5-Chlorosalicylaldehyde - ≥98% , CAS No.635-93-8

CAS: 635-93-8 Cat. No.: C109465 Molecular Weight: 156.57 Beilstein Registry Number: 8(2)45 EC Number: 211-244-4
AVAILABLE TO ORDER
GRADE & PURITY ≥98%
Synonyms
5-Chloro-2-hydroxybenzaldehyde | 5-Chloro2-Hydroxybenzaldehyde | BDBM111028 | 4GCC8ZKM3O | F2191-0153 | Q27259564 | 5-Chlorosalicyaldehyde | STR01596 | 5-chloro-2-hydroxy benzaldehyde | STK199255 | NCGC00340461-01 | 3-chloro-6-hydroxybenzaldehyde | Benzal
Storage
Room temperature,Argon charged
Shipped In
Normal
 ·  off list, applied to all prices below.
Size
Status
Price
Qty
5g
C109465-5g
6
$9.90
25g
C109465-25g
2
$14.90
100g
C109465-100g
5
$49.90
500g
C109465-500g
1
$139.90
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

Room temperature,Argon charged Ships Normal Check lot-specific COA for exact specifications.

📋

Quality documents

SDS, COA, datasheet, and spec sheet available for download. Lot-specific COA accessible via lot number lookup.

📚

Literature proof

Cited in 12 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Overview

5-Chlorosalicyaldehyde is a useful synthetic intermediate and a key precursor to a variety chelating agents. 5-Chlorosalicyaldehyde is used to synthesize imine resveratrol derivatives.
A useful synthetic intermediate

Specifications

Synonyms
5-Chloro-2-hydroxybenzaldehyde | 5-Chloro2-Hydroxybenzaldehyde | BDBM111028 | 4GCC8ZKM3O | F2191-0153 | Q27259564 | 5-Chlorosalicyaldehyde | STR01596 | 5-chloro-2-hydroxy benzaldehyde | STK199255 | NCGC00340461-01 | 3-chloro-6-hydroxybenzaldehyde | Benzal
Specifications & Purity
≥98%
Storage
Room temperature, Argon charged
Shipped In
Normal
Purity
≥98%
Names and Identifiers
Pubchem Sid504752353
Pubchem Sid Urlhttps://pubchem.ncbi.nlm.nih.gov/substance/504752353
Canonical SmilesC1=CC(=C(C=C1Cl)C=O)O
IUPAC Name5-chloro-2-hydroxybenzaldehyde
InChIKeyFUGKCSRLAQKUHG-UHFFFAOYSA-N
INCHI1S/C7H5ClO2/c8-6-1-2-7(10)5(3-6)4-9/h1-4,10H
Isomeric SMILES C1=CC(=C(C=C1Cl)C=O)O
WGK Germany 3
RTECS VN5450000
Molecular Weight 156.57
Beilstein 8(2)45
Reaxy-Rn 636632
Reaxys-RN_link_address https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=636632&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
SuperclassOrganic oxygen compounds
ClassOrganooxygen compounds
SubclassCarbonyl compounds
Intermediate Tree Nodes Aldehydes - Aryl-aldehydes - Benzaldehydes
Direct ParentHydroxybenzaldehydes
Alternative Parents P-chlorophenols  Benzoyl derivatives  Chlorobenzenes  1-hydroxy-2-unsubstituted benzenoids  Aryl chlorides  Vinylogous acids  Organochlorides  Organic oxides  Hydrocarbon derivatives  
Molecular FrameworkAromatic homomonocyclic compounds
Substituents Hydroxybenzaldehyde - 4-chlorophenol - Benzoyl - 4-halophenol - 1-hydroxy-2-unsubstituted benzenoid - Phenol - Chlorobenzene - Halobenzene - Aryl chloride - Aryl halide - Monocyclic benzene moiety - Benzenoid - Vinylogous acid - Organochloride - Hydrocarbon derivative - Organic oxide - Organohalogen compound - 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





Mechanisms of Action
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.

17 results found

Lot NumberCertificate TypeDateItem
D2623110Certificate of AnalysisMar 19, 2026 C109465
D2623109Certificate of AnalysisMar 19, 2026 C109465
D2623106Certificate of AnalysisMar 19, 2026 C109465
D2623107Certificate of AnalysisMar 19, 2026 C109465
D2623108Certificate of AnalysisMar 19, 2026 C109465
D2407067Certificate of AnalysisJan 19, 2026 C109465
C2222163Certificate of AnalysisSep 16, 2025 C109465
C2222485Certificate of AnalysisSep 16, 2025 C109465
C2222534Certificate of AnalysisSep 16, 2025 C109465
C2222592Certificate of AnalysisSep 16, 2025 C109465
C2011153Certificate of AnalysisJun 16, 2025 C109465
F23051234Certificate of AnalysisMar 04, 2025 C109465
F2305966Certificate of AnalysisMar 04, 2025 C109465
F2122058Certificate of AnalysisMar 16, 2023 C109465
A1909032Certificate of AnalysisSep 09, 2022 C109465
C2306545Certificate of AnalysisFeb 19, 2022 C109465
L2420063Certificate of AnalysisFeb 19, 2022 C109465

Show more ⌵

Chemical and Physical Properties
SensitivityAir Sensitive
Melt Point(°C)102-103°C
Molecular Weight156.560 g/mol
XLogP32.400
Hydrogen Bond Donor Count1
Hydrogen Bond Acceptor Count2
Rotatable Bond Count1
Exact Mass155.998 Da
Monoisotopic Mass155.998 Da
Topological Polar Surface Area37.300 Ų
Heavy Atom Count10
Formal Charge0
Complexity127.000
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. Jing Hu, Yun Luo, Min Hou, Jia Jia Qi, Li Li Liang, Wen Ge Li.  (2022)  Synthesis, structure, and anticancer studies of Cu (II) and Ni (II) complexes based on (5-chlorosalicylaldehyde)-4-aminoantipyrine Schiff base.  APPLIED ORGANOMETALLIC CHEMISTRY,  36  (10): (e6833).  [PMID:] [10.1002/aoc.6833]
2. Li-Hua Du, Meng-Jie Yang, Yue Pan, Ling-Yan Zheng, Shi-Yi Zhang, Zhi-Kai Sheng, Ping-Feng Chen, Xi-Ping Luo.  (2022)  Continuous Flow Biocatalysis: Synthesis of Coumarin Carboxamide Derivatives by Lipase TL IM from Thermomyces lanuginosus.  Catalysts,  12  (3): (339).  [PMID:] [10.3390/catal12030339]
3. Ruiying Wang, Jianjia Wang, Huimin Zi, Yongmei Xia, Haijun Wang, Xiang Liu.  (2017)  Catalytic transfer hydrogenation of ethyl levulinate to γ-valerolactone over zirconium (IV) Schiff base complexes on mesoporous silica with isopropanol as hydrogen source.  Molecular Catalysis,      [PMID:] [10.1016/j.mcat.2017.07.026]
4. Xin Wu, Xiaojuan Gong, Wenjuan Dong, Jun Ma, Jianbin Chao, Chenzhong Li, Li Wang, Chuan Dong.  (2016)  A novel fluorescein-based colorimetric probe for Cu2+ detection.  RSC Advances,  (64): (59677-59683).  [PMID:] [10.1039/C6RA07236D]
5. Yanfang Wang, Zhen Gu, Wentao Liu, Yuan Yao, Haijun Wang, Xiao-Feng Xia, Wei Li.  (2015)  Conversion of glucose into 5-hydroxymethylfurfural catalyzed by chromium(III) Schiff base complexes and acidic ionic liquids immobilized on mesoporous silica.  RSC Advances,  (75): (60736-60744).  [PMID:] [10.1039/C5RA08080K]
6. Yan Bao, Lu Gao, Pei Han, Feng Liu, Junbing Zhou, Wenbo Zhang.  (2024)  Multi-color photochromic waterborne polyurethane with high color fastness from hydroxyl-functionalized trichromatic spiropyrans.  DYES AND PIGMENTS,      [PMID:] [10.1016/j.dyepig.2024.112577]
7. Rui Yang, Qian Chen, Weichen Sheng, Kan Zhang.  (2024)  Oxazine Ring-Containing Polycyclic Monomers: A Class of Benzoxazine Thermosetting Resins with Intrinsically Low Curing Temperature.  MACROMOLECULES,      [PMID:] [10.1021/acs.macromol.4c00829]
8. Shengfeng Ye, Wenjing Zhang, Zhaolan Zhai, Shibin Shang, Lixin Huang, He Liu, Zhanqian Song, Jianxin Jiang.  (2025)  Rosin-based amphiphilic AIEgens with visualized solid-state molecular motion for injectable and thermostable supramolecular fluorescent hydrogels.  CHEMICAL ENGINEERING JOURNAL,      [PMID:] [10.1016/j.cej.2024.159191]
9. Hou Cong Li, Ming Zhu Wang, Ye Fan Zheng, Ning An, Min Hou, Jing Hu, Wen Ge Li.  (2025)  Synthesis, crystal structures, and anticancer studies of Ni(II), Co(III), and Zn(II) complexes derived from chlorinated-2-(2-aminophenyl)-1H-benzimidazole Schiff base.  JOURNAL OF COORDINATION CHEMISTRY,      [PMID:] [10.1080/00958972.2025.2456700]
10. Hao Ai, Qiushuo Li, Qiong Xu, Xiangying Li, Degen Li, Qiong Wu.  (2025)  Halogen substitution for fine-tuning the energy gap and intermolecular interactions of dinuclear iron(III) half schiff base complexes: experimental and theoretical investigation.  JOURNAL OF MOLECULAR STRUCTURE,      [PMID:] [10.1016/j.molstruc.2025.143508]
11. Chang Man, Chunpeng Xu, Jinfeng Wang, Xiangli Li, Tong Li, Yanhua Ma, Shalu Zhang, Yongfeng Qiao, Qiong Wu.  (2025)  Mechanistic study on the photocatalytic degradation of rhodamine B via Mn–Schiff-base-modified Keggin-type polyoxometalate composite materials.  RSC Advances,  15  (16): (12364-12371).  [PMID:40248233] [10.1039/D4RA08382B]
12. Zaixiang Zhang, Xin Li, Yang Yang, Deyin Wang, Ying Song, Feng Feng.  (2025)  The Polymorphism of Salicylideneanilines Derivatives with Different Halo-substitution.  JOURNAL OF MOLECULAR STRUCTURE,      [PMID:] [10.1016/j.molstruc.2025.143972]
Solution Calculators
Reviews

Customer Reviews

Shall we send you a message when we have discounts available?

Remind me later

Thank you! Please check your email inbox to confirm.

Oops! Notifications are disabled.