2,5-Dihydroxybenzoic acid - ≥99%(HPLC), matrix substance for MALDI-MS , CAS No.490-79-9

CAS: 490-79-9 Cat. No.: D119198 Fórmula: C7H6O4 Peso molecular: 154.12 Beilstein Registry Number: 10(4)1441 Número CE: 207-718-5
Disponível para encomenda
GRADE & PURITY ≥99%(HPLC) matrix substance for MALDI-MS
Synonyms
Spectrum5_000581 | 4-10-00-01441 (Beilstein Handbook Reference) | Benzoic acid, 2,5-dihydroxy- | Casate sodium | Hydroquinonecarboxylic acid | Gentinatre | gentisic acid | SPBio_000846 | DivK1c_000538 | Gentisinic acid | GENTISATE SODIUM | GENTISIC ACID [
Storage
Protected from light,Room temperature
Shipped In
Normal
★
Size
USA
Alemanha (EU)*
Price
Qty
1g
D119198-1g
7 Em stock
—
30,90US$
5g
D119198-5g
6 Em stock
—
78,90US$
Enter a quantity for the sizes you want to add.
🧪
Why this grade

≥99%(HPLC), matrix substance for MALDI-MS for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

🌡

Storage & shipping

Protected from light,Room temperature 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 96 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Specifications

Sinónimos
Spectrum5_000581 | 4-10-00-01441 (Beilstein Handbook Reference) | Benzoic acid, 2,5-dihydroxy- | Casate sodium | Hydroquinonecarboxylic acid | Gentinatre | gentisic acid | SPBio_000846 | DivK1c_000538 | Gentisinic acid | GENTISATE SODIUM | GENTISIC ACID [
Especificações e pureza
≥99%(HPLC), matrix substance for MALDI-MS
Condições de armazenamento de armazenamento
Protected from light,Room temperature
Enviado em
Normal
Tipo de ação
INHIBITOR
Pureza
≥99%(HPLC)
Nomes e identificadores
Pubchem Sid
Pubchem Sid Url
https://pubchem.ncbi.nlm.nih.gov/substance/504750675
Sorrisos canónicos
C1=CC(=C(C=C1O)C(=O)O)O
IUPAC Name
2,5-dihydroxybenzoic acid
InChIKey
WXTMDXOMEHJXQO-UHFFFAOYSA-N
INCHI
1S/C7H6O4/c8-4-1-2-6(9)5(3-4)7(10)11/h1-3,8-9H,(H,10,11)
SMILES isoméricas
C1=CC(=C(C=C1O)C(=O)O)O
WGK Alemanha
3
RTECS
LY3850000
Peso molecular
154.12
Beilstein
10(4)1441
Reaxy-Rn
2209119
Reaxys-RN_link_address
https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=2209119&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
SuperclassBenzenoids
ClasseBenzene and substituted derivatives
SubclassBenzoic acids and derivatives
Intermediate Tree Nodes Not available
Direct ParentHydroxybenzoic acid derivatives
Alternative Parents Salicylic acids  Benzoic acids  Hydroquinones  Benzoyl derivatives  1-hydroxy-2-unsubstituted benzenoids  Vinylogous acids  Monocarboxylic acids and derivatives  Carboxylic acids  Organooxygen compounds  Organic oxides  Hydrocarbon derivatives  
Molecular FrameworkAromatic homomonocyclic compounds
Substituents Dihydroxybenzoic acid - Salicylic acid - Salicylic acid or derivatives - Hydroxybenzoic acid - Benzoic acid - Benzoyl - Hydroquinone - 1-hydroxy-2-unsubstituted benzenoid - Phenol - Vinylogous acid - Carboxylic acid derivative - Carboxylic acid - Monocarboxylic acid or derivatives - Organic oxygen compound - Hydrocarbon derivative - Organooxygen compound - Organic oxide - Aromatic homomonocyclic compound
DescriçãoThis compound belongs to the class of organic compounds known as hydroxybenzoic acid derivatives. These are compounds containing a hydroxybenzoic acid (or a derivative), which is a benzene ring bearing a carboxyl and a hydroxyl groups.
External Descriptors dihydroxybenzoic acid
Estrutura 3D
Modelo de Estrutura Química Interativa





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Mecanismos de ação
Certificados(CoA,COO,BSE/TSE e Mapa de Análise)
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.

24 results found

Lot NumberCertificate TypeDataItem
A2316077Certificate of AnalysisOct 09, 2026 D119198
K2201584Certificate of AnalysisAug 03, 2026 D119198
G2606284Certificate of AnalysisMar 04, 2026 D119198
G2606283Certificate of AnalysisMar 04, 2026 D119198
C2606365Certificate of AnalysisFeb 09, 2026 D119198
C2606366Certificate of AnalysisFeb 09, 2026 D119198
K2527487Certificate of AnalysisNov 10, 2025 D119198
K2527483Certificate of AnalysisNov 10, 2025 D119198
G2501318Certificate of AnalysisJun 17, 2025 D119198
G2501319Certificate of AnalysisJun 17, 2025 D119198
D2524163Certificate of AnalysisFeb 17, 2025 D119198
D2524162Certificate of AnalysisFeb 17, 2025 D119198
J2410563Certificate of AnalysisSep 20, 2024 D119198
J2410573Certificate of AnalysisSep 20, 2024 D119198
D2424242Certificate of AnalysisApr 11, 2024 D119198
D2424237Certificate of AnalysisApr 11, 2024 D119198
E2320408Certificate of AnalysisMay 08, 2023 D119198
E2323400Certificate of AnalysisMay 08, 2023 D119198
E2323408Certificate of AnalysisMay 08, 2023 D119198
E2323428Certificate of AnalysisMay 08, 2023 D119198
D1922203Certificate of AnalysisFeb 02, 2023 D119198
K2201567Certificate of AnalysisNov 05, 2022 D119198
I2219416Certificate of AnalysisSep 23, 2022 D119198
F2213232Certificate of AnalysisJun 16, 2022 D119198
Propriedades químicas e físicas
SolubilidadeSoluble in Ether,Alcohol; Insoluble in Benzene,Chloroform
Ponto de fusão (°C)200-205°C
Peso molecular154.120 g/mol
XLogP31.600
Hydrogen Bond Donor Count3
Hydrogen Bond Acceptor Count4
Rotatable Bond Count1
Exact Mass154.027 Da
Monoisotopic Mass154.027 Da
Topological Polar Surface Area77.800 Ų
Heavy Atom Count11
Formal Charge0
Complexity157.000
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
Calculadoras de soluções
Revisões

Avaliações dos Clientes

Perguntas frequentes

What is the purity of this product, and how is it determined?
This product is supplied at ≥99% purity, determined by HPLC. Lot-specific values are stated on the Certificate of Analysis.
How should this product be stored?
Store at room temperature, protected from light. The material is light-sensitive — keep it in its original opaque or amber container.
How is this product shipped?
This product ships under standard ambient conditions. No temperature-controlled packaging is required.
What are the CAS number, molecular formula and molecular weight?
The CAS Number is 490-79-9, the molecular formula is C7H6O4, and the molecular weight is 154.12 g/mol. InChIKey WXTMDXOMEHJXQO-UHFFFAOYSA-N.
What documentation is provided?
Available product documentation, including Certificates of Analysis (COA), Safety Data Sheets (SDS), and specification sheets, is shown in the product document area. Document availability and access follow the current site policy.

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