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ChemicalBook >> CAS DataBase List >> (3aR,7R,7aR)-2,2-Diethyl-3a,6,7,7a-tetrahydro-7-[(Methylsulfonyl)oxy]-1,3-benzodioxole-5-carboxylic Acid Ethyl Ester

(3aR,7R,7aR)-2,2-Diethyl-3a,6,7,7a-tetrahydro-7-[(Methylsulfonyl)oxy]-1,3-benzodioxole-5-carboxylic Acid Ethyl Ester

$315 - $2654
Product name: (3aR,7R,7aR)-2,2-Diethyl-3a,6,7,7a-tetrahydro-7-[(Methylsulfonyl)oxy]-1,3-benzodioxole-5-carboxylic Acid Ethyl Ester
CAS: 204254-90-0
MF: C15H24O7S
MW: 348.41
EINECS:
MDL Number:
Synonyms:(3aR,7R,7aR)-2,2-Diethyl-3a,6,7,7a-tetrahydro-7-[(Methylsulfonyl)oxy]-1,3-benzodioxole-5-carboxylic Acid Ethyl Ester;Oseltamivir Impurity 88;(3aR,7R,7aR)-ethyl 2,2-diethyl-7-((methylsulfonyl)oxy)-3a,6,7,7a-tetrahydrobenzo[d][1,3]dioxole-5-carboxylate;1,3-Benzodioxole-5-carboxylic acid, 2,2-diethyl-3a,6,7,7a-tetrahydro-7-[(methylsulfonyl)oxy]-, ethyl ester, (3aR,7R,7aR)-;Oseltamivir Impurity 58 (Oseltamivir Impurity）;Oseltamivir?Impurity?36/Ethyl?(3aR,7R,7aR)-2,2-diethyl-7-((methylsulfonyl)oxy)-3a,6,7,7a-tetrahydrobenzo[d][1,3]dioxole-5-carboxylate;ethyl (3aR,7R,7aR)-2,2-diethyl-7-((methylsulfonyl)oxy)-3a,6,7,7a-tetrahydrobenzo[d][1,3]dioxole-5-carboxylate

Price8 Properties Safety Information Description

8 prices

Selected condition：

Brand

aablocks
Medical Isotopes, Inc.
TRC
Usbiological

Package

100mg
1g

Manufactureraablocks
Product numberAA00C2JS
Product description(3aR,7R,7aR)-2,2-Diethyl-3a,6,7,7a-tetrahydro-7-[(Methylsulfonyl)oxy]-1,3-benzodioxole-5-carboxylicAcidEthylEster
Packaging100mg
Price$315
Updated2021-12-16
Buy

Manufactureraablocks
Product numberAA00C2JS
Product description(3aR,7R,7aR)-2,2-Diethyl-3a,6,7,7a-tetrahydro-7-[(methylsulfonyl)oxy]-1,3-benzodioxole-5-carboxylic Acid Ethyl Ester >95%(HPLC)
Packaging100mg
Price$334
Updated2026-05-28
Buy

Manufactureraablocks
Product numberAA00C2JS
Product description(3aR,7R,7aR)-2,2-Diethyl-3a,6,7,7a-tetrahydro-7-[(Methylsulfonyl)oxy]-1,3-benzodioxole-5-carboxylicAcidEthylEster
Packaging1g
Price$1470
Updated2021-12-16
Buy

Manufactureraablocks
Product numberAA00C2JS
Product description(3aR,7R,7aR)-2,2-Diethyl-3a,6,7,7a-tetrahydro-7-[(methylsulfonyl)oxy]-1,3-benzodioxole-5-carboxylic Acid Ethyl Ester >95%(HPLC)
Packaging1g
Price$1688
Updated2026-05-28
Buy

ManufacturerMedical Isotopes, Inc.
Product number64334
Product description(3aR,7R,7aR)-2,2-Diethyl-3a,6,7,7a-tetrahydro-7-[(methylsulfonyl)oxy]-1,3-benzodioxole-5-carboxylicAcidEthylEster
Packaging1g
Price$2200
Updated2021-12-16
Buy

ManufacturerTRC
Product numberD445050
Product description(3aR,7R,7aR)-2,2-Diethyl-3a,6,7,7a-tetrahydro-7-[(methylsulfonyl)oxy]-1,3-benzodioxole-5-carboxylicAcidEthylEster
Packaging1g
Price$1455
Updated2021-12-16
Buy

ManufacturerUsbiological
Product number427893
Product description(3aR,7R,7aR)-2,2-Diethyl-3a,6,7,7a-tetrahydro-7-[(methylsulfonyl)oxy]-1,3-benzodioxole-5-carboxylic Acid Ethyl Ester
Packaging1g
Price$2654
Updated2026-06-03
Buy

ManufacturerUsbiological
Product number427893
Product description(3aR,7R,7aR)-2,2-Diethyl-3a,6,7,7a-tetrahydro-7-[(methylsulfonyl)oxy]-1,3-benzodioxole-5-carboxylic Acid Ethyl Ester
Packaging100mg
Price$468
Updated2026-06-03
Buy

Manufacturer	Product number	Product description	Packaging	Price	Updated	Buy
aablocks	AA00C2JS	(3aR,7R,7aR)-2,2-Diethyl-3a,6,7,7a-tetrahydro-7-[(Methylsulfonyl)oxy]-1,3-benzodioxole-5-carboxylicAcidEthylEster	100mg	$315	2021-12-16	Buy
aablocks	AA00C2JS	(3aR,7R,7aR)-2,2-Diethyl-3a,6,7,7a-tetrahydro-7-[(methylsulfonyl)oxy]-1,3-benzodioxole-5-carboxylic Acid Ethyl Ester >95%(HPLC)	100mg	$334	2026-05-28	Buy
aablocks	AA00C2JS	(3aR,7R,7aR)-2,2-Diethyl-3a,6,7,7a-tetrahydro-7-[(Methylsulfonyl)oxy]-1,3-benzodioxole-5-carboxylicAcidEthylEster	1g	$1470	2021-12-16	Buy
aablocks	AA00C2JS	(3aR,7R,7aR)-2,2-Diethyl-3a,6,7,7a-tetrahydro-7-[(methylsulfonyl)oxy]-1,3-benzodioxole-5-carboxylic Acid Ethyl Ester >95%(HPLC)	1g	$1688	2026-05-28	Buy
Medical Isotopes, Inc.	64334	(3aR,7R,7aR)-2,2-Diethyl-3a,6,7,7a-tetrahydro-7-[(methylsulfonyl)oxy]-1,3-benzodioxole-5-carboxylicAcidEthylEster	1g	$2200	2021-12-16	Buy
TRC	D445050	(3aR,7R,7aR)-2,2-Diethyl-3a,6,7,7a-tetrahydro-7-[(methylsulfonyl)oxy]-1,3-benzodioxole-5-carboxylicAcidEthylEster	1g	$1455	2021-12-16	Buy
Usbiological	427893	(3aR,7R,7aR)-2,2-Diethyl-3a,6,7,7a-tetrahydro-7-[(methylsulfonyl)oxy]-1,3-benzodioxole-5-carboxylic Acid Ethyl Ester	1g	$2654	2026-06-03	Buy
Usbiological	427893	(3aR,7R,7aR)-2,2-Diethyl-3a,6,7,7a-tetrahydro-7-[(methylsulfonyl)oxy]-1,3-benzodioxole-5-carboxylic Acid Ethyl Ester	100mg	$468	2026-06-03	Buy

Properties

Boiling point :474.2±45.0 °C(Predicted)
Density :1.26±0.1 g/cm3(Predicted)
storage temp. :Hygroscopic, Refrigerator, under inert atmosphere
solubility :Chloroform (Sparingly), Ethyl Acetate (Slightly), Methanol (Slightly)
form :Oil
color :Colourless to Pale Yellow

Safety Information

Symbol(GHS):

Signal word:

Hazard statements:

Code	Hazard statements	Hazard class	Category	Signal word	Pictogram	P-Codes
H412	Harmful to aquatic life with long lasting effects	Hazardous to the aquatic environment, long-term hazard	Category 3			P273, P501

Precautionary statements:

P273	Avoid release to the environment.
P501	Dispose of contents/container to..…

Description

(3aR,7R,7aR)-2,2-Diethyl-3a,6,7,7a-tetrahydro-7-[(methylsulfonyl)oxy]-1,3-benzodioxole-5-carboxylic Acid Ethyl Ester is an analog of (1R,5S,6S)-rel-5-(1-Ethylpropoxy)-7-oxabicyclo[4.1.0]hept-3-ene-3-carboxylic Acid Methyl Ester (E925665) which is an intermediate in the synthesis of neuraminidase inhibitors.

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Suppliers and manufacturers

BOC Sciences

Shenzhen Excellent Biomedical Technology Co.,Ltd.

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Amadis Chemical Company Limited

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(3aR,7R,7aR)-2,2-Diethyl-3a,6,7,7a-tetrahydro-7-[(Methylsulfonyl)oxy]-1,3-benzodioxole-5-carboxylic Acid Ethyl Ester

Properties

Safety Information

Description

Related product price

Suppliers and manufacturers