Methyl 3-hydroxy-5-methyl-2-thiophenecarboxylate - ≥95% , CAS No.5556-22-9

CAS: 5556-22-9 Cat. No.: M193911 Molecular Weight: 172.20 EC Number: 833-072-4
AVAILABLE TO ORDER
GRADE & PURITY ≥95%
Synonyms
F0815-0001 | FS-3091 | DS-0993 | MFCD01859968 | methyl 3-hydroxy-5-methylthiophene-2-carboxylate | Z57105141 | 2-Thiophenecarboxylic acid, 3-hydroxy-5-methyl-, methyl ester | DTXSID60343167 | J-522176 | AKOS000267120 | SCHEMBL7670938 | 3-hydroxy-5-methylt
Storage
Store at 2-8°C
Shipped In
Wet ice
 ·  off list, applied to all prices below.
Size
Status
Price
Qty
50mg
M193911-50mg
3
$51.90
250mg
M193911-250mg
3
$157.90
1g
M193911-1g
1
$299.90
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 2-8°C Ships Wet ice 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
F0815-0001 | FS-3091 | DS-0993 | MFCD01859968 | methyl 3-hydroxy-5-methylthiophene-2-carboxylate | Z57105141 | 2-Thiophenecarboxylic acid, 3-hydroxy-5-methyl-, methyl ester | DTXSID60343167 | J-522176 | AKOS000267120 | SCHEMBL7670938 | 3-hydroxy-5-methylt
Specifications & Purity
≥95%
Storage
Store at 2-8°C
Shipped In
Wet ice
This product requires cold chain shipping. Ground and other economy services are not available.
Purity
≥95%
Names and Identifiers
Canonical SmilesCC1=CC(=C(S1)C(=O)OC)O
IUPAC Namemethyl 3-hydroxy-5-methylthiophene-2-carboxylate
InChIKeyPLTCMJBEOCSRII-UHFFFAOYSA-N
INCHI1S/C7H8O3S/c1-4-3-5(8)6(11-4)7(9)10-2/h3,8H,1-2H3
Isomeric SMILES CC1=CC(=C(S1)C(=O)OC)O
Molecular Weight 172.20
Reaxy-Rn 128286
Reaxys-RN_link_address https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=128286&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
ClassThiophenes
SubclassThiophene carboxylic acids and derivatives
Intermediate Tree Nodes Not available
Direct ParentThiophene carboxylic acids and derivatives
Alternative Parents 2,3,5-trisubstituted thiophenes  Vinylogous acids  Methyl esters  Heteroaromatic compounds  Organooxygen compounds  Organic oxides  Hydrocarbon derivatives  
Molecular FrameworkAromatic heteromonocyclic compounds
Substituents 2,3,5-trisubstituted thiophene - Thiophene carboxylic acid or derivatives - Heteroaromatic compound - Vinylogous acid - Methyl ester - Carboxylic acid ester - Carboxylic acid derivative - Organic oxygen compound - Organic oxide - Hydrocarbon derivative - Organooxygen compound - Aromatic heteromonocyclic compound
DescriptionThis compound belongs to the class of organic compounds known as thiophene carboxylic acids and derivatives. These are compounds containing a thiophene ring which bears a carboxylic acid group (or a salt/ester thereof).
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
K2510401Certificate of AnalysisSep 02, 2025 M193911
K2510406Certificate of AnalysisSep 02, 2025 M193911
K2510407Certificate of AnalysisSep 02, 2025 M193911
Chemical and Physical Properties
Molecular Weight172.200 g/mol
XLogP32.400
Hydrogen Bond Donor Count1
Hydrogen Bond Acceptor Count4
Rotatable Bond Count2
Exact Mass172.019 Da
Monoisotopic Mass172.019 Da
Topological Polar Surface Area74.800 Ų
Heavy Atom Count11
Formal Charge0
Complexity160.000
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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