3,4-Dihydroxybenzaldehyde - analytical standard, ≥99% , CAS No.139-85-5

CAS: 139-85-5 Cat. No.: D108636 Formula: C7H6O3 Molecular Weight: 138.12 Beilstein Registry Number: 774381 EC Number: 205-377-7
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GRADE & PURITY Analytical standard ? Analytical standard — certified-purity material for quantitative calibration. Use to prepare calibration standards and validate analytical methods. ≥99%
Synonyms
3,4-DHBAOP | 4,5-Dihydroxybenzaldehyde | NCGC00180319-01 | MEGxm0_000158 | PS-5533 | ACon1_001620 | UNII-4PVP2HCH4T | BCP00880 | EN300-17568 | STL146017 | Z56957508 | catechaldehyde | MFCD00003370 | s3952 | D-3480 | Q411602 | PROTOCATECHUALDEHYDE [MI] | 3
Storage
Protected from light,Argon charged,Desiccated,Room temperature
Shipped In
Normal
★
Size
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Germany (EU)*
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Qty
250mg
D108636-250mg
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500mg
D108636-500mg
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1g
D108636-1g
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5g
D108636-5g
2 In stock
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$529.90

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Why this grade

analytical standard, ≥99% Analytical standard for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

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Storage & shipping

Protected from light,Argon charged,Desiccated,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 93 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Specifications

Synonyms
3,4-DHBAOP | 4,5-Dihydroxybenzaldehyde | NCGC00180319-01 | MEGxm0_000158 | PS-5533 | ACon1_001620 | UNII-4PVP2HCH4T | BCP00880 | EN300-17568 | STL146017 | Z56957508 | catechaldehyde | MFCD00003370 | s3952 | D-3480 | Q411602 | PROTOCATECHUALDEHYDE [MI] | 3
Specifications & Purity
analytical standard, ≥99%
Storage
Protected from light,Argon charged,Desiccated,Room temperature
Shipped In
Normal
Grade
Analytical standard
Purity
≥99%
Names and Identifiers
Pubchem Sid
Canonical Smiles
C1=CC(=C(C=C1C=O)O)O
IUPAC Name
3,4-dihydroxybenzaldehyde
InChIKey
IBGBGRVKPALMCQ-UHFFFAOYSA-N
INCHI
1S/C7H6O3/c8-4-5-1-2-6(9)7(10)3-5/h1-4,9-10H
Isomeric SMILES
C1=CC(=C(C=C1C=O)O)O
WGK Germany
3
RTECS
UL0380000
Molecular Weight
138.12
Beilstein
774381
Reaxy-Rn
774381
Reaxys-RN_link_address
https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=774381&ln=

Documentation

📋 Safety Data Sheet (SDS)

Comprehensive hazard, handling, storage, and regulatory compliance document.

<<<<<<< HEAD Download SDS → ======= Download SDS → >>>>>>> release248-p3

✅ 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 Catechols  Benzoyl derivatives  1-hydroxy-4-unsubstituted benzenoids  1-hydroxy-2-unsubstituted benzenoids  Organic oxides  Hydrocarbon derivatives  
Molecular FrameworkAromatic homomonocyclic compounds
Substituents Hydroxybenzaldehyde - Catechol - Benzoyl - 1-hydroxy-4-unsubstituted benzenoid - 1-hydroxy-2-unsubstituted benzenoid - Phenol - Benzenoid - Monocyclic benzene moiety - 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 an aryl aldehyde
3D Structure
Interactive Chemical Structure Model





Associated Targets(Human)
TYR Tclin Tyrosinase (717 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
PTGS2 Tclin Cyclooxygenase-2 (13999 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
MPO Tchem Myeloperoxidase (1002 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
DLD-1 (17511 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
K562 (73714 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
N9 (414 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
A549 (127892 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
T47D (39041 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
HCT-116 (91556 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
WiDr (1835 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
KB (17409 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
HeLa (62764 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
SIRT1 Tchem NAD-dependent deacetylase sirtuin 1 (3505 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
SW1573 (1008 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
POLI Tchem DNA polymerase iota (116820 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
KDM4A Tchem Lysine-specific demethylase 4A (52245 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
EHMT2 Tchem Histone-lysine N-methyltransferase, H3 lysine-9 specific 3 (93046 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
KDM4E Tchem Lysine-specific demethylase 4D-like (40243 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
RAB9A Tbio Ras-related protein Rab-9A (22488 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
microRNA 21 (64692 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
BAZ2B Tchem Bromodomain adjacent to zinc finger domain protein 2B (56204 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
GLS Tchem Glutaminase kidney isoform, mitochondrial (16997 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Associated Targets(non-human)
Ptpn1 Protein-tyrosine phosphatase 1B (270 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Plasmodium falciparum (966862 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Meloidogyne incognita (862 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Hepatitis B virus (7925 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
BV-2 (3710 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
rep Replicase polyprotein 1ab (378 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
fba Putative fructose-1,6-bisphosphate aldolase (15559 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
ffp 4'-phosphopantetheinyl transferase ffp (24982 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Collagen (21 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.

7 results found

Lot NumberCertificate TypeDateItem
E2323380E2323380Certificate of AnalysisOct 13, 2026 D108636
E2323383E2323383Certificate of AnalysisOct 13, 2026 D108636
E2323822E2323822Certificate of AnalysisOct 13, 2026 D108636
A2122262A2122262Certificate of AnalysisAug 15, 2024 D108636
C2215471C2215471Certificate of AnalysisDec 11, 2023 D108636
C2215528C2215528Certificate of AnalysisDec 11, 2023 D108636
C2215485C2215485Certificate of AnalysisMar 24, 2022 D108636
Chemical and Physical Properties
SensitivityLight sensitive.
Melt Point(°C)153-154°C
Molecular Weight138.120 g/mol
XLogP31.300
Hydrogen Bond Donor Count2
Hydrogen Bond Acceptor Count3
Rotatable Bond Count1
Exact Mass138.032 Da
Monoisotopic Mass138.032 Da
Topological Polar Surface Area57.500 Ų
Heavy Atom Count10
Formal Charge0
Complexity124.000
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
Solution Calculators
Reviews

Customer Reviews

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