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

CAS No.
2958-72-7
Chemical Name:
Pentacyclo[5.4.0(2,6).0(3,10).0(5,9)]undecane-8,11-dione
Synonyms
pentacycloundecanedione;WTUFOKOJVXNYTJ-MFAOOUEMSA-N;6).0(3,10).0(5,9))-undecane-pentacyclo(5.4.0.0(;pentacyclo(5.4.0.0(2,6).0(3,10).0(5,9))-undecane-;PENTACYCLO(6.2.1.O2,7.O4,10.05.9)UNDECANE-3,6-DIONE;Pentacyclo[5.4.0(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-8,11-dione;hexahydro-1,2,4-ethanylidene-1H-cyclobuta[cd]pentalene-5,7[1aH]-dione;Hexahydro-1,2,4-ethanylylidene-1H-cyclobuta[cd]pentalene-5,7(1aH)-dione;1,2,4-Ethanylylidene-1H-cyclobuta[cd]pentalene-5,7(1aH)-dione, hexahydro-
CBNumber:
CB4779010
Molecular Formula:
C11H10O2
Molecular Weight:
174.2
MDL Number:
MFCD00213400
MOL File:
2958-72-7.mol
MSDS File:
SDS
TDS File:
TDS
Last updated:2026-09-12 18:52:58

Pentacyclo[5.4.0(2,6).0(3,10).0(5,9)]undecane-8,11-dione 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
UNSPSC Code 12352100
NACRES NA.22

SAFETY

Risk and Safety Statements

Symbol(GHS)  Exclamation Mark (GHS07)
GHS07
Signal word  Warning
Hazard statements  H315-H319-H335
Precautionary statements  P264-P280-P302+P352-P321-P332+P313-P362-P305+P351+P338-P337+P313-P261-P271-P304+P340-P312-P403+P233-P405-P501
PPE Eyeshields, Gloves, type N95 (US)
WGK Germany  3
Storage Class 11 - Combustible Solids

Pentacyclo[5.4.0(2,6).0(3,10).0(5,9)]undecane-8,11-dione price More Price(13)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich S446033 PENTACYCLO(6.2.1.O2,7.O4,10.05.9)UNDECANE-3,6-DIONE AldrichCPR 2958-72-7 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 2958-72-7 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% 2958-72-7 10g $327 2023-01-07 Buy
Matrix Scientific 305277 Pentacyclo[5.4.0.02,6.03,10.05,9]undecane-8,11-dione 2958-72-7 250.00mg $32 2026-05-19 Buy
Matrix Scientific 305277 Pentacyclo[5.4.0.02,6.03,10.05,9]undecane-8,11-dione 2958-72-7 1.00g $74 2026-05-19 Buy
Product number Packaging Price Buy
S446033 1 unit $32.7 Buy
S446033 1G $29.8 Buy
309575 10g $327 Buy
305277 250.00mg $32 Buy
305277 1.00g $74 Buy

Pentacyclo[5.4.0(2,6).0(3,10).0(5,9)]undecane-8,11-dione Chemical Properties, Uses, Production

Uses

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.

Pentacyclo[5.4.0(2,6).0(3,10).0(5,9)]undecane-8,11-dione Preparation Products And Raw materials

Pentacyclo[5.4.0(2,6).0(3,10).0(5,9)]undecane-8,11-dione Suppliers

Global Suppliers ( 15)
Supplier Tel Email Country ProdList Advantage
Energy Chemical 400-0056266 sales8178@energy-chemical.com China 44850 61
Sigma-Aldrich 021-61415566 800-8193336 orderCN@merckgroup.com China 51389 80
Shanghai Tube Pharmaceutical Co., Ltd. 021-54338626 18017892860 sales@tubepharm.com China 2709 58
Suzhou Skenoson Biological Technology Co. LTD 19951323309 1158718798@qq.com China 352 58
Jiangsu Aikon Biopharmaceutical R&D Co.,Ltd. 025-66061636 19370895928 qqyang@aikonchem.com China 9995 58
Aladdin Scientific tp@aladdinsci.com United States 50089 58
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- Hexahydro-1,2,4-ethanylylidene-1H-cyclobuta[cd]pentalene-5,7(1aH)-dione Pentacyclo[5.4.0.02,6.03,10.05,9]undecane-8,11-dione PENTACYCLO(6.2.1.O2,7.O4,10.05.9)UNDECANE-3,6-DIONE octahydro-2h-3,5,1-(epiethane[1,1,2]triyl)cyclobuta[cd]pentalene-2,7-dione Pentacyclo[5.4.0(2,6).0(3,10).0(5,9)]undecane-8,11-dione 2958-72-7 Building Blocks Carbonyl Compounds C11 to C12 Ketones Organic Building Blocks C11 to C12 Carbonyl Compounds Ketones