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ChemicalBook >> CAS DataBase List >> 1-CYCLOPENTENE-1,2-DICARBOXYLIC ANHYDRIDE

1-CYCLOPENTENE-1,2-DICARBOXYLIC ANHYDRIDE

1-CYCLOPENTENE-1,2-DICARBOXYLIC ANHYDRIDE price.
  • $139 - $2599
  • Product name: 1-CYCLOPENTENE-1,2-DICARBOXYLIC ANHYDRIDE
  • CAS: 3205-94-5
  • MF: C7H6O3
  • MW: 138.12
  • EINECS:
  • MDL Number:MFCD00013330
  • Synonyms:1-CYCLOPENTENE-1,2-DICARBOXYLIC ANHYDRIDE;Cyclopentene-1,2-dicarboxylic acid anhydride;4,5,6,6a-Tetrahydro-1H-cyclopenta[c]furan-1,3(3aH)-dione;5,6-dihydro-4H-cyclopenta[c]furan-1,3-dione;5,6-dihydro-4H-cyclopenta[c]furan-1,3-quinone;NSC 291644;1-Cyclopentene-1,2-dicarboxylic anhydride 96%;1H，3H，4H，5H，6H-Cyclopenta[c]furan-1,3-dione
Price26 Properties Safety Information Description
26 prices
Selected condition：
Brand
  • aablocks
  • ACHEMBLOCK
  • AHH
  • AK Scientific
  • Alichem
  • American Custom Chemicals Corporation
  • Biosynth
  • Chemenu
  • Crysdot
Package
  • 50mg
  • 100mg
  • 250mg
  • 500mg
  • 1g
  • 2.5g
  • 5g
  • 10g
  • Manufactureraablocks
  • Product numberAA003E6J
  • Product description5,6-Dihydro-1H-cyclopenta[c]furan-1,3(4H)-dione 95.00%
  • Packaging50mg
  • Price$139
  • Updated2026-05-28
  • Buy
  • Manufactureraablocks
  • Product numberAA003E6J
  • Product description5,6-Dihydro-1H-cyclopenta[c]furan-1,3(4H)-dione 95.00%
  • Packaging100mg
  • Price$188
  • Updated2026-05-28
  • Buy
  • Manufactureraablocks
  • Product numberAA003E6J
  • Product description5,6-Dihydro-1H-cyclopenta[c]furan-1,3(4H)-dione 98%
  • Packaging250mg
  • Price$248
  • Updated2026-05-28
  • Buy
  • Manufactureraablocks
  • Product numberAA003E6J
  • Product description5,6-Dihydro-1H-cyclopenta[c]furan-1,3(4H)-dione 95.00%
  • Packaging500mg
  • Price$372
  • Updated2026-05-28
  • Buy
  • Manufactureraablocks
  • Product numberAA003E6J
  • Product description5,6-Dihydro-1H-cyclopenta[c]furan-1,3(4H)-dione 95.00%
  • Packaging1g
  • Price$464
  • Updated2026-05-28
  • Buy
  • Manufactureraablocks
  • Product numberAA003E6J
  • Product description5,6-Dihydro-1H-cyclopenta[c]furan-1,3(4H)-dione 95.00%
  • Packaging2.5g
  • Price$795
  • Updated2026-05-28
  • Buy
  • Manufactureraablocks
  • Product numberAA003E6J
  • Product description5,6-Dihydro-1H-cyclopenta[c]furan-1,3(4H)-dione 95.00%
  • Packaging5g
  • Price$1347
  • Updated2026-05-28
  • Buy
  • Manufactureraablocks
  • Product numberAA003E6J
  • Product description5,6-Dihydro-1H-cyclopenta[c]furan-1,3(4H)-dione 95.00%
  • Packaging10g
  • Price$2599
  • Updated2026-05-28
  • Buy
  • ManufacturerACHEMBLOCK
  • Product numberS76124
  • Product description1H,3H,4H,5H,6H-cyclopenta[c]furan-1,3-dione 97%
  • Packaging5G
  • Price$1090
  • Updated2026-05-25
  • Buy
  • ManufacturerACHEMBLOCK
  • Product numberS76124
  • Product description1H,3H,4H,5H,6H-cyclopenta[c]furan-1,3-dione 97%
  • Packaging5G
  • Price$1090
  • Updated2026-05-27
  • Buy
  • ManufacturerACHEMBLOCK
  • Product numberS76124
  • Product description1H,3H,4H,5H,6H-cyclopenta[c]furan-1,3-dione 97%
  • Packaging1G
  • Price$360
  • Updated2026-05-25
  • Buy
  • ManufacturerACHEMBLOCK
  • Product numberS76124
  • Product description1H,3H,4H,5H,6H-cyclopenta[c]furan-1,3-dione 97%
  • Packaging1G
  • Price$360
  • Updated2026-05-27
  • Buy
  • ManufacturerAHH
  • Product numberMT-07296
  • Product description1-Cyclopentene-1,2-dicarboxylic anhydride 96%
  • Packaging10g
  • Price$772
  • Updated2021-12-16
  • Buy
  • ManufacturerAHH
  • Product numberMT-07296
  • Product description1-Cyclopentene-1,2-dicarboxylic anhydride 97%
  • Packaging10g
  • Price$772
  • Updated2026-05-25
  • Buy
  • ManufacturerAHH
  • Product numberMT-07296
  • Product description1-Cyclopentene-1,2-dicarboxylic anhydride 97%
  • Packaging10g
  • Price$772
  • Updated2026-05-26
  • Buy
  • ManufacturerAK Scientific
  • Product number0617AQ
  • Product description1-Cyclopentene-1,2-dicarboxylic anhydride
  • Packaging1g
  • Price$393
  • Updated2021-12-16
  • Buy
Manufacturer Product number Product description Packaging Price Updated Buy
aablocks AA003E6J 5,6-Dihydro-1H-cyclopenta[c]furan-1,3(4H)-dione 95.00% 50mg $139 2026-05-28 Buy
aablocks AA003E6J 5,6-Dihydro-1H-cyclopenta[c]furan-1,3(4H)-dione 95.00% 100mg $188 2026-05-28 Buy
aablocks AA003E6J 5,6-Dihydro-1H-cyclopenta[c]furan-1,3(4H)-dione 98% 250mg $248 2026-05-28 Buy
aablocks AA003E6J 5,6-Dihydro-1H-cyclopenta[c]furan-1,3(4H)-dione 95.00% 500mg $372 2026-05-28 Buy
aablocks AA003E6J 5,6-Dihydro-1H-cyclopenta[c]furan-1,3(4H)-dione 95.00% 1g $464 2026-05-28 Buy
aablocks AA003E6J 5,6-Dihydro-1H-cyclopenta[c]furan-1,3(4H)-dione 95.00% 2.5g $795 2026-05-28 Buy
aablocks AA003E6J 5,6-Dihydro-1H-cyclopenta[c]furan-1,3(4H)-dione 95.00% 5g $1347 2026-05-28 Buy
aablocks AA003E6J 5,6-Dihydro-1H-cyclopenta[c]furan-1,3(4H)-dione 95.00% 10g $2599 2026-05-28 Buy
ACHEMBLOCK S76124 1H,3H,4H,5H,6H-cyclopenta[c]furan-1,3-dione 97% 5G $1090 2026-05-25 Buy
ACHEMBLOCK S76124 1H,3H,4H,5H,6H-cyclopenta[c]furan-1,3-dione 97% 5G $1090 2026-05-27 Buy
ACHEMBLOCK S76124 1H,3H,4H,5H,6H-cyclopenta[c]furan-1,3-dione 97% 1G $360 2026-05-25 Buy
ACHEMBLOCK S76124 1H,3H,4H,5H,6H-cyclopenta[c]furan-1,3-dione 97% 1G $360 2026-05-27 Buy
AHH MT-07296 1-Cyclopentene-1,2-dicarboxylic anhydride 96% 10g $772 2021-12-16 Buy
AHH MT-07296 1-Cyclopentene-1,2-dicarboxylic anhydride 97% 10g $772 2026-05-25 Buy
AHH MT-07296 1-Cyclopentene-1,2-dicarboxylic anhydride 97% 10g $772 2026-05-26 Buy
AK Scientific 0617AQ 1-Cyclopentene-1,2-dicarboxylic anhydride 1g $393 2021-12-16 Buy
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Properties

Melting point :42-45 °C (lit.)
Boiling point :133-135 °C/10 mmHg (lit.)
Density :1.2667 (rough estimate)
refractive index :n20/D 1.4978(lit.)
Flash point :>230 °F
storage temp. :under inert gas (nitrogen or Argon) at 2-8°C
form :solid
Appearance :Colorless to off-white Solid-liquid mixture
BRN :123650
InChI :1S/C7H6O3/c8-6-4-2-1-3-5(4)7(9)10-6/h1-3H2
InChIKey :GBBPFLCLIBNHQO-UHFFFAOYSA-N
SMILES :O=C1OC(=O)C2=C1CCC2

Safety Information

Symbol(GHS): Exclamation Mark (GHS07)
Signal word: Warning
Hazard statements:
Code Hazard statements Hazard class Category Signal word Pictogram P-Codes
H315 Causes skin irritation Skin corrosion/irritation Category 2 Warning P264, P280, P302+P352, P321,P332+P313, P362
H319 Causes serious eye irritation Serious eye damage/eye irritation Category 2A Warning P264, P280, P305+P351+P338,P337+P313P
H335 May cause respiratory irritation Specific target organ toxicity, single exposure;Respiratory tract irritation Category 3 Warning
Precautionary statements:
P261 Avoid breathing dust/fume/gas/mist/vapours/spray.
P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

Description

A valuable Diels-Alder dienophile, for example, in approach to the bicycloundecane system in taxanes.

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Suppliers and manufacturers

Hebei Chuanghai Biotechnology Co., Ltd
1-CYCLOPENTENE-1,2-DICARBOXYLIC ANHYDRIDE
$10.00
1-CYCLOPENTENE-1,2-DICARBOXYLIC ANHYDRIDE CAS:3205-94-5
Shaanxi Dideu New Materials Co. Ltd
1-CYCLOPENTENE-1,2-DICARBOXYLIC ANHYDRIDE
1-CYCLOPENTENE-1,2-DICARBOXYLIC ANHYDRIDE CAS:3205-94-5
CONIER CHEM AND PHARMA LIMITED
Zhengzhou Alfa Chemical Co.,Ltd
Changzhou Guiding Bio-Tech. Co.,Ltd.
Alfa Chemistry
PT CHEM GROUP LIMITED
Aladdin Scientific
Suzhou ARTK Medchem Co., Ltd.
DAYANG CHEM (HANGZHOU) CO.,LTD