLight sensitive
Molecular Weight326.300 g/mol
XLogP33.800
Hydrogen Bond Donor Count1
Hydrogen Bond Acceptor Count6
Rotatable Bond Count4
Exact Mass326.127 Da
Monoisotopic Mass326.127 Da
Topological Polar Surface Area91.500 Ų
Heavy Atom Count24
Formal Charge0
Complexity495.000
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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