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ChemicalBook >> CAS DataBase List >> 6,6-Dimethyl-5,7-dioxaspiro[2.5]octane-4,8-dione

6,6-Dimethyl-5,7-dioxaspiro[2.5]octane-4,8-dione

$10 - $1693
Product name: 6,6-Dimethyl-5,7-dioxaspiro[2.5]octane-4,8-dione
CAS: 5617-70-9
MF: C8H10O4
MW: 170.16
EINECS:227-044-5
MDL Number:MFCD00042796
Synonyms:CYCL-ISOPROPYLIDENE CYCLOPROPANE-1,1-DICARBOXYLATE;CYCLOPROPANE-1,1-DICARBOXYLIC ACID CYCL-ISOPROPYLIDENE ESTER;CYCLOPROPANE-1,1-DICARBOXYLIC ACID CYCLOISOPROPYLIDENE ESTER;1,1-Cyclopropanedicarboxylic acid cycl-isopropylidene ester~cycl-Isopropylidene 1,1-cyclopropanedicarboxylate;CYCLOPROPYL MELDRUM'S ACID;Danishefsky's reagent;CYCLOPROPANE-1,1-DICARBOXYLIC ACID CYCL-ISOPRYLIDENE ESTER;Cyclopropane-1,1-dicarboxylic acid cyclic-isopropylidene ester

Price48 Properties Safety Information Description

48 prices

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Brand

aablocks
Activate Scientific
AHH
AK Scientific
American Custom Chemicals Corporation
Apolloscientific
Biosynth
Chemenu
Chem-Impex
Crysdot
Heterocyclics
Medical Isotopes, Inc.
Sigma-Aldrich
SynQuest Laboratories
Synthonix
TCI Chemical
Thermo Scientific Chemicals
TRC
Usbiological

Package

200mg
1g
5g
10G
25g
50g
100g
250G

Manufactureraablocks
Product numberAA00D8FM
Product description6,6-Dimethyl-5,7-Dioxaspiro[2.5]Octane-4,8-Dione ≥98%(GC)
Packaging200mg
Price$10
Updated2026-05-28
Buy

Manufactureraablocks
Product numberAA00D8FM
Product description6,6-Dimethyl-5,7-Dioxaspiro[2.5]Octane-4,8-Dione 98%
Packaging1g
Price$16
Updated2026-05-28
Buy

Manufactureraablocks
Product numberAA00D8FM
Product description6,6-Dimethyl-5,7-Dioxaspiro[2.5]Octane-4,8-Dione 98%
Packaging5g
Price$21
Updated2026-05-28
Buy

Manufactureraablocks
Product numberAA00D8FM
Product description6,6-Dimethyl-5,7-Dioxaspiro[2.5]Octane-4,8-Dione 97%
Packaging25g
Price$46
Updated2026-05-28
Buy

Manufactureraablocks
Product numberAA00D8FM
Product description6,6-Dimethyl-5,7-Dioxaspiro[2.5]Octane-4,8-Dione 97%
Packaging100g
Price$137
Updated2026-05-28
Buy

ManufacturerActivate Scientific
Product numberAS9860
Product description6,6-Dimethyl-5,7-dioxaspiro[2.5]octane-4,8-dione 95+%
Packaging5G
Price$67
Updated2021-12-16
Buy

ManufacturerActivate Scientific
Product numberAS9860
Product description6,6-Dimethyl-5,7-dioxaspiro[2.5]octane-4,8-dione 95+%
Packaging25g
Price$304
Updated2021-12-16
Buy

ManufacturerAHH
Product numberMT-10631
Product description6,6-Dimethyl-5,7-dioxaspiro[2.5]octane-4,8-dione 97%
Packaging50g
Price$446
Updated2026-05-26
Buy

ManufacturerAK Scientific
Product numberV6632
Product description6,6-Dimethyl-5,7-Dioxaspiro[2.5]Octane-4,8-Dione
Packaging5g
Price$111
Updated2021-12-16
Buy

ManufacturerAmerican Custom Chemicals Corporation
Product numberCHM0012942
Product description6,6-DIMETHYL-5,7-DIOXASPIRO[2.5]OCTANE-4,8-DIONE 95.00%
Packaging1G
Price$630.55
Updated2021-12-16
Buy

ManufacturerAmerican Custom Chemicals Corporation
Product numberCHM0012942
Product description6,6-DIMETHYL-5,7-DIOXASPIRO[2.5]OCTANE-4,8-DIONE 95.00%
Packaging5G
Price$864.08
Updated2021-12-16
Buy

ManufacturerAmerican Custom Chemicals Corporation
Product numberCHM0012942
Product description6,6-DIMETHYL-5,7-DIOXASPIRO[2.5]OCTANE-4,8-DIONE 95.00%
Packaging10G
Price$1220.45
Updated2021-12-16
Buy

ManufacturerApolloscientific
Product numberOR914205
Product description6,6-Dimethyl-5,7-dioxaspiro[2.5]octane-4,8-dione 99%
Packaging100g
Price$467
Updated2026-06-04
Buy

ManufacturerApolloscientific
Product numberOR914205
Product description6,6-Dimethyl-5,7-dioxaspiro[2.5]octane-4,8-dione 99%
Packaging25g
Price$143
Updated2026-06-04
Buy

ManufacturerApolloscientific
Product numberOR914205
Product description6,6-Dimethyl-5,7-dioxaspiro[2.5]octane-4,8-dione 99%
Packaging5g
Price$36
Updated2026-06-04
Buy

ManufacturerBiosynth
Product numberFC57047
Product descriptionCyclic isopropylidene 1,1-cyclopropanedicarboxylate
Packaging10g
Price$145.2
Updated2021-12-16
Buy

Manufacturer	Product number	Product description	Packaging	Price	Updated	Buy
aablocks	AA00D8FM	6,6-Dimethyl-5,7-Dioxaspiro[2.5]Octane-4,8-Dione ≥98%(GC)	200mg	$10	2026-05-28	Buy
aablocks	AA00D8FM	6,6-Dimethyl-5,7-Dioxaspiro[2.5]Octane-4,8-Dione 98%	1g	$16	2026-05-28	Buy
aablocks	AA00D8FM	6,6-Dimethyl-5,7-Dioxaspiro[2.5]Octane-4,8-Dione 98%	5g	$21	2026-05-28	Buy
aablocks	AA00D8FM	6,6-Dimethyl-5,7-Dioxaspiro[2.5]Octane-4,8-Dione 97%	25g	$46	2026-05-28	Buy
aablocks	AA00D8FM	6,6-Dimethyl-5,7-Dioxaspiro[2.5]Octane-4,8-Dione 97%	100g	$137	2026-05-28	Buy
Activate Scientific	AS9860	6,6-Dimethyl-5,7-dioxaspiro[2.5]octane-4,8-dione 95+%	5G	$67	2021-12-16	Buy
Activate Scientific	AS9860	6,6-Dimethyl-5,7-dioxaspiro[2.5]octane-4,8-dione 95+%	25g	$304	2021-12-16	Buy
AHH	MT-10631	6,6-Dimethyl-5,7-dioxaspiro[2.5]octane-4,8-dione 97%	50g	$446	2026-05-26	Buy
AK Scientific	V6632	6,6-Dimethyl-5,7-Dioxaspiro[2.5]Octane-4,8-Dione	5g	$111	2021-12-16	Buy
American Custom Chemicals Corporation	CHM0012942	6,6-DIMETHYL-5,7-DIOXASPIRO[2.5]OCTANE-4,8-DIONE 95.00%	1G	$630.55	2021-12-16	Buy
American Custom Chemicals Corporation	CHM0012942	6,6-DIMETHYL-5,7-DIOXASPIRO[2.5]OCTANE-4,8-DIONE 95.00%	5G	$864.08	2021-12-16	Buy
American Custom Chemicals Corporation	CHM0012942	6,6-DIMETHYL-5,7-DIOXASPIRO[2.5]OCTANE-4,8-DIONE 95.00%	10G	$1220.45	2021-12-16	Buy
Apolloscientific	OR914205	6,6-Dimethyl-5,7-dioxaspiro[2.5]octane-4,8-dione 99%	100g	$467	2026-06-04	Buy
Apolloscientific	OR914205	6,6-Dimethyl-5,7-dioxaspiro[2.5]octane-4,8-dione 99%	25g	$143	2026-06-04	Buy
Apolloscientific	OR914205	6,6-Dimethyl-5,7-dioxaspiro[2.5]octane-4,8-dione 99%	5g	$36	2026-06-04	Buy
Biosynth	FC57047	Cyclic isopropylidene 1,1-cyclopropanedicarboxylate	10g	$145.2	2021-12-16	Buy

Next Last

Properties

Melting point :63-65 °C(lit.)
Boiling point :396.8±35.0 °C(Predicted)
Density :1.29±0.1 g/cm3(Predicted)
storage temp. :Inert atmosphere,Room Temperature
solubility :DMF: soluble(lit.)
form :Solid
color :White to Off-White
BRN :1241835
InChI :InChI=1S/C8H10O4/c1-7(2)11-5(9)8(3-4-8)6(10)12-7/h3-4H2,1-2H3
InChIKey :AXJVPXNVESYGDT-UHFFFAOYSA-N
SMILES :C1C2(C(=O)OC(C)(C)OC2=O)C1
CAS DataBase Reference :5617-70-9(CAS DataBase Reference)

Safety Information

Symbol(GHS):

Signal word:

Warning

Hazard statements:

Code	Hazard statements	Hazard class	Category	Signal word	P-Codes
H302	Harmful if swallowed	Acute toxicity,oral	Category 4	Warning	P264, P270, P301+P312, P330, P501
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.
P301+P312	IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell.
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.

Description

6,6-Dimethyl-5,7-dioxaspiro[2.5]octan-4,8-dione is used as a reagent to synthesize Bis-benzimidazoles, compounds that act as inhibitors of Type II Dihydrofolate reductase (an enzyme that is produced by bacteria in response to Trimethoprim [T795615]as a defense mechanism).

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Suppliers and manufacturers

Pushan Industry (Shaanxi) Co., Ltd. J & K SCIENTIFIC LTD. Meryer (Shanghai) Chemical Technology Co., Ltd. Alfa Aesar TCI (Shanghai) Development Co., Ltd. Energy Chemical Chemsky（shanghai）International Co.,Ltd. Hangzhou Sage Chemical Co., Ltd. Shanghai Topbiochem Technology Co., Ltd TOKYO CHEMICAL INDUSTRY CO., LTD.

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6,6-Dimethyl-5,7-dioxaspiro[2.5]octane-4,8-dione

Properties

Safety Information

Description

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