4-chlorobenzylidene phthalide

Modify Date: 2026-08-31 14:34:06

4-chlorobenzylidene phthalide structure	Common Name	4-chlorobenzylidene phthalide
	CAS Number	20526-97-0	Molecular Weight	256.68400
	Density	N/A	Boiling Point	N/A
	Molecular Formula	C₁₅H₉ClO₂	Melting Point	153.0 to 158.0 °C
	MSDS	N/A	Flash Point	N/A

Name	3-((4-Chlorophenyl)methylene)phthalide
Synonym	More Synonyms

Melting Point	153.0 to 158.0 °C
Molecular Formula	C₁₅H₉ClO₂
Molecular Weight	256.68400
Exact Mass	256.02900
PSA	26.30000
LogP	4.00850
Vapour Pressure	6.76E-07mmHg at 25°C
InChIKey	OHRFHJYUEWVXBD-UHFFFAOYSA-N
SMILES	O=C1OC(=Cc2ccc(Cl)cc2)c2ccccc21

RIDADR	NONH for all modes of transport
HS Code	2932209090

4-Chlorophenyla...

CAS#:1878-66-6

Phthalic anhydride

CAS#:85-44-9

~63%

4-chlorobenzyli...

CAS#:20526-97-0

Learn More

Literature: Havaldar, Freddy H.; Dabholkar, Bhushan V.; Mule, Ganesh B. Synthetic Communications, 2013 , vol. 43, # 8 p. 1127 - 1137

Precursor 2
CAS#:1878-66-6 4-Chlorophenyla... CAS#:85-44-9 Phthalic anhydride
DownStream 3
CAS#:53242-76-5 2-((4-Chlorophe... CAS#:53242-88-9 4-(4-chlorobenz... CAS#:1146-99-2 Chlorindione

HS Code	2932209090
Summary	2932209090. other lactones. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

Name: Ratio of cytotoxic activity to anti HIV activity
Source: ChEMBL
Target: Human immunodeficiency virus
External Id: CHEMBL863596

Name: Percentage number of entries into the open arms of the maze for anxiolytic activity i...
Source: ChEMBL
Target: Mus musculus
External Id: CHEMBL823178

Name: Number of entries into the open arms of the maze for anxiolytic activity in ICR mouse...
Source: ChEMBL
Target: Mus musculus
External Id: CHEMBL823177

Name: Time spent into the open arms of the maze for anxiolytic activity in ICR mouse throug...
Source: ChEMBL
Target: Mus musculus
External Id: CHEMBL825153

Name: Number of entries into the closed arms of the maze for anxiolytic activity in ICR mou...
Source: ChEMBL
Target: Mus musculus
External Id: CHEMBL826846

Name: Inhibitory concentration against trypomastigotes (Y strain) of Trypanosoma cruzi; Ina...
Source: ChEMBL
Target: Trypanosoma cruzi
External Id: CHEMBL820656

Name: Inhibition of Tat activity in HeLa cells transfected with Tat-Luc at 100 uM
Source: ChEMBL
Target: Protein Tat
External Id: CHEMBL854586

Name: Specificity against NF-kappaB and Tat proteins assessed by activity in Hela Tet-ON as...
Source: ChEMBL
Target: N/A
External Id: CHEMBL854585

Name: In vitro inhibitory activity against Leishmania donovani (PP75)
Source: ChEMBL
Target: Leishmania donovani
External Id: CHEMBL712532

Name: Inhibition of HIV replication by recombinant virus assay
Source: ChEMBL
Target: Human immunodeficiency virus
External Id: CHEMBL854587

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3-(p-Chlorobenzylidene)phthalide

3-[(4-chlorophenyl)methylene]phthalide

3-(4-chlorobenzylidene)pentane-2,4-dione

3-(4-chlorobenzylidene)-2-benzofuran-1(3H)-one

Azelastine impurity E

3-(4-Chlorobenzylidene)-2,4-pentanedione

1-Oxo-3-(4-chlor-benzyliden)-phthalan

3-(4-chloro-benzylidene)-3H-isobenzofuran-1-one

3-(p-chlorobenzylidene)-2,4-pentandione

The content on this webpage is sourced from various professional data sources. If you have any questions or concerns regarding the content, please feel free to contact service1@chemsrc.com.

4-chlorobenzylidene phthalide

Names

Chemical & Physical Properties

Safety Information

Synthetic Route

Precursor & DownStream

Customs

4-chlorobenzylidene phthalideBioassay

Synonyms

The content on this webpage is sourced from various professional data sources. If you have any questions or concerns regarding the content, please feel free to contact service1@chemsrc.com.