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4-CHLOROBENZYLIDENE PHTHALIDE

CAS No.
20526-97-0
Chemical Name:
4-CHLOROBENZYLIDENE PHTHALIDE
Synonyms
Einecs 243-862-5;isobenzofuran-1(3H);Azelastine USP RC E;AZELASTINE EP IMP E;4-Chlorbenzalphthalid;3-(4-Chlorobenzylidene);3-(4-Chlorobenzal)phthalide;Azelastine HCl EP Impurity E;4-CHLOROBENZYLIDENE PHTHALIDE;3-(4-CHLOROBENZYLIDENE)PHTHALIDE
CBNumber:
CB7760994
Molecular Formula:
C15H9ClO2
Molecular Weight:
256.68
MDL Number:
MFCD02683417
MOL File:
20526-97-0.mol
Last updated:2025-07-16 20:18:59
Product description Number Pack Size Price
Azelastine impurity E European Pharmacopoeia (EP) Reference Standard Y0000329 5 mg $225
Azelastine Related Compound E certified reference material, pharmaceutical secondary standard PHR2843 50MG $472.15
Azelastine impurity E 1046202 20mg $1260
Azelastine impurity E European Pharmacopoeia (EP) Reference Standard Y0000329 y0000329 $220
3-(4-Chlorobenzal)phthalide >98.0%(GC) C3448 1g $224
More product size

4-CHLOROBENZYLIDENE PHTHALIDE Properties

Melting point 153.0 to 158.0 °C
Boiling point 408.9±45.0 °C(Predicted)
Density 1.381±0.06 g/cm3(Predicted)
storage temp. Sealed in dry,Room Temperature
solubility Chloroform (Slightly), Dichloromethane (Slightly)
form solid
color Pale Yellow
FDA UNII L0K2E542PL
UNSPSC Code 41116107
NACRES NA.24

SAFETY

Risk and Safety Statements

HS Code  2932.20.2000

4-CHLOROBENZYLIDENE PHTHALIDE price More Price(24)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich Y0000329 Azelastine impurity E European Pharmacopoeia (EP) Reference Standard 20526-97-0 5 mg $225 2025-07-31 Buy
Sigma-Aldrich PHR2843 Azelastine Related Compound E certified reference material, pharmaceutical secondary standard 20526-97-0 50MG $472.15 2025-07-31 Buy
Sigma-Aldrich 1046202 Azelastine impurity E 20526-97-0 20mg $1260 2025-07-31 Buy
Sigma-Aldrich Y0000329 Azelastine impurity E European Pharmacopoeia (EP) Reference Standard 20526-97-0 y0000329 $220 2024-03-01 Buy
TCI Chemical C3448 3-(4-Chlorobenzal)phthalide >98.0%(GC) 20526-97-0 1g $224 2025-07-31 Buy
Product number Packaging Price Buy
Y0000329 5 mg $225 Buy
PHR2843 50MG $472.15 Buy
1046202 20mg $1260 Buy
Y0000329 y0000329 $220 Buy
C3448 1g $224 Buy

4-CHLOROBENZYLIDENE PHTHALIDE Chemical Properties,Uses,Production

Uses

Stilbene-related benzalphthalide derivative with with potential anti-HIV and leishmanicidal activity. It has anxiolytic effects and maybe useful in the development of a non-benzodiazepinic and non-nitrogenated antianxiety agents.An impurity arising in the synthesis of azelastine (A808250).

Uses

3-(4-Chlorobenzal)phthalide is stilbene-related benzalphthalide derivative with with potential anti-HIV and leishmanicidal activity. It has anxiolytic effects and maybe useful in the development of a non-benzodiazepinic and non-nit rogenated antianxiety agents.

4-CHLOROBENZYLIDENE PHTHALIDE Preparation Products And Raw materials

Raw materials

Preparation Products

Global( 113)Suppliers
Supplier Tel Email Country ProdList Advantage
Henan Fengda Chemical Co., Ltd
+86-371-86557731 +86-13613820652 info@fdachem.com China 20171 58
Capot Chemical Co.,Ltd.
+86-(0)57185586718; +8613336195806 sales@capot.com China 29735 60
career henan chemical co
+86-0371-86658258 +8613203830695 factory@coreychem.com China 29798 58
Neostar United (Changzhou) Industrial Co., Ltd.
+86-0519-85551759 +8613506123987 marketing1@neostarunited.com China 8830 58
Hefei TNJ Chemical Industry Co.,Ltd.
+86-0551-65418671 +8618949823763 sales@tnjchem.com China 34563 58
Shanghai UCHEM Inc.
+862156762820 +86-13564624040 sales@myuchem.com China 8421 58
Jinjiangchem Corporation
512-50133713 sales@jinjiangchem.com CHINA 1072 58
Baoji Guokang Healthchem co.,ltd
+8615604608665 15604608665 dominicguo@gk-bio.com CHINA 9414 58
Dayang Chem (Hangzhou) Co.,Ltd.
+86-0571-88938639 +8617705817739 info@dycnchem.com China 52846 58
CD Chemical Group Limited
+8615986615575 info@codchem.com China 20342 58

View Lastest Price from 4-CHLOROBENZYLIDENE PHTHALIDE manufacturers

Image Update time Product Price Min. Order Purity Supply Ability Manufacturer
4-CHLOROBENZYLIDENE PHTHALIDE pictures 2025-09-25 4-CHLOROBENZYLIDENE PHTHALIDE
20526-97-0
US $10.00-3.00 / KG 1KG 99% g-kg-tons, free sample is available Henan Fengda Chemical Co., Ltd
3-(4-Chlorobenzylidene)isobenzofuran-1(3H)-one pictures 2025-07-16 3-(4-Chlorobenzylidene)isobenzofuran-1(3H)-one
20526-97-0
US $50.00-37.00 / mg 10g TargetMol Chemicals Inc.
4-chlorobenzylidene phthalide pictures 2020-01-10 4-chlorobenzylidene phthalide
20526-97-0
US $1.00 / KG 1KG 99% 200kg Career Henan Chemical Co

4-CHLOROBENZYLIDENE PHTHALIDE Spectrum

20526-97-0(4-CHLOROBENZYLIDENE PHTHALIDE)Related Search:

3-(p-Chlorobenzylidene)phthalide 3-[(4-chlorophenyl)methylene]phthalide 3-[1-(4-Chloro-phenyl)-meth-(Z)-ylidene]-3H-isobenzofuran-1-one 4-CHLOROBENZYLIDENE PHTHALIDE 3-(4-CHLOROBENZYLIDENE)PHTHALIDE 3-(4-Chlorobenzylidene)-1(3H)-isobenzofuranone 3-[(4-Chlorophenyl)methylene]-1(3H)-isobenzofuranone Einecs 243-862-5 3-(4-Chlorobenzal)phthalide 3-(4-Chlorobenzylidene)isobenzofuran-1(3H)-one 3-(4-Chlorobenzilidene)isobenzofuran-1(3H)-one Azelastine HCl EP Impurity E 3-(4-Chlorobenzylidene) isobenzofuran-1(3H) 3-[(4-chlorophenyl)methylidene]-2-benzofuran-1-one 3-(4-Chlorobenzylidene)isobenzofura Azelastine USP RC E 1(3H)-Isobenzofuranone, 3-[(4-chlorophenyl)methylene]- (E/Z)-3-(4-chlorobenzylidene)isobenzofuran-1(3H)-one 4-Chlorbenzalphthalid Azelastine Hydrochloride EP Impurity E Azelastine EP Impurity E/ Azelastine Related Compound E Azelastine USP Related Compound E AZELASTINE EP IMP E Azelastine Impurity 7 (Azelastine EP Impurity E) 20526-97-0 Aromatics Heterocycles Intermediates & Fine Chemicals Pharmaceuticals