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ChemicalBook >> CAS DataBase List >> PENTACYCLO[5.4.0(2,6).0(3,10).0(5,9)]UNDECANE-8,11-DIONE

PENTACYCLO[5.4.0(2,6).0(3,10).0(5,9)]UNDECANE-8,11-DIONE

PENTACYCLO[5.4.0(2,6).0(3,10).0(5,9)]UNDECANE-8,11-DIONE price.
  • $22 - $1080
  • Product name: PENTACYCLO[5.4.0(2,6).0(3,10).0(5,9)]UNDECANE-8,11-DIONE
  • CAS: 2958-72-7
  • MF: C11H10O2
  • MW: 174.2
  • EINECS:
  • MDL Number:MFCD00213400
  • Synonyms:PENTACYCLO[5.4.0(2,6).0(3,10).0(5,9)]UNDECANE-8,11-DIONE;6).0(3,10).0(5,9))-undecane-pentacyclo(5.4.0.0( ;hexahydro-1,2,4-ethanylidene-1H-cyclobuta[cd]pentalene-5,7[1aH]-dione ;Pentacyclo[5.4.0.0(2,6).0(3,10).0(5,9)]undecane-8,11-dione;pentacyclo(5.4.0.0(2,6).0(3,10).0(5,9))-undecane-;pentacycloundecanedione;WTUFOKOJVXNYTJ-MFAOOUEMSA-N;1,2,4-Ethanylylidene-1H-cyclobuta[cd]pentalene-5,7(1aH)-dione, hexahydro-
Price13 Properties Safety Information Description
13 prices
Selected condition：
Brand
  • aablocks
  • ACHEMBLOCK
  • AK Scientific
  • American Custom Chemicals Corporation
  • Matrix Scientific
  • Sigma-Aldrich
  • TRC
Package
  • 100mg
  • 250mg
  • 250.00mg
  • 1.00g
  • 1g
  • 5.00g
  • 5G
  • 10g
  • 25G
  • 1 unit
  • Manufactureraablocks
  • Product numberAA002YQO
  • Product descriptionPentacyclo[5.4.0.02,6.03,10.05,9]undecane-8,11-dione 95%
  • Packaging250mg
  • Price$22
  • Updated2026-05-28
  • Buy
  • Manufactureraablocks
  • Product numberAA002YQO
  • Product descriptionPentacyclo[5.4.0.02,6.03,10.05,9]undecane-8,11-dione 95%
  • Packaging1g
  • Price$45
  • Updated2026-05-28
  • Buy
  • ManufacturerACHEMBLOCK
  • Product numberP45802
  • Product descriptionoctahydro-5H-2,4,1-(epiethane[1,1,2]triyl)cyclobuta[cd]pentalene-5,7-dione 97%
  • Packaging5G
  • Price$270
  • Updated2026-05-27
  • Buy
  • ManufacturerACHEMBLOCK
  • Product numberP45802
  • Product descriptionoctahydro-5H-2,4,1-(epiethane[1,1,2]triyl)cyclobuta[cd]pentalene-5,7-dione 97%
  • Packaging25G
  • Price$1080
  • Updated2026-05-27
  • Buy
  • ManufacturerAK Scientific
  • Product number1386AQ
  • Product descriptionPentacyclo[5.4.0.02,6.03,10.05,9]undecane-8,11-dione
  • Packaging10g
  • Price$405
  • Updated2021-12-16
  • Buy
  • ManufacturerAmerican Custom Chemicals Corporation
  • Product numberCHM0124145
  • Product descriptionPENTACYCLO[5.4.0.0(2,6).0(3,10).0(5,9)]UNDECANE-8,11-DIONE 95.00%
  • Packaging1G
  • Price$619.7
  • Updated2021-12-16
  • Buy
  • ManufacturerMatrix Scientific
  • Product number305277
  • Product descriptionPentacyclo[5.4.0.02,6.03,10.05,9]undecane-8,11-dione
  • Packaging1.00g
  • Price$74
  • Updated2026-05-19
  • Buy
  • ManufacturerMatrix Scientific
  • Product number305277
  • Product descriptionPentacyclo[5.4.0.02,6.03,10.05,9]undecane-8,11-dione
  • Packaging5.00g
  • Price$248
  • Updated2026-05-19
  • Buy
  • ManufacturerMatrix Scientific
  • Product number305277
  • Product descriptionPentacyclo[5.4.0.02,6.03,10.05,9]undecane-8,11-dione
  • Packaging250.00mg
  • Price$32
  • Updated2026-05-19
  • Buy
  • ManufacturerSigma-Aldrich
  • Product numberS446033
  • Product descriptionPENTACYCLO(6.2.1.O2,7.O4,10.05.9)UNDECANE-3,6-DIONE AldrichCPR
  • Packaging1 unit
  • Price$32.7
  • Updated2026-04-30
  • Buy
  • ManufacturerSigma-Aldrich
  • Product numberS446033
  • Product descriptionPENTACYCLO(6.2.1.O2,7.O4,10.05.9)UNDECANE-3,6-DIONE AldrichCPR
  • Packaging1G
  • Price$29.8
  • Updated2024-03-01
  • Buy
  • ManufacturerSigma-Aldrich
  • Product number309575
  • Product descriptionPentacyclo[5.4.0.02,6.03,10.05,9]undecane-8,11-dione 98%
  • Packaging10g
  • Price$327
  • Updated2023-01-07
  • Buy
  • ManufacturerTRC
  • Product numberB510700
  • Product descriptionpentacyclo[5.4.0.0^{2,6}.0^{3,10}.0^{5,9}]undecane-8,11-dione
  • Packaging100mg
  • Price$45
  • Updated2021-12-16
  • Buy
Manufacturer Product number Product description Packaging Price Updated Buy
aablocks AA002YQO Pentacyclo[5.4.0.02,6.03,10.05,9]undecane-8,11-dione 95% 250mg $22 2026-05-28 Buy
aablocks AA002YQO Pentacyclo[5.4.0.02,6.03,10.05,9]undecane-8,11-dione 95% 1g $45 2026-05-28 Buy
ACHEMBLOCK P45802 octahydro-5H-2,4,1-(epiethane[1,1,2]triyl)cyclobuta[cd]pentalene-5,7-dione 97% 5G $270 2026-05-27 Buy
ACHEMBLOCK P45802 octahydro-5H-2,4,1-(epiethane[1,1,2]triyl)cyclobuta[cd]pentalene-5,7-dione 97% 25G $1080 2026-05-27 Buy
AK Scientific 1386AQ Pentacyclo[5.4.0.02,6.03,10.05,9]undecane-8,11-dione 10g $405 2021-12-16 Buy
American Custom Chemicals Corporation CHM0124145 PENTACYCLO[5.4.0.0(2,6).0(3,10).0(5,9)]UNDECANE-8,11-DIONE 95.00% 1G $619.7 2021-12-16 Buy
Matrix Scientific 305277 Pentacyclo[5.4.0.02,6.03,10.05,9]undecane-8,11-dione 1.00g $74 2026-05-19 Buy
Matrix Scientific 305277 Pentacyclo[5.4.0.02,6.03,10.05,9]undecane-8,11-dione 5.00g $248 2026-05-19 Buy
Matrix Scientific 305277 Pentacyclo[5.4.0.02,6.03,10.05,9]undecane-8,11-dione 250.00mg $32 2026-05-19 Buy
Sigma-Aldrich S446033 PENTACYCLO(6.2.1.O2,7.O4,10.05.9)UNDECANE-3,6-DIONE AldrichCPR 1 unit $32.7 2026-04-30 Buy
Sigma-Aldrich S446033 PENTACYCLO(6.2.1.O2,7.O4,10.05.9)UNDECANE-3,6-DIONE AldrichCPR 1G $29.8 2024-03-01 Buy
Sigma-Aldrich 309575 Pentacyclo[5.4.0.02,6.03,10.05,9]undecane-8,11-dione 98% 10g $327 2023-01-07 Buy
TRC B510700 pentacyclo[5.4.0.0^{2,6}.0^{3,10}.0^{5,9}]undecane-8,11-dione 100mg $45 2021-12-16 Buy

Properties

Melting point :240-242 °C(lit.)
Boiling point :265.17°C (rough estimate)
Density :1.0844 (rough estimate)
refractive index :1.5250 (estimate)
storage temp. :Store at 0-8 °C
InChI :1S/C11H10O2/c12-10-6-2-1-3-5-4(2)8(10)9(5)11(13)7(3)6/h2-9H,1H2/t2-,3+,4-,5+,6-,7-,8-,9-/m1/s1
InChIKey :WTUFOKOJVXNYTJ-MFAOOUEMSA-N
SMILES :O=C1[C@H]2[C@@H]3C[C@H]4[C@H]5[C@@H]3[C@@H]1[C@H]5C(=O)[C@@H]24

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.
P264 Wash hands thoroughly after handling.
P264 Wash skin thouroughly after handling.
P271 Use only outdoors or in a well-ventilated area.
P280 Wear protective gloves/protective clothing/eye protection/face protection.
P302+P352 IF ON SKIN: wash with plenty of soap and water.
P304+P340 IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing.
P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.
P312 Call a POISON CENTER or doctor/physician if you feel unwell.
P321 Specific treatment (see … on this label).
P332+P313 IF SKIN irritation occurs: Get medical advice/attention.
P337+P313 IF eye irritation persists: Get medical advice/attention.
P362 Take off contaminated clothing and wash before reuse.
P403+P233 Store in a well-ventilated place. Keep container tightly closed.
P405 Store locked up.
P501 Dispose of contents/container to..…

Description

Pentacyclo[5.4.0.02,6.03,10.05,9]undecane-8,11-dione was used in the synthesis of 8,11-dihydroxy-pentacyclo[5.4.0.02,6.03,10.05,9]undecane-8,11-lactam by reacting with aqueous sodium cyanide.

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Suppliers and manufacturers

Aladdin Scientific Energy Chemical Sigma-Aldrich Shanghai Tube Pharmaceutical Co., Ltd. Suzhou Skenoson Biological Technology Co. LTD Jiangsu Aikon Biopharmaceutical R&D Co.,Ltd. Merck KGaA Santa Cruz Biotechnology Inc Shenzhen 10:30 Trading Co., Ltd. Guangzhou Yiran Biotechnology Co., Ltd.