ChemicalBook >> CAS DataBase List >>N-(2,3-Dihydro-2-oxo-1H-benzimidazol-5-yl)-3-hydroxy-2-naphthalenecarboxamide

N-(2,3-Dihydro-2-oxo-1H-benzimidazol-5-yl)-3-hydroxy-2-naphthalenecarboxamide

N-(2,3-Dihydro-2-oxo-1H-benzimidazol-5-yl)-3-hydroxy-2-naphthalenecarboxamide structure

CAS No.: 1237-75-8

Chemical Name:: N-(2,3-Dihydro-2-oxo-1H-benzimidazol-5-yl)-3-hydroxy-2-naphthalenecarboxamide

Synonyms: C.I.37566;AI3-50089;AI 3-50089;AI-3-50089;CI NO 37566;Naphtol AS-BI;NAPHTHOL AS-BI;5-(3-Hydroxy-2-napht;Naphthol AS-BI, 94.0%;Naphthol AS-BI (C.I. 37566)

CBNumber:: CB3409651

Molecular Formula:: C18H14BrNO3

Molecular Weight:: 372.21

MDL Number:: MFCD00388332

MOL File:: 1237-75-8.mol

MSDS File:: SDS

Last updated:2026-05-28 06:27:40

Product description	Number	Pack Size	Price
Naphthol AS-BI, 94.0%	N-1901	2.5g	$441.85
Naphthol AS-BI, 94.0%	N-1901	5g	$736.4
Naphthol AS-BI, 94.0%	N-1901	10g	$1227.2
Naphthol AS-BI, 94.0%	N-1901	25g	$2556.75
Naphthol AS-BI, 94.0%	N-1901	50g	$4257
More product size

Request For Quotation

N-(2,3-Dihydro-2-oxo-1H-benzimidazol-5-yl)-3-hydroxy-2-naphthalenecarboxamide Properties

Boiling point	467.3±40.0 °C(Predicted)
Density	1.544±0.06 g/cm3(Predicted)
storage temp.	2-8°C
pka	8.42±0.40(Predicted)
CAS DataBase Reference	1237-75-8(CAS DataBase Reference)
FDA UNII	V2TG9VZA3M
EPA Substance Registry System	2-Naphthalenecarboxamide, 7-bromo-3-hydroxy-N-(2-methoxyphenyl)- (1237-75-8)

SAFETY

Risk and Safety Statements

Symbol(GHS)	GHS07
Signal word	Warning
Hazard statements	H302
Precautionary statements	P280-P305+P351+P338
TSCA	TSCA listed

N-(2,3-Dihydro-2-oxo-1H-benzimidazol-5-yl)-3-hydroxy-2-naphthalenecarboxamide price More Price(30)

Manufacturer	Product number	Product description	CAS number	Packaging	Price	Updated	Buy
Biosynth	N-1901	Naphthol AS-BI, 94.0%	1237-75-8	2.5g	$441.85	2026-06-04	Buy
Biosynth	N-1901	Naphthol AS-BI, 94.0%	1237-75-8	5g	$736.4	2026-06-04	Buy
Biosynth	N-1901	Naphthol AS-BI, 94.0%	1237-75-8	10g	$1227.2	2026-06-04	Buy
Biosynth	N-1901	Naphthol AS-BI, 94.0%	1237-75-8	25g	$2556.75	2026-06-04	Buy
Biosynth	N-1901	Naphthol AS-BI, 94.0%	1237-75-8	50g	$4257	2026-06-04	Buy

Product number	Packaging	Price	Buy
N-1901	2.5g	$441.85	Buy
N-1901	5g	$736.4	Buy
N-1901	10g	$1227.2	Buy
N-1901	25g	$2556.75	Buy
N-1901	50g	$4257	Buy

N-(2,3-Dihydro-2-oxo-1H-benzimidazol-5-yl)-3-hydroxy-2-naphthalenecarboxamide Chemical Properties,Uses,Production

Uses

Naphthol AS-BI is a substrate of β-glucuronidase and produces a bright red effect after staining biological tissues.

Preparation

O-Anisidineand 7-Bromo-3-hydroxy-2-naphthoic acidcondensation

References

[1] HAYASHI M, NAKAJIMA Y, FISHMAN W H. The cytologic demonstration of β-glucuronidase employing naphthol AS-BI glucuronide and hexazonium pararosanilin; a preliminary report[J]. Journal of Histochemistry & Cytochemistry, 1964, 12(4): 293-297.

N-(2,3-Dihydro-2-oxo-1H-benzimidazol-5-yl)-3-hydroxy-2-naphthalenecarboxamide Preparation Products And Raw materials

Raw materials

7-BROMO-3-HYDROXY-NAPHTHALENE-2-CARBOXYLIC ACID o-Anisidine

Preparation Products

N-(2,3-Dihydro-2-oxo-1H-benzimidazol-5-yl)-3-hydroxy-2-naphthalenecarboxamide Suppliers

Global( 64)Suppliers

Supplier	Tel	Email	Country	ProdList	Advantage
Shaanxi Dideu Medichem Co. Ltd	+8617392709771	1097@dideu.com	China	3991	58
Alchem Pharmtech,Inc.	8485655694	sales@alchempharmtech.com	United States	63687	58
career henan chemical co	+86-0371-86658258 +8613203830695	factory@coreychem.com	China	29792	58
SIMAGCHEM CORP	+86-5922680277 +86-13806087780	sale@simagchem.com	China	17346	58
TargetMol Chemicals Inc.	+1-781-999-5354; +17819995354	marketing@targetmol.com	United States	32466	58
Hefei TNJ Chemical Industry Co.,Ltd.	+86-0551-65418671 +8618949823763	sales@tnjchem.com	China	34563	58
Dayang Chem (Hangzhou) Co.,Ltd.	+86-0571-88938639 +8617705817739	info@dycnchem.com	China	52704	58
GIHI CHEMICALS CO.,LIMITED	+86-571-86217390; +8618058761490	info@gihichemicals.com	China	49890	58
HANGZHOU LEAP CHEM CO., LTD.	+86-571-87711850	market18@leapchem.com	China	43333	58
XIAMEN AMITY INDUSTRY AND TRADE CO., LTD.	+8618950047208	ellena@amitychem.com	China	43414	58

Supplier	Advantage
Shaanxi Dideu Medichem Co. Ltd	58
Alchem Pharmtech,Inc.	58
career henan chemical co	58
SIMAGCHEM CORP	58
TargetMol Chemicals Inc.	58
Hefei TNJ Chemical Industry Co.,Ltd.	58
Dayang Chem (Hangzhou) Co.,Ltd.	58
GIHI CHEMICALS CO.,LIMITED	58
HANGZHOU LEAP CHEM CO., LTD.	58
XIAMEN AMITY INDUSTRY AND TRADE CO., LTD.	58

View Lastest Price from N-(2,3-Dihydro-2-oxo-1H-benzimidazol-5-yl)-3-hydroxy-2-naphthalenecarboxamide manufacturers

Image	Update time	Product	Price	Min. Order	Purity	Supply Ability	Manufacturer
	2025-12-24	Naphthol AS-BI 1237-75-8		1KG	99%	1000Kg	Shaanxi Dideu Medichem Co. Ltd
	2020-02-21	N-(2,3-Dihydro-2-oxo-1H-benzimidazol-5-yl)-3-hydroxy-2-naphthalenecarboxamide 1237-75-8	$3.00	1KG	98%	200KG	Career Henan Chemical Co

Naphthol AS-BI
1237-75-8
99%
Shaanxi Dideu Medichem Co. Ltd

N-(2,3-Dihydro-2-oxo-1H-benzimidazol-5-yl)-3-hydroxy-2-naphthalenecarboxamide
1237-75-8
$3.00
98%
Career Henan Chemical Co

N-(2,3-Dihydro-2-oxo-1H-benzimidazol-5-yl)-3-hydroxy-2-naphthalenecarboxamide Spectrum

N-(2,3-Dihydro-2-oxo-1H-benzimidazol-5-yl)-3-hydroxy-2-naphthalenecarboxamide(1237-75-8)MS N-(2,3-Dihydro-2-oxo-1H-benzimidazol-5-yl)-3-hydroxy-2-naphthalenecarboxamide(1237-75-8)IR1 N-(2,3-Dihydro-2-oxo-1H-benzimidazol-5-yl)-3-hydroxy-2-naphthalenecarboxamide(1237-75-8)IR2

1237-75-8(N-(2,3-Dihydro-2-oxo-1H-benzimidazol-5-yl)-3-hydroxy-2-naphthalenecarboxamide)Related Search:

Naphthol AS 4'-Chloro-2',5'-dimethoxyacetoacetanilide Naphtanilide EL NAPHTHOL AS-GR PURIFIED GRADE N,N'-(3,3'-dimethyl[1,1'-biphenyl]-4,4'-diyl)bis(3-hydroxynaphthalene-2-carboxamide)

A,A'-TEREPHTHALOYLBIS-5-CHLORO-2,4-DIMETHOXYACETANILIDE NAPHTHOL AS-BI SULFATE POTASSIUM SALT Naphthol AS-BI phosphate disodium salt N-(2,3-Dihydro-2-oxo-1H-benzimidazol-5-yl)-3-hydroxy-2-naphthalenecarboxamide NAPHTHOL AS-BI PHOSPHATE

NAPHTHOL AS-BI BETA-D-GLUCURONIDE NAPHTHOL AS-BI N-ACETYL-BETA-D-GLUCOSAMINIDE NAPHTHOL AS-BI BETA-L-FUCOPYRANOSIDE NAPHTHOL AS-BI BETA-D-GALACTOPYRANOSIDE 1-(NAPHTHOL AS BI)-BETA-D-GLUCOPYRANOSIDE

NAPHTHOL AS-BI PHOSPHATE SODIUM SALT N-BENZOYL-DL-PHENYLALANINE BETA-NAPHTHOL AS-BI ESTER NAPHTHOLAS-BIBUTYRATE

1of4

N-(2,3-Dihydro-2-oxo-1H-benzimidazol-5-yl)-3-hydroxynaphthalin-2-carboxamid 2-Naphthalenecarboxamide, N-(2,3-dihydro-2-oxo-1H-benzimidazol-5-yl)-, 3-hydroxy 6-Bromo-2-hydroxy-3-naphthoic acid 2-methoxyanilide Azoic Coupling Component 45 Naphthol AS-BI, 94.0% CI NO 37566 7-BROMO-3-HYDROXY-N-(2-METHOXYPHENYL)-2-NAPHTHALENECARBOXAMIDE 5-(3-Hydroxy-2-napht Naphthol AS-BI (C.I. 37566) 7-Bromo-3-hydroxy-N-(2-methoxyphenyl)-2-naphthamide C.I.37566 C.I.Azoic Coupling Component 45 Naphtol AS-BI 7-bromo-3-hydroxy-N-(2-methoxyphenyl)naphthalene-2-carboxamide N-(2,3-Dihydro-2-oxo-1H-benziMidazol-5-yl)-3-hydro N-(2,3-Dihydro-2-oxo-1H-benziMidazol-5-yl)-3-hydroxy-3-naphthalenecarboxaMide, Naphthol AS-BI NAPHTHOL AS-BI 7-bromo-3-hydroxy-n-(2-methoxyphenyl)-2-naphthalenecarboxamid 6-bromo-2-hydroxy-N-o-hydroxyphenylnaphthalene-3-carboxamide 5-(3'-Hydroxy-2'-naphthylformamido)benzimidazolone N-C2,3-dihydro-2-oxo-1H-benzimidazol-5-yl)-3-Hydorxy-2-Naphthalenecarboxamide N-(2,3-dihydro-2-oxo-1H-benzimidazol-5-yl)-3-hydroxynaphthalene-2-carboxamide 5-(3-Hydroxy-2-Naphthoylamino)Benzimidazolin-2-One 3-hydroxy-N-(2-oxo-5-benzimidazolinyl)-2-naphthamide NAPHTHOL AS-BI C.I. NO. 37566 2-Naphthalenecarboxamide, 7-bromo-3-hydroxy-N-(2-methoxyphenyl)- C.I.Azoic Coupling Component 45:C.I.37566 Naphthol AS-BI extrapure, 98% AI 3-50089 AI-3-50089 AI3-50089 7-Bromo-3-hydroxy-N-(2-methoxyphenyl)-2-naphthamide , Naphthol AS-BI 1237-75-8 2684-40-8 C18H13N3O3 Intermediates of Dyes and Pigments Miscellaneous Biochemicals