3-Methylquinoxaline-2-carboxylic Acid - ≥95% , CAS No.74003-63-7

CAS: 74003-63-7 Cat. No.: M136765 Molecular Weight: 188.183 EC Number: 635-366-6
AVAILABLE TO ORDER
GRADE & PURITY ≥95%
Synonyms
A917111 | FT-0672133 | SCHEMBL2056931 | 3-methylquinoxaline-2-carboxylicacid | EN300-226768 | 3-Methyl-2-quinoxalinecarboxylic acid | MFCD03840415 | AG-0701 | C76365 | 2-Quinoxalinecarboxylic acid, 3-methyl- | 3-Methyl-quinoxaline-2-carboxylic acid 100 mi
Storage
Store at -20°C
Shipped In
Ice chest + Ice pads
 ·  off list, applied to all prices below.
Size
Status
Price
Qty
10mg
M136765-10mg
3
$30.90
50mg
M136765-50mg
2
$57.90
100mg
M136765-100mg
8-12 wks(?) Production requires sourcing of materials. We appreciate your patience and understanding.
$109.90
Enter a quantity for the sizes you want to add.
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Why this grade

≥95% for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

🌡

Storage & shipping

Store at -20°C 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 1 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Overview

3-Methylquinoxaline-2-carboxylic Acid is a Carbadox and Olaquindox metabolite.
A Carbadox and Olaquindox metabolite.

Specifications

Synonyms
A917111 | FT-0672133 | SCHEMBL2056931 | 3-methylquinoxaline-2-carboxylicacid | EN300-226768 | 3-Methyl-2-quinoxalinecarboxylic acid | MFCD03840415 | AG-0701 | C76365 | 2-Quinoxalinecarboxylic acid, 3-methyl- | 3-Methyl-quinoxaline-2-carboxylic acid 100 mi
Specifications & Purity
≥95%
Storage
Store at -20°C
Shipped In
Ice chest + Ice pads
This product requires cold chain shipping. Ground and other economy services are not available.
Purity
≥95%
Names and Identifiers
Canonical SmilesCC1=NC2=CC=CC=C2N=C1C(=O)O
IUPAC Name3-methylquinoxaline-2-carboxylic acid
InChIKeyBJPNADFNSANIPF-UHFFFAOYSA-N
INCHI1S/C10H8N2O2/c1-6-9(10(13)14)12-8-5-3-2-4-7(8)11-6/h2-5H,1H3,(H,13,14)
Isomeric SMILES CC1=NC2=CC=CC=C2N=C1C(=O)O
Molecular Weight 188.183
Reaxy-Rn 154374
Reaxys-RN_link_address https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=154374&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
ClassDiazanaphthalenes
SubclassBenzodiazines
Intermediate Tree Nodes Not available
Direct ParentQuinoxalines
Alternative Parents Pyrazine carboxylic acids  Benzenoids  Heteroaromatic compounds  Carboxylic acids  Azacyclic compounds  Organooxygen compounds  Organonitrogen compounds  Organic oxides  Hydrocarbon derivatives  
Molecular FrameworkAromatic heteropolycyclic compounds
Substituents Quinoxaline - Pyrazine carboxylic acid - Pyrazine carboxylic acid or derivatives - Benzenoid - Pyrazine - Heteroaromatic compound - Carboxylic acid derivative - Carboxylic acid - Azacycle - Organic nitrogen compound - Hydrocarbon derivative - Organic oxide - Organooxygen compound - Organonitrogen compound - Organic oxygen compound - Aromatic heteropolycyclic compound
DescriptionThis compound belongs to the class of organic compounds known as quinoxalines. These are compounds containing a quinoxaline moiety, a bicyclic heterocycle made up of a benzene ring fused to a pyrazine ring.
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.

3 results found

Lot NumberCertificate TypeDateItem
L2516391Certificate of AnalysisMar 30, 2024 M136765
L1522029Certificate of AnalysisMay 12, 2023 M136765
K1702151Certificate of AnalysisMay 10, 2023 M136765
Chemical and Physical Properties
SolubilitySoluble in Dichloromethane, DMSO, and Methanol.
Molecular Weight188.180 g/mol
XLogP31.500
Hydrogen Bond Donor Count1
Hydrogen Bond Acceptor Count4
Rotatable Bond Count1
Exact Mass188.059 Da
Monoisotopic Mass188.059 Da
Topological Polar Surface Area63.100 Ų
Heavy Atom Count14
Formal Charge0
Complexity232.000
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
Documents & Articles
Citations of This Product
References
1. Yiwei Tang, He Meng, Wenxiu Wang, Yang Song, Shuo Wang, Zhuanying Li, Xianghong Wang, Xuelian Hu.  (2023)  Off-line magnetic Fe3O4@SiO2@MIPs-based solid phase dispersion extraction coupling with HPLC for the simultaneous determination of olaquindox and its metabolite in fish muscle and milk samples.  Food Chemistry-X,      [PMID:36974171] [10.1016/j.fochx.2023.100611]
Solution Calculators
Reviews

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