Indole-3-carboxaldehyde - ≥97% , CAS No.487-89-8

CAS: 487-89-8 Cat. No.: I106884 Molecular Weight: 145.16 Beilstein Registry Number: 21313 EC Number: 207-665-8
AVAILABLE TO ORDER
GRADE & PURITY ≥97%
Synonyms
indole 3-carboxaldehyde | 1H-indole-3-aldehyde | CU-00000000108-1 | I0027 | AB00443651-03 | A-Indolylaldehyde | Q27103575 | .beta.-Indolylaldehyde | AM1029 | C08493 | CHEBI:28238 | Indol-3-carbaldehyd | AC-23425 | AG-205/01412034 | 3-Formylindol | A7354 |
Storage
Argon charged,Room temperature
Shipped In
Normal
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Size
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5g
I106884-5g
9
$9.90
10g
I106884-10g
1
$10.90
25g
I106884-25g
4

$11.90

$17.90
Save $6.00 (33.52%)
100g
I106884-100g
3

$20.90

$31.90
Save $11.00 (34.48%)
500g
I106884-500g
1

$86.90

$130.90
Save $44.00 (33.61%)
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Why this grade

≥97% 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 20 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Specifications

Synonyms
indole 3-carboxaldehyde | 1H-indole-3-aldehyde | CU-00000000108-1 | I0027 | AB00443651-03 | A-Indolylaldehyde | Q27103575 | .beta.-Indolylaldehyde | AM1029 | C08493 | CHEBI:28238 | Indol-3-carbaldehyd | AC-23425 | AG-205/01412034 | 3-Formylindol | A7354 |
Specifications & Purity
≥97%
Storage
Argon charged, Room temperature
Shipped In
Normal
Purity
≥97%
Names and Identifiers
Pubchem Sid488181098
Pubchem Sid Urlhttps://pubchem.ncbi.nlm.nih.gov/substance/488181098
Canonical SmilesC1=CC=C2C(=C1)C(=CN2)C=O
IUPAC Name1H-indole-3-carbaldehyde
InChIKeyOLNJUISKUQQNIM-UHFFFAOYSA-N
INCHI1S/C9H7NO/c11-6-7-5-10-9-4-2-1-3-8(7)9/h1-6,10H
Isomeric SMILES C1=CC=C2C(=C1)C(=CN2)C=O
WGK Germany 3
RTECS NL5993600
Molecular Weight 145.16
Beilstein 21313
Reaxy-Rn 114117
Reaxys-RN_link_address https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=114117&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.

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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
SuperclassOrganoheterocyclic compounds
ClassIndoles and derivatives
SubclassIndoles
Intermediate Tree Nodes Not available
Direct ParentIndoles
Alternative Parents Aryl-aldehydes  Substituted pyrroles  Benzenoids  Vinylogous amides  Heteroaromatic compounds  Azacyclic compounds  Organopnictogen compounds  Organonitrogen compounds  Organic oxides  Hydrocarbon derivatives  
Molecular FrameworkAromatic heteropolycyclic compounds
Substituents Indole - Aryl-aldehyde - Substituted pyrrole - Benzenoid - Pyrrole - Heteroaromatic compound - Vinylogous amide - Azacycle - Aldehyde - Hydrocarbon derivative - Organic oxide - Organopnictogen compound - Organic oxygen compound - Organooxygen compound - Organonitrogen compound - Organic nitrogen compound - Aromatic heteropolycyclic compound
DescriptionThis compound belongs to the class of organic compounds known as indoles. These are compounds containing an indole moiety, which consists of pyrrole ring fused to benzene to form 2,3-benzopyrrole.
External Descriptors an indole-phytolexin
3D Structure
Interactive Chemical Structure Model





Associated Targets(Human)
DHFR Tclin Dihydrofolate reductase (3072 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
IMPDH2 Tclin Inosine-5'-monophosphate dehydrogenase 2 (1326 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
TYR Tclin Tyrosinase (717 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
ALOX15 Tchem Arachidonate 15-lipoxygenase (7108 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
CYP2A6 Tchem Cytochrome P450 2A6 (2861 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
BGC-823 (3035 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
HCT-8 (3484 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
MCF7 (126967 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
A549 (127892 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Bel-7402 (4577 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
HeLa (62764 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
MDA-MB-231 (73002 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
KETR3 (279 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
NR4A2 Tchem Nuclear receptor subfamily 4 group A member 2 (460 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
HeLa S3 (477 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Associated Targets(non-human)
Pseudomonas aeruginosa (123386 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Klebsiella pneumoniae (43867 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Staphylococcus aureus (210822 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Acinetobacter baumannii (41033 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Escherichia coli (133304 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Phytophthora infestans (820 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Phytophthora capsici (336 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Rhizomucor miehei (120 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Penicillium chrysogenum (1593 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Cryptococcus neoformans (21258 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Candida albicans (78123 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Meloidogyne incognita (862 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Mus musculus (284745 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Human alphaherpesvirus 1 (11089 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Human immunodeficiency virus 1 (70413 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Paecilomyces variotii (130 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
L5178Y (1809 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
PTR1 Pteridine reductase 1 (345 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
TUBB2B Tubulin (2175 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Cryphonectria parasitica (24 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
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.

26 results found

Lot NumberCertificate TypeDateItem
L2206633Certificate of AnalysisJun 09, 2026 I106884
L2206631Certificate of AnalysisJun 09, 2026 I106884
L2206630Certificate of AnalysisJun 09, 2026 I106884
I2516024Certificate of AnalysisSep 23, 2025 I106884
K2521037Certificate of AnalysisSep 16, 2025 I106884
I2511004Certificate of AnalysisSep 16, 2025 I106884
L2206654Certificate of AnalysisApr 18, 2025 I106884
B2518028Certificate of AnalysisFeb 21, 2025 I106884
L2206657Certificate of AnalysisFeb 17, 2025 I106884
L2206634Certificate of AnalysisSep 13, 2024 I106884
L2206655Certificate of AnalysisSep 13, 2024 I106884
K2408434Certificate of AnalysisJul 01, 2024 I106884
K2408435Certificate of AnalysisJul 01, 2024 I106884
K2408436Certificate of AnalysisJul 01, 2024 I106884
I2102246Certificate of AnalysisJun 06, 2023 I106884
I2102244Certificate of AnalysisJun 06, 2023 I106884
I2102243Certificate of AnalysisJun 06, 2023 I106884
J2422046Certificate of AnalysisJun 06, 2023 I106884
I2102245Certificate of AnalysisJun 06, 2023 I106884
F2124234Certificate of AnalysisMar 16, 2023 I106884
F2124235Certificate of AnalysisMar 16, 2023 I106884
G2311057Certificate of AnalysisNov 22, 2022 I106884
L2206656Certificate of AnalysisNov 22, 2022 I106884
C2405062Certificate of AnalysisNov 22, 2022 I106884
G2021117Certificate of AnalysisMay 07, 2022 I106884
A2316033Certificate of AnalysisJul 10, 2021 I106884

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Chemical and Physical Properties
SolubilityInsoluble in water.
SensitivityAir sensitive
Flash Point(°C)240℃
Melt Point(°C)193-198°C
Molecular Weight145.160 g/mol
XLogP31.700
Hydrogen Bond Donor Count1
Hydrogen Bond Acceptor Count1
Rotatable Bond Count1
Exact Mass145.053 Da
Monoisotopic Mass145.053 Da
Topological Polar Surface Area32.900 Ų
Heavy Atom Count11
Formal Charge0
Complexity158.000
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. Haiyan Zhao, Hongfu He, Zhongjie Shen, Chunle Wei, Limin Yin, Yunying Zhu, Hongxia Lu, Runjiang Song, Deyu Hu.  (2023)  Development and Mechanism Investigation of Novel Thioacetalized Indoles as Antiphytoviral Agents.  JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY,      [PMID:37937740] [10.1021/acs.jafc.3c03967]
2. Lingling Ma, Lv Li, Minghao Yuan, Lei Bai, Anran Zhang, Xiaoming Yan, Gaohong He, Fengxiang Zhang.  (2022)  Hydrophilic–Hydrophobic Bulky Units Modified Anion Exchange Membranes for Fuel Cell Application.  ACS Sustainable Chemistry & Engineering,      [PMID:] [10.1021/acssuschemeng.1c07886]
3. Xiang He, Ruyue Liu, Huiqing Liu, Ruixiao Wang, Zhenhao Xi, Yixiang Lin, Jie Wang.  (2021)  Facile Preparation of Tunicate-Inspired Chitosan Hydrogel Adhesive with Self-Healing and Antibacterial Properties.  Polymers,  13  (24): (4322).  [PMID:34960874] [10.3390/polym13244322]
4. Jia Yin, Yujie Song, Yaozhong Hu, Yuanyifei Wang, Bowei Zhang, Jin Wang, Xuemeng Ji, Shuo Wang.  (2021)  Dose-Dependent Beneficial Effects of Tryptophan and Its Derived Metabolites on Akkermansia In Vitro: A Preliminary Prospective Study.  Microorganisms,  (7): (1511).  [PMID:34361945] [10.3390/microorganisms9071511]
5. Xiaona Zhang, Liang Sun, Wei Zheng, Xichang Bao, Ning Wang, Ting Wang, Renqiang Yang.  (2013)  The preparation and properties of bulk-heterojunction organic solar cells with indole-containing fulleropyrrolidine derivatives as acceptors.  TETRAHEDRON,      [PMID:] [10.1016/j.tet.2013.09.046]
6. Yewei Xu, Haoran Zhu, Shijie Mo, Yangqing Mao, Chi Zhong, Ying Huang, Rui Yuan, Min Zheng, Mingru Zhou, Guanjun Chang.  (2024)  Adsorption of 2,4,6-trinitrotoluene by indole-based porous organic polymer with suitable three-dimensional space size via physisorption and chemisorption.  POLYMER,      [PMID:] [10.1016/j.polymer.2024.126993]
7. Han Ziyi, Fu Jian, Gong Aiyan, Ren Wenkai.  (2025)  Bacterial indole-3-propionic acid inhibits macrophage IL-1β production through targeting methionine metabolism.  Science China-Life Sciences,      [PMID:39825207] [10.1007/s11427-024-2789-1]
8. Zhang Junzhi, Lin Binyan, Zhang Ying, Hu Xiaochao, Liu Tongtong, Liu E-Hu, Liu Shijia.  (2024)  Baitouweng decoction alleviates ulcerative colitis by regulating tryptophan metabolism through DOPA decarboxylase promotion.  Frontiers in Pharmacology,      [PMID:38974042] [10.3389/fphar.2024.1423307]
9. Susu Zhao, Lixin Sun, Yibo Liu, Chuanhui Gao, Li Ding, Ze Kan, Yuetao Liu.  (2025)  Cation-indole supramolecular interaction constructed novel silicone anti-fouling materials.  CHEMICAL ENGINEERING JOURNAL,      [PMID:] [10.1016/j.cej.2025.159423]
10. Mengshi Xiao, Jiayuan Bi, Xinmiao Ren, Xiaodan Fu, Dongyu Li, Rong Li, Haijin Mou.  (2024)  Evaluation of potential prebiotic activity of a novel fucose-containing trisaccharide prepared from bacterial exopolysaccharides.  Food Bioscience,      [PMID:] [10.1016/j.fbio.2024.104380]
11. Jia Cheng Qian, Heng Peng Zhang, Yi Wang, Dan Liu.  (2024)  Heating conversion of indole-3-carbinol into N-substituted oligomers with anti-melanoma effect.  Food Chemistry-X,      [PMID:38707780] [10.1016/j.fochx.2024.101410]
12. Yufei Deng, Xiaoying Hou, Qian Fang, Haiping Wang, Xiaoxuan Li, Zhiyong Hu, Zhaolu Liu, Limei Fan, Yunyi Liu, Zhengqi Fu, Xiji Shu, Binlian Sun, Lijun Huang, Yuchen Liu.  (2025)  High-salt diet decreases FOLFOX efficacy via gut bacterial tryptophan metabolism in colorectal cancer.  MOLECULAR MEDICINE,      [PMID:39972411] [10.1186/s10020-025-01122-8]
13. Yvhao Xie, Xinxin Li, Qingshi Meng, Jinjun Li, Xin Wang, Liying Zhu, Weiwei Wang, Xiaoqiong Li.  (2024)  Interplay between gut microbiota and tryptophan metabolism in type 2 diabetic mice treated with metformin.  Microbiology Spectrum,      [PMID:39162538] [10.1128/spectrum.00291-24]
14. Yating Xu, Li Ning, Yu Si, Xiu Li, Ruyue Wang, Qingling Ren.  (2025)  Metformin-mediated intestinal AMPK activation ameliorates PCOS through gut microbiota modulation and metabolic pathways.  Frontiers in Endocrinology,      [PMID:40041289] [10.3389/fendo.2025.1526109]
15. Xiaomeng Chu, Zeqiang Liu, He Gao, Kang Geng, Shaojie Liu, Xuteng Xing, Erjun Tang, Nanwen Li, Song Zhao.  (2024)  Promising candidates of ether-free backbone comb-shaped sulfonated poly(oxindole biphenylene) membranes for enhanced electrochemical hydrogen compression performance.  JOURNAL OF MEMBRANE SCIENCE,      [PMID:] [10.1016/j.memsci.2024.122626]
16. Yue Zhu, Yuting Ai, Jianfu Zhou, Xiaozhuan Jia, Shuying Liu, Bo Zhu, Yimin Qin, Jianping Jiang, Zhenzhong Yang.  (2025)  Unveiling bioactive components in Sargassum fusiforme via phytochemical and biological evaluation: A heterogeneous information ensemble approach.  Chinese Herbal Medicines,      [PMID:41399786] [10.1016/j.chmed.2025.08.002]
17. Yongqi Tian, Yuanyuan Chen, Ruyang Huang, Tao Wang, Shaoyun Wang.  (2025)  Synergistic inhibition of Pseudomonas aeruginosa by EGCG and I3A: preliminary mechanisms and application in fish meat preservation.  INTERNATIONAL JOURNAL OF FOOD MICROBIOLOGY,      [PMID:40239291] [10.1016/j.ijfoodmicro.2025.111193]
18. Lei Zhang, Yi Wang, Yan Guo, Xi-Yuan Feng, Xiu-Li Wang, Lin Chen, Yu-Zhong Wang.  (2025)  Smart Crosslinkable Aromatic-Imine Enables Integrated Heat-Resistance, Flame Retardancy, Smoke Suppression and Non-Dripping for Polyester.  POLYMER DEGRADATION AND STABILITY,      [PMID:] [10.1016/j.polymdegradstab.2025.111747]
19. Xin Li, Jiaxian Li, Shiming jia, Guoying Wang.  (2025)  High-efficiency in situ detection of atmospheric isoprene peroxyl radicals by furan-based fluorescent probe.  ATMOSPHERIC ENVIRONMENT,      [PMID:] [10.1016/j.atmosenv.2025.121739]
20. Yang Shuai, Song Jiawei, Wang Zhenzhen, Peng Guang, Tong Linglin, Li Xin, Yang Kexin, Chen Yang, Zhang He, Zhang Qing, Chen Renjin.  (2026)  eIF6 deficiency alleviates colorectal cancer by modulating the gut microbiota and related metabolites.  CELL DEATH AND DIFFERENTIATION,      [PMID:41620567] [10.1038/s41418-026-01674-0]
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