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5-Cyanophthalide

5-Cyanophthalide structure

CAS No.: 82104-74-3

Chemical Name:: 5-Cyanophthalide

Synonyms: 1-Oxo-1,3-dihydroisobenzofuran-5-carbonitrile;5-CyanophthaL;AR-011/4025748;5-CYANOPHTHALIDE;5-Cyano pthalide;5-Cyanophthaleine;5-Phthalidenitrile;5-Cyanophthalide,98%;5-Cyanophthalide >Citalopram Impurity 41

CBNumber:: CB0277200

Molecular Formula:: C9H5NO2

Molecular Weight:: 159.14

MDL Number:: MFCD01072882

MOL File:: 82104-74-3.mol

MSDS File:: SDS

TDS File:: TDS

Last updated:2026-05-27 17:34:36

Product description	Number	Pack Size	Price
5-Cyanophthalide 97%	647195	5g	$55.1
5-Cyanophthalide 97%	647195	25g	$261
5-Cyanophthalide >98.0%(HPLC)(N)	C2001	5g	$17
5-Cyanophthalide >98.0%(HPLC)(N)	C2001	25g	$54
5-Cyanophthalide	TRC-C982075-5G	5g	$78
More product size

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5-Cyanophthalide Properties

Melting point	201-205 °C(lit.)
Boiling point	407.5±45.0 °C(Predicted)
Density	1.36±0.1 g/cm3(Predicted)
vapor pressure	0.012Pa at 25℃
storage temp.	Sealed in dry,Room Temperature
solubility	Acetone (Slightly), Chloroform (Slightly), Methanol (Slightly)
form	Crystalline Powder
color	White to light yellow
InChI	InChI=1S/C9H5NO2/c10-4-6-1-2-8-7(3-6)5-12-9(8)11/h1-3H,5H2
InChIKey	XEEGWTLAFIZLSF-UHFFFAOYSA-N
SMILES	C1(=O)C2=C(C=C(C#N)C=C2)CO1
LogP	0.136 at 30℃ and pH5.03
Dissociation constant	0-0 at 30℃
CAS DataBase Reference	82104-74-3(CAS DataBase Reference)
UNSPSC Code	12352100
NACRES	NA.22

SAFETY

Risk and Safety Statements

Symbol(GHS)

GHS07

Signal word

Warning

Hazard statements

H302-H312-H332

Precautionary statements

P280

PPE

dust mask type N95 (US), Eyeshields, Gloves

Hazard Codes

Xn,Xi

Risk Statements

20/21/22-36/37/38

Safety Statements

36/37-36-26

RIDADR

3439

WGK Germany

HS Code

29322090

Storage Class

11 - Combustible Solids

Hazard Classifications

Acute Tox. 4 Oral

REACH Registrations

Active

NFPA 704

	0
2		0

5-Cyanophthalide price More Price(64)

Manufacturer	Product number	Product description	CAS number	Packaging	Price	Updated	Buy
Sigma-Aldrich	647195	5-Cyanophthalide 97%	82104-74-3	5g	$55.1	2026-04-30	Buy
Sigma-Aldrich	647195	5-Cyanophthalide 97%	82104-74-3	25g	$261	2026-04-30	Buy
TCI Chemical	C2001	5-Cyanophthalide >98.0%(HPLC)(N)	82104-74-3	5g	$17	2026-04-30	Buy
TCI Chemical	C2001	5-Cyanophthalide >98.0%(HPLC)(N)	82104-74-3	25g	$54	2026-04-30	Buy
TRC	TRC-C982075-5G	5-Cyanophthalide	82104-74-3	5g	$78	2026-06-03	Buy

Product number	Packaging	Price	Buy
647195	5g	$55.1	Buy
647195	25g	$261	Buy
C2001	5g	$17	Buy
C2001	25g	$54	Buy
TRC-C982075-5G	5g	$78	Buy

5-Cyanophthalide Chemical Properties,Uses,Production

Chemical Properties

White to Pale Yellow Crystalline Solid

Uses

5-Cyanophthalide is a useful synthetic intermediate.

5-Cyanophthalide synthesis

Synthesis of 5-Cyanophthalide from 265137-37-9

5-Cyanophthalide Preparation Products And Raw materials

Raw materials

Propanedinitrile, 2-methyl-2-phenyl- 5-Bromophthalide 265137-37-9 5-Isobenzofurancarboxaldehyde, 1,3-dihydro-1-oxo-, 5-oxime 1,3-dihydro-1-oxoisobenzofuran-5-carboxamide

4-Cyanopyridine N-oxide 5-Chloro-1-(3H)-Isobenzofuranone 5-IODOPHTHALIDE Thionyl chloride 5-Isobenzofurancarbonylchloride,1,3-dihydro-1-oxo-(9CI)

5-Carboxyphthalide

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Preparation Products

6-Cyanophthalide 2,6-Piperidinedione, 3-[5-(aminomethyl)-1,3-dihydro-1-oxo-2H-isoindol-2-yl]-

5-Cyanophthalide Suppliers

Global( 580)Suppliers

Supplier	Tel	Email	Country	ProdList	Advantage
Hebei Chuanghai Biotechnology Co,.LTD	+86-86-13131129325	sales1@chuanghaibio.com	China	5216	58
Henan Fengda Chemical Co., Ltd	+86-371-86557731 +86-13613820652	info@fdachem.com	China	20111	58
Henan Tianfu Chemical Co.,Ltd.	+86-0371-55170693 +86-19937530512	info@tianfuchem.com	China	21533	55
career henan chemical co	+86-0371-86658258	sales@coreychem.com	China	29766	58
Zhejiang ZETian Fine Chemicals Co. LTD	18957127338	stella@zetchem.com	China	2993	58
Jinan Finer Chemical Co., Ltd	+86-531-88989536 +86-15508631887	sales@finerchem.com	China	2949	58
CONIER CHEM AND PHARMA LIMITED		sales@conier.com	China	49906	58
SIMAGCHEM CORP	+86-5922680277 +86-13806087780	sale@simagchem.com	China	17339	58
AFINE CHEMICALS LIMITED	+86-571-85134551 +86-18958018566	info@afinechem.com	China	15057	58
Baoji Guokang Healthchem Co., Ltd.	+86-0917-3909592 +86-13892490616	gksales1@gk-bio.com	China	9037	58

Supplier	Advantage
Hebei Chuanghai Biotechnology Co,.LTD	58
Henan Fengda Chemical Co., Ltd	58
Henan Tianfu Chemical Co.,Ltd.	55
career henan chemical co	58
Zhejiang ZETian Fine Chemicals Co. LTD	58
Jinan Finer Chemical Co., Ltd	58
CONIER CHEM AND PHARMA LIMITED	58
SIMAGCHEM CORP	58
AFINE CHEMICALS LIMITED	58
Baoji Guokang Healthchem Co., Ltd.	58

View Lastest Price from 5-Cyanophthalide manufacturers

Update time	Product	Price	Min. Order	Purity	Supply Ability	Manufacturer
2026-08-20	5-Cyanophthalide 82104-74-3	$5.00	1kg	≥98%	200mt/year	Jinan Finer Chemical Co., Ltd
2026-08-20	5-Cyanophthalide 82104-74-3	$8.00	1KG	99%		Henan Fengda Chemical Co., Ltd
2026-06-30	5-Cyanophthalide 82104-74-3		1kg	98%	1000kgs	Shaanxi Dideu New Materials Co. Ltd

5-Cyanophthalide
82104-74-3
$5.00
≥98%
Jinan Finer Chemical Co., Ltd

5-Cyanophthalide
82104-74-3
$8.00
99%
Henan Fengda Chemical Co., Ltd

5-Cyanophthalide
82104-74-3
$0.00
98%
Shaanxi Dideu New Materials Co. Ltd

5-Cyanophthalide Spectrum

5-Cyanophthalide(82104-74-3)¹HNMR

82104-74-3(5-Cyanophthalide)Related Search:

Dihydromyrcenol Furo[3,4-b]pyridin-5(7H)-one Tetrahydrofuran Benzofuran Ethyl isocyanoacetate

Methylene dithiocyanate ETHYL 2-CYANOACRYLATE Sodium cyanoborohydride Methyl 4-cyanobenzoate N-(2-Amino-4,6-dichloro-5-pyrimidinyl)formamide

1-(4-fluorophenyl)-1,3-dihydro-1-[3-(methylamino)propyl]isobenzofuran-5-carbonitrile DIDESMETHYL CITALOPRAM-D4 Citalopram-D6 HBr 4-Cyanobenzoic acid 4-Chlorobenzaldehyde

6-Cyanophthalide Phthalide 2-Phenylacetoacetonitrile

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5-CYANO-3H-ISOBENZOFURANONE 5-CYANOPHTHALIDE 1,3-DIHYDRO-1-OXO-5-ISOBENZOFURANCARBONITRILE 1,3-DIHYDRO-1-OXOISOBENZOFURAN-5-CARBONITRILE 5-CyanophthaL 1-oxo-3H-isobenzofuran-5-carbonitrile Citalopram Related Compound V 1-OXO-1,3-DIHYDRO-2-BENZOFURAN-5-CARBONITRILE 5-CYANO- PHTHALIDE/1-(4-FLUOROPHENYL)-1,3-DIHYROSOBENZOFURAN-5-CARBONITRILE 5-Cyanophthaleine 5-Phthalidenitrile 1,3-Dihydro-1-oxo-5-isobenzofurancarbonitrile, 5-Cyano-3H-isobenzofuranone 5-Cyanophthalide,98% EscitalopraM interMediate C 5-Isobenzofurancarbonitrile, 1,3-dihydro-1-oxo 5-Cyano Phthalide, CAS No. 82104-74-3 (Used in Manufacture of Citalopram & Escitalopram) 5-Cyanophthalide > 5-Cyano pthalide 82104-74-3 5-Cyanophthalide AR-011/4025748 XEEGWTLAFIZLSF-UHFFFAOYSA-N Citalopram Impurity 41 1-Oxo-1,3-dihydroisobenzofuran-5-carbonitrile 82104-74-3 82104-74-4 C9H5NO2 Phthalides INTERMEDIATESOFCITALOPRAM API intermediates Aromatics Compounds Aromatics Miscellaneous Reagents J's bc0001