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ChemicalBook >> CAS DataBase List >>3,4-Dihydroxy-5-Nitrobenzoic Acid

3,4-Dihydroxy-5-Nitrobenzoic Acid

3,4-Dihydroxy-5-Nitrobenzoic Acid Structure
3,4-Dihydroxy-5-Nitrobenzoic Acid structure
CAS No.
84211-30-3
Chemical Name:
3,4-Dihydroxy-5-Nitrobenzoic Acid
Synonyms
Entacapone Impurity 10;Entacapone Impurity 26;Entacapone Benzoic Acid Impurity;,4-Dihydroxy-5-Nitrobenzoic Acid;3,4-Dihydroxy-5-Nitrobenzoic Acid;Benzoic acid, 3,4-dihydroxy-5-nitro-
CBNumber:
CB01075692
Molecular Formula:
C7H5NO6
Molecular Weight:
199.12
MDL Number:
MFCD00872080
MOL File:
84211-30-3.mol
MSDS File:
SDS
Last updated:2026-05-27 17:22:23
Product description Number Pack Size Price
3,4-Dihydroxy-5-nitrobenzoic Acid TRC-D453235-250MG 250mg $247
3,4-Dihydroxy-5-nitrobenzoic Acid TRC-D453235-2.5G 2.5g $1836
3,4-Dihydroxy-5-nitrobenzoic acid 178993 5.00g $1650
3,4-Dihydroxy-5-Nitrobenzoic Acid 95% AA004OOU 250mg $19
3,4-Dihydroxy-5-Nitrobenzoic Acid 95% AA004OOU 1g $23
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3,4-Dihydroxy-5-Nitrobenzoic Acid Properties

Melting point >222oC (dec.)
Boiling point 411.1±45.0 °C(Predicted)
Density 1.799±0.06 g/cm3(Predicted)
storage temp. Hygroscopic, -20°C Freezer, Under inert atmosphere
solubility DMSO (Slightly), Methanol (Slightly)
form Solid
pka 3.82±0.10(Predicted)
color Yellow to Beige
InChI InChI=1S/C7H5NO6/c9-5-2-3(7(11)12)1-4(6(5)10)8(13)14/h1-2,9-10H,(H,11,12)
InChIKey HDPSONAKHMNQPA-UHFFFAOYSA-N
SMILES C(O)(=O)C1=CC([N+]([O-])=O)=C(O)C(O)=C1

SAFETY

Risk and Safety Statements

Symbol(GHS)  Exclamation Mark (GHS07)
GHS07
Signal word  Warning
Hazard statements  H302-H315-H319-H335
Precautionary statements  P261-P305+P351+P338

3,4-Dihydroxy-5-Nitrobenzoic Acid price

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
TRC TRC-D453235-250MG 3,4-Dihydroxy-5-nitrobenzoic Acid 84211-30-3 250mg $247 2026-06-03 Buy
TRC TRC-D453235-2.5G 3,4-Dihydroxy-5-nitrobenzoic Acid 84211-30-3 2.5g $1836 2026-06-03 Buy
Matrix Scientific 178993 3,4-Dihydroxy-5-nitrobenzoic acid 84211-30-3 5.00g $1650 2026-05-18 Buy
aablocks AA004OOU 3,4-Dihydroxy-5-Nitrobenzoic Acid 95% 84211-30-3 250mg $19 2026-05-28 Buy
aablocks AA004OOU 3,4-Dihydroxy-5-Nitrobenzoic Acid 95% 84211-30-3 1g $23 2026-05-28 Buy
Product number Packaging Price Buy
TRC-D453235-250MG 250mg $247 Buy
TRC-D453235-2.5G 2.5g $1836 Buy
178993 5.00g $1650 Buy
AA004OOU 250mg $19 Buy
AA004OOU 1g $23 Buy

3,4-Dihydroxy-5-Nitrobenzoic Acid Chemical Properties,Uses,Production

Uses

3,4-Dihydroxy-5-nitrobenzoic Acid is a useful synthetic intermediate in the synthesis of Entacapone; a peripherally selective inhibitor of catechol-O-methyltransferase (COMT). Also an antiparkinsonian.

Uses

3,4-Dihydroxy-5-nitrobenzoic Acid is a useful synthetic intermediate in the synthesis of Entacapone (E558500); a peripherally selective inhibitor of catechol-O-methyltransferase (COMT). Also an antiparkinsonian.

3,4-Dihydroxy-5-Nitrobenzoic Acid Preparation Products And Raw materials

Raw materials

Preparation Products

3,4-Dihydroxy-5-Nitrobenzoic Acid Suppliers

Global( 97)Suppliers
Supplier Tel Email Country ProdList Advantage
Shenzhen Nexconn Pharmatechs Ltd 		+86-755-89396905 +86-15013857715 admin@nexconn.com China 10399 58
Standardpharm Co. Ltd. 		86-714-3992388 overseasales1@yongstandards.com United States 14320 58
career henan chemical co 		+86-0371-86658258 factory@coreychem.com China 29780 58
Finetech Industry Limited 		+86-27-8746-5837 +86-18627785180 info@finetechnology-ind.com China 9539 58
CD Chemical Group Limited 		+86-13651442114 info@codchem.com China 17253 58
Henan Alfa Chemical Co., Ltd 		+8618339805032 sale03@alfachem.cn China 9811 58
Hefei TNJ Chemical Industry Co.,Ltd. 		+86-0551-65418684 +86-18949823763 sales@tnjchem.com China 25333 58
HANGZHOU LEAP CHEM CO., LTD. 		+86-571-87711850 +8619957148339 market18@leapchem.com China 24569 58
ShenZhen Trendseen Biological Technology Co.,Ltd. 		13417589054 trendseenbio@gmail.com China 11674 58
Zhengzhou Anbu Chem Co.,Ltd 		+86-0371-88006763; +86-15988602810 sales@anbuchem.com China 3107 58
Supplier Advantage
Shenzhen Nexconn Pharmatechs Ltd 		58
Standardpharm Co. Ltd. 		58
career henan chemical co 		58
Finetech Industry Limited 		58
CD Chemical Group Limited 		58
Henan Alfa Chemical Co., Ltd 		58
Hefei TNJ Chemical Industry Co.,Ltd. 		58
HANGZHOU LEAP CHEM CO., LTD. 		58
ShenZhen Trendseen Biological Technology Co.,Ltd. 		58
Zhengzhou Anbu Chem Co.,Ltd 		58

View Lastest Price from 3,4-Dihydroxy-5-Nitrobenzoic Acid manufacturers

Image Update time Product Price Min. Order Purity Supply Ability Manufacturer
3,4-dihydroxy-5-nitrobenzoic acid pictures 2022-01-18 3,4-dihydroxy-5-nitrobenzoic acid
84211-30-3
 1KG 98.1% 100 tons Honest Joy Holdings Limited
3,4-Dihydroxy-5-Nitrobenzoic Acid pictures 2019-12-25 3,4-Dihydroxy-5-Nitrobenzoic Acid
84211-30-3
 $1.00 1KG 98%HPLC 10t Career Henan Chemical Co

3,4-Dihydroxy-5-Nitrobenzoic Acid Spectrum

3,4-Dihydroxy-5-Nitrobenzoic Acid(84211-30-3)1HNMR

84211-30-3(3,4-Dihydroxy-5-Nitrobenzoic Acid)Related Search:

(E/Z)-3-O-Methyl Entacapone CIS-ENTACAPONE (E)-3-O-Methyl Entacapone Entacapone (2E)-2-Cyano-3-(3-ethoxy-4-hydroxy-5-nitrophenyl)-N,N-diethyl-2-propenamide
(alphaE)-alpha-[(3,4-Dihydroxy-5-nitrophenyl)methylene]-beta-oxo-1-piperidinepropanenitrile TYRPHOSTIN AG 1290 Entacapone EP IMpurity I 3,5-DINITROCATECHOL 3-Nitro-4,5-dihydroxybenzaldehyde
4-Aminobenzoic acid Sodium hydroxide Entacapone Impurity 4 6-Methoxy-2,4-dinitrophenol Entacapone 3-b-D-Glucuronide
Entacapone Impurity 13 2-Propenamide, 2-cyano-3-(3,4-dihydroxyphenyl)-N,N-diethyl-, (2E)- Entacapone Impurity 10

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3,4-Dihydroxy-5-Nitrobenzoic Acid Benzoic acid, 3,4-dihydroxy-5-nitro- Entacapone Benzoic Acid Impurity Entacapone Impurity 26 Entacapone Impurity 10 ,4-Dihydroxy-5-Nitrobenzoic Acid 84211-30-3