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3-Chlorophthalic Anhydride - 95%, high purity , CAS No.117-21-5

1 Citations

COA

Grade & Purity:

≥95%

Cas Number: 117-21-5
Molecular Weight: 182.56
MDL number: MFCD00023107
PubChem CID: 67014
PubChem SID: 488183887

In stock

Item Number

C299785

Grouped product items
SKU	Size	Availability	Price
C299785-1g	1g	2	$9.90
C299785-5g	5g	2	$20.90
C299785-25g	25g	2	$18.90
C299785-100g	100g	3	$30.90
C299785-500g	500g	Available within 4-8 weeks(?) Items will be manufactured post-order and can take 4-8 weeks. Thank you for your patience!	$119.90

View related series

Carbonyl compound (2335) Carboxylic anhydride (130)

Basic Description

Synonyms	UNII-VO7NXT0137 \| A803737 \| Q4634121 \| chlorophthalic anhydride \| FS-1337 \| UERPUZBSSSAZJE-UHFFFAOYSA-N \| NSC 122937 \| EINECS 204-179-8 \| NSC122937 \| NSC-122937 \| VO7NXT0137 \| SY001001 \| 4-chloro-2-benzofuran-1,3-dione \| 3-chlorophthalic acid anhydride \|
Specifications & Purity	≥95%
Storage Temp	Room temperature,Argon charged
Shipped In	Normal

Taxonomic Classification

Taxonomy Tree

Kingdom Organic compounds
- Superclass Organoheterocyclic compounds
  - Class Benzofurans
    - Subclass Benzofuranones

Kingdom	Organic compounds
Superclass	Organoheterocyclic compounds
Class	Benzofurans
Subclass	Benzofuranones
Intermediate Tree Nodes	Not available
Direct Parent	Phthalic anhydrides
Alternative Parents	Isobenzofuranones Dicarboxylic acids and derivatives Benzenoids Aryl chlorides Vinylogous halides Carboxylic acid anhydrides Oxacyclic compounds Organooxygen compounds Organochlorides Organic oxides Hydrocarbon derivatives
Molecular Framework	Aromatic heteropolycyclic compounds
Substituents	Phthalic anhydride - Phthalic_anhydride - Isobenzofuranone - Isocoumaran - Aryl chloride - Aryl halide - Dicarboxylic acid or derivatives - Benzenoid - Carboxylic acid anhydride - Vinylogous halide - Carboxylic acid derivative - Oxacycle - Organohalogen compound - Organic oxygen compound - Hydrocarbon derivative - Organic oxide - Organochloride - Organooxygen compound - Aromatic heteropolycyclic compound
Description	This compound belongs to the class of organic compounds known as phthalic anhydrides. These are compounds containing a phthalic anhydride moiety (or a derivative thereof), which consists of a benzene fused to a furan-1,3-dione.
External Descriptors	Not available
1. Djoumbou Feunang Y, Eisner R, Knox C, Chepelev L, Hastings J, Owen G, Fahy E, Steinbeck C, Subramanian S, Bolton E, Greiner R, and Wishart DS. ClassyFire: Automated Chemical Classification With A Comprehensive, Computable Taxonomy. Journal of Cheminformatics, 2016, 8:61. DOI: 10.1186/s13321-016-0174-y

Names and Identifiers

Pubchem Sid	488183887
Pubchem Sid Url	https://pubchem.ncbi.nlm.nih.gov/substance/488183887
IUPAC Name	4-chloro-2-benzofuran-1,3-dione
INCHI	InChI=1S/C8H3ClO3/c9-5-3-1-2-4-6(5)8(11)12-7(4)10/h1-3H
InChIKey	UERPUZBSSSAZJE-UHFFFAOYSA-N
Smiles	C1=CC2=C(C(=C1)Cl)C(=O)OC2=O
Isomeric SMILES	C1=CC2=C(C(=C1)Cl)C(=O)OC2=O
Molecular Weight	182.56
Reaxy-Rn	135788
Reaxys-RN_link_address	https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=135788&ln=

Certificates（CoA,COO,BSE/TSE and Analysis Chart)

C of A & Other Certificates(BSE/TSE, COO):

Analytical Chart:

Find and download the COA for your product by matching the lot number on the packaging.

14 results found

Lot Number	Certificate Type	Date	Item
F2517381	Certificate of Analysis	Jun 07, 2025	C299785
F2517382	Certificate of Analysis	Jun 07, 2025	C299785
F2517383	Certificate of Analysis	Jun 07, 2025	C299785
F2517384	Certificate of Analysis	Jun 07, 2025	C299785
F2517385	Certificate of Analysis	Jun 07, 2025	C299785
B23071040	Certificate of Analysis	Nov 08, 2024	C299785
B23071038	Certificate of Analysis	Nov 08, 2024	C299785
B23071032	Certificate of Analysis	Nov 08, 2024	C299785
B2307831	Certificate of Analysis	Nov 08, 2024	C299785
B23071041	Certificate of Analysis	Nov 07, 2022	C299785
B23071037	Certificate of Analysis	Nov 07, 2022	C299785
B23071039	Certificate of Analysis	Nov 07, 2022	C299785
B2307924	Certificate of Analysis	Nov 07, 2022	C299785
B2307878	Certificate of Analysis	Nov 07, 2022	C299785

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Chemical and Physical Properties

Sensitivity	Moisture sensitive
Boil Point(°C)	170 °C
Melt Point(°C)	128 °C
Molecular Weight	182.560 g/mol
XLogP3	1.900
Hydrogen Bond Donor Count	0
Hydrogen Bond Acceptor Count	3
Rotatable Bond Count	0
Exact Mass	181.977 Da
Monoisotopic Mass	181.977 Da
Topological Polar Surface Area	43.400 Å²
Heavy Atom Count	12
Formal Charge	0
Complexity	238.000
Isotope Atom Count	0
Defined Atom Stereocenter Count	0
Undefined Atom Stereocenter Count	0
Defined Bond Stereocenter Count	0
Undefined Bond Stereocenter Count	0
The total count of all stereochemical bonds	0
Covalently-Bonded Unit Count	1

Citations of This Product

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