2-Hydroxy-4-methylbenzaldehyde - ≥98%(GC) , CAS No.698-27-1

CAS: 698-27-1 Cat. No.: H124155 Molecular Weight: 136.15 EC Number: 211-813-7
AVAILABLE TO ORDER
GRADE & PURITY ≥98%(GC)
Synonyms
2,4-Cresotaldehyde | FEMA No. 3697 | AM84040 | Q15634117 | 4-Methylsalicyclic aldehyde | CL8286 | Z1203159482 | 2-Hydroxy-4-methylbenzenecarboxaldehyde | Homosalicylaldehyde, m- | SCHEMBL225766 | DTXSID2074407 | UNII-9N0S26G61J | DS-11894 | EINECS 211-813
Storage
Argon charged,Room temperature
Shipped In
Normal
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Size
Status
Price
Qty
200mg
H124155-200mg
1
$9.90
1g
H124155-1g
3
$10.90
5g
H124155-5g
2

$13.90

$20.90
Save $7.00 (33.49%)
10g
H124155-10g
8-12 wks(?) Production requires sourcing of materials. We appreciate your patience and understanding.

$23.90

$35.90
Save $12.00 (33.43%)
25g
H124155-25g
2

$53.90

$80.90
Save $27.00 (33.37%)
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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

Argon charged,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 3 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Specifications

Synonyms
2, 4-Cresotaldehyde | FEMA No. 3697 | AM84040 | Q15634117 | 4-Methylsalicyclic aldehyde | CL8286 | Z1203159482 | 2-Hydroxy-4-methylbenzenecarboxaldehyde | Homosalicylaldehyde, m- | SCHEMBL225766 | DTXSID2074407 | UNII-9N0S26G61J | DS-11894 | EINECS 211-813
Specifications & Purity
≥98%(GC)
Storage
Argon charged, Room temperature
Shipped In
Normal
Purity
≥98%(GC)
Names and Identifiers
Pubchem Sid504753750
Pubchem Sid Urlhttps://pubchem.ncbi.nlm.nih.gov/substance/504753750
Canonical SmilesCC1=CC(=C(C=C1)C=O)O
IUPAC Name2-hydroxy-4-methylbenzaldehyde
InChIKeyJODRRPJMQDFCBJ-UHFFFAOYSA-N
INCHI1S/C8H8O2/c1-6-2-3-7(5-9)8(10)4-6/h2-5,10H,1H3
Isomeric SMILES CC1=CC(=C(C=C1)C=O)O
WGK Germany 3
Molecular Weight 136.15
Reaxy-Rn 2040674
Reaxys-RN_link_address https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=2040674&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.

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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.

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Advanced Data

Taxonomic Classification

Taxonomy Tree

KingdomOrganic compounds
SuperclassOrganic oxygen compounds
ClassOrganooxygen compounds
SubclassCarbonyl compounds
Intermediate Tree Nodes Aldehydes - Aryl-aldehydes - Benzaldehydes
Direct ParentHydroxybenzaldehydes
Alternative Parents Meta cresols  Benzoyl derivatives  Toluenes  1-hydroxy-4-unsubstituted benzenoids  1-hydroxy-2-unsubstituted benzenoids  Vinylogous acids  Organic oxides  Hydrocarbon derivatives  
Molecular FrameworkAromatic homomonocyclic compounds
Substituents Hydroxybenzaldehyde - M-cresol - Benzoyl - 1-hydroxy-4-unsubstituted benzenoid - 1-hydroxy-2-unsubstituted benzenoid - Toluene - Phenol - Benzenoid - Monocyclic benzene moiety - Vinylogous acid - Organic oxide - Hydrocarbon derivative - Aromatic homomonocyclic compound
DescriptionThis compound belongs to the class of organic compounds known as hydroxybenzaldehydes. These are organic aromatic compounds containing a benzene ring carrying an aldehyde group and a hydroxyl group.
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
G1804121Certificate of AnalysisFeb 05, 2026 H124155
G1804120Certificate of AnalysisFeb 05, 2026 H124155
B2225412Certificate of AnalysisDec 12, 2025 H124155
B2225430Certificate of AnalysisDec 12, 2025 H124155
K2407519Certificate of AnalysisJul 05, 2024 H124155
K2407520Certificate of AnalysisJul 05, 2024 H124155
K2407521Certificate of AnalysisJul 05, 2024 H124155
K2407522Certificate of AnalysisJul 05, 2024 H124155
G1931149Certificate of AnalysisMay 06, 2023 H124155
Chemical and Physical Properties
SolubilitySoluble in Methanol
SensitivityAir Sensitive
Boil Point(°C)223°C
Melt Point(°C)60.0-64.0°C
Molecular Weight136.150 g/mol
XLogP31.700
Hydrogen Bond Donor Count1
Hydrogen Bond Acceptor Count2
Rotatable Bond Count1
Exact Mass136.052 Da
Monoisotopic Mass136.052 Da
Topological Polar Surface Area37.300 Ų
Heavy Atom Count10
Formal Charge0
Complexity122.000
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. Liduo Chen, Jinyan Tan, Tianyu Lan, Hongliang Huo, Liyuan Sun, Yan Jiang, Na Zhang, Cuiqin Li, Jun Wang.  (2023)  Effect of Ligand Structure on Ethylene Oligomerization over Salicylaldehyde Imine Nickel Complexes: Experiments and Calculations.  APPLIED ORGANOMETALLIC CHEMISTRY,  37  (12): (e7276).  [PMID:] [10.1002/aoc.7276]
2. Long Yu, Ruoxuan Guo, Yaru Yuan, Pengchen Su, Xin Li, Yuejie Ai, Mingtai Sun, Xiangke Wang, Dejian Huang, Suhua Wang.  (2022)  Methyl position affect the fluorescence performance of HBT derivatives for the detection of hypochlorite under alkaline condition.  SPECTROCHIMICA ACTA PART A-MOLECULAR AND BIOMOLECULAR SPECTROSCOPY,      [PMID:35797952] [10.1016/j.saa.2022.121583]
3. Zhichao Zeng, Ruiyue Ma, Chun Liu, Yongqian Xu, Hongjuan Li, Fengyu Liu, Shiguo Sun.  (2017)  A crab-like fluorescent probe for Ga(III) detection in body fluids and biological tissues.  SENSORS AND ACTUATORS B-CHEMICAL,      [PMID:] [10.1016/j.snb.2017.04.179]
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