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ChemicalBook >> CAS DataBase List >> (1S-4R)-4-[[(1,1-diMethylethoxy)carbonyl]aMino]- 2-Cyclopentene-1-carboxylic acid Methyl ester

(1S-4R)-4-[[(1,1-diMethylethoxy)carbonyl]aMino]- 2-Cyclopentene-1-carboxylic acid Methyl ester

$8 - $963
Product name: (1S-4R)-4-[[(1,1-diMethylethoxy)carbonyl]aMino]- 2-Cyclopentene-1-carboxylic acid Methyl ester
CAS: 229613-93-8
MF: C18H30N2O5
MW: 354.44
EINECS:1308068-626-2
MDL Number:MFCD18206350
Synonyms:Peramivir Intermediate 2;methyl 2-((1R,4R)-4-((tert-butoxycarbonyl)amino)cyclopent-2-en-1-yl)acetate;(1S-4R)-4-[[(1,1-diMethylethoxy)carbonyl]aMino]- 2-Cyclopentene-1-carboxylic acid Methyl ester;Methyl 4-{[(tert-butoxy)carbonyl]aMino}-3-(pentan-3-yl)-3aH,4H,5H,6H,6aH-cyclopenta[d][1,2]oxazole-6-carboxylate;(3aR,4R,6S)-Methyl-4-((tert-butoxycarbonyl)aMino)-3-(pentan-3-yl)-4,5,6,6a-tetrahydro-3aH-cyclopenta[d]isoxazole-6-carboxylate;(3aR,4R,6S,6aS)-Methyl 4-(tert-butoxycarbonyl)-3-(pentan-3-yl)-4,5,6,6a-tetrahydro-3aH-cyclopenta[d]isoxazole-6-carboxylate;(3aR,4R,6S,6aS)-4-[[(1,1-DiMethylethoxy)carbonyl]aMino]-3-(1-ethylpropyl)-3a,5,6,6a-tetrahydro-4H-cyclopent[d]isoxazole-6-carboxylic Acid Methyl Ester;TIANFU-CHEM--(1S-4R)-4-[[(1,1-diMethylethoxy)carbonyl]aMino]- 2-Cyclopentene-1-carboxylic acid Methyl ester

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aablocks
ACHEMBLOCK
AK Scientific
Ambeed
Chemenu
Crysdot
Medical Isotopes, Inc.
Synthonix
TRC
Usbiological

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1g
5g
10g
25g
100G

Manufactureraablocks
Product numberAA002LLU
Product description4H-Cyclopent[d]isoxazole-6-carboxylic acid, 4-[[(1,1-dimethylethoxy)carbonyl]amino]-3-(1-ethylpropyl)-3a,5,6,6a-tetrahydro-, methyl ester, (3aR,4R,6S,6aS)- 95%
Packaging1g
Price$8
Updated2026-05-28
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Manufactureraablocks
Product numberAA002LLU
Product description4H-Cyclopent[d]isoxazole-6-carboxylic acid, 4-[[(1,1-dimethylethoxy)carbonyl]amino]-3-(1-ethylpropyl)-3a,5,6,6a-tetrahydro-, methyl ester, (3aR,4R,6S,6aS)- 95%
Packaging5g
Price$25
Updated2026-05-28
Buy

Manufactureraablocks
Product numberAA002LLU
Product description4H-Cyclopent[d]isoxazole-6-carboxylic acid, 4-[[(1,1-dimethylethoxy)carbonyl]amino]-3-(1-ethylpropyl)-3a,5,6,6a-tetrahydro-, methyl ester, (3aR,4R,6S,6aS)- 95%
Packaging10g
Price$44
Updated2026-05-28
Buy

Manufactureraablocks
Product numberAA002LLU
Product description4H-Cyclopent[d]isoxazole-6-carboxylic acid, 4-[[(1,1-dimethylethoxy)carbonyl]amino]-3-(1-ethylpropyl)-3a,5,6,6a-tetrahydro-, methyl ester, (3aR,4R,6S,6aS)- 95%
Packaging25g
Price$95
Updated2026-05-28
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ManufacturerACHEMBLOCK
Product numberY219084
Product descriptionmethyl (3aR,4R,6S,6aS)-4-((tert-butoxycarbonyl)amino)-3-(pentan-3-yl)-3a,5,6,6a-tetrahydro-4H-cyclopenta[d]isoxazole-6-carboxylate 95.00%
Packaging100G
Price$460
Updated2026-05-27
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ManufacturerACHEMBLOCK
Product numberY219084
Product descriptionmethyl (3aR,4R,6S,6aS)-4-((tert-butoxycarbonyl)amino)-3-(pentan-3-yl)-3a,5,6,6a-tetrahydro-4H-cyclopenta[d]isoxazole-6-carboxylate 95.00%
Packaging25G
Price$135
Updated2026-05-27
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ManufacturerAK Scientific
Product number8197CR
Product descriptionCID10522092
Packaging1g
Price$73
Updated2021-12-16
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ManufacturerAmbeed
Product numberA180683
Product description(3aR,4R,6S,6aS)-Methyl4-((tert-butoxycarbonyl)amino)-3-(pentan-3-yl)-4,5,6,6a-tetrahydro-3aH-cyclopenta[d]isoxazole-6-carboxylate 95%
Packaging100g
Price$395
Updated2021-12-16
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ManufacturerAmbeed
Product numberA180683
Product description(3aR,4R,6S,6aS)-Methyl4-((tert-butoxycarbonyl)amino)-3-(pentan-3-yl)-4,5,6,6a-tetrahydro-3aH-cyclopenta[d]isoxazole-6-carboxylate 95%
Packaging25g
Price$120
Updated2021-12-16
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ManufacturerAmbeed
Product numberA180683
Product description(3aR,4R,6S,6aS)-Methyl4-((tert-butoxycarbonyl)amino)-3-(pentan-3-yl)-4,5,6,6a-tetrahydro-3aH-cyclopenta[d]isoxazole-6-carboxylate 95%
Packaging10g
Price$55
Updated2021-12-16
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ManufacturerAmbeed
Product numberA180683
Product description(3aR,4R,6S,6aS)-Methyl4-((tert-butoxycarbonyl)amino)-3-(pentan-3-yl)-4,5,6,6a-tetrahydro-3aH-cyclopenta[d]isoxazole-6-carboxylate 95%
Packaging5g
Price$31
Updated2021-12-16
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ManufacturerAmbeed
Product numberA180683
Product description(3aR,4R,6S,6aS)-Methyl4-((tert-butoxycarbonyl)amino)-3-(pentan-3-yl)-4,5,6,6a-tetrahydro-3aH-cyclopenta[d]isoxazole-6-carboxylate 95%
Packaging1g
Price$10
Updated2021-12-16
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ManufacturerChemenu
Product numberCM191020
Product description(3aR,4R,6S,6aS)-Methyl 4-((tert-butoxycarbonyl)amino)-3-(pentan-3-yl)-4,5,6,6a-tetrahydro-3aH-cyclopenta[d]isoxazole-6-carboxylate 95%
Packaging10g
Price$66
Updated2026-05-20
Buy

ManufacturerChemenu
Product numberCM191020
Product description(3aR,4R,6S,6aS)-Methyl 4-((tert-butoxycarbonyl)amino)-3-(pentan-3-yl)-4,5,6,6a-tetrahydro-3aH-cyclopenta[d]isoxazole-6-carboxylate 95%
Packaging10g
Price$66
Updated2026-05-26
Buy

ManufacturerChemenu
Product numberCM191020
Product description(3aR,4R,6S,6aS)-Methyl 4-((tert-butoxycarbonyl)amino)-3-(pentan-3-yl)-4,5,6,6a-tetrahydro-3aH-cyclopenta[d]isoxazole-6-carboxylate 95%
Packaging25g
Price$144
Updated2026-05-20
Buy

ManufacturerChemenu
Product numberCM191020
Product description(3aR,4R,6S,6aS)-Methyl 4-((tert-butoxycarbonyl)amino)-3-(pentan-3-yl)-4,5,6,6a-tetrahydro-3aH-cyclopenta[d]isoxazole-6-carboxylate 95%
Packaging25g
Price$144
Updated2026-05-26
Buy

Manufacturer	Product number	Product description	Packaging	Price	Updated	Buy
aablocks	AA002LLU	4H-Cyclopent[d]isoxazole-6-carboxylic acid, 4-[[(1,1-dimethylethoxy)carbonyl]amino]-3-(1-ethylpropyl)-3a,5,6,6a-tetrahydro-, methyl ester, (3aR,4R,6S,6aS)- 95%	1g	$8	2026-05-28	Buy
aablocks	AA002LLU	4H-Cyclopent[d]isoxazole-6-carboxylic acid, 4-[[(1,1-dimethylethoxy)carbonyl]amino]-3-(1-ethylpropyl)-3a,5,6,6a-tetrahydro-, methyl ester, (3aR,4R,6S,6aS)- 95%	5g	$25	2026-05-28	Buy
aablocks	AA002LLU	4H-Cyclopent[d]isoxazole-6-carboxylic acid, 4-[[(1,1-dimethylethoxy)carbonyl]amino]-3-(1-ethylpropyl)-3a,5,6,6a-tetrahydro-, methyl ester, (3aR,4R,6S,6aS)- 95%	10g	$44	2026-05-28	Buy
aablocks	AA002LLU	4H-Cyclopent[d]isoxazole-6-carboxylic acid, 4-[[(1,1-dimethylethoxy)carbonyl]amino]-3-(1-ethylpropyl)-3a,5,6,6a-tetrahydro-, methyl ester, (3aR,4R,6S,6aS)- 95%	25g	$95	2026-05-28	Buy
ACHEMBLOCK	Y219084	methyl (3aR,4R,6S,6aS)-4-((tert-butoxycarbonyl)amino)-3-(pentan-3-yl)-3a,5,6,6a-tetrahydro-4H-cyclopenta[d]isoxazole-6-carboxylate 95.00%	100G	$460	2026-05-27	Buy
ACHEMBLOCK	Y219084	methyl (3aR,4R,6S,6aS)-4-((tert-butoxycarbonyl)amino)-3-(pentan-3-yl)-3a,5,6,6a-tetrahydro-4H-cyclopenta[d]isoxazole-6-carboxylate 95.00%	25G	$135	2026-05-27	Buy
AK Scientific	8197CR	CID10522092	1g	$73	2021-12-16	Buy
Ambeed	A180683	(3aR,4R,6S,6aS)-Methyl4-((tert-butoxycarbonyl)amino)-3-(pentan-3-yl)-4,5,6,6a-tetrahydro-3aH-cyclopenta[d]isoxazole-6-carboxylate 95%	100g	$395	2021-12-16	Buy
Ambeed	A180683	(3aR,4R,6S,6aS)-Methyl4-((tert-butoxycarbonyl)amino)-3-(pentan-3-yl)-4,5,6,6a-tetrahydro-3aH-cyclopenta[d]isoxazole-6-carboxylate 95%	25g	$120	2021-12-16	Buy
Ambeed	A180683	(3aR,4R,6S,6aS)-Methyl4-((tert-butoxycarbonyl)amino)-3-(pentan-3-yl)-4,5,6,6a-tetrahydro-3aH-cyclopenta[d]isoxazole-6-carboxylate 95%	10g	$55	2021-12-16	Buy
Ambeed	A180683	(3aR,4R,6S,6aS)-Methyl4-((tert-butoxycarbonyl)amino)-3-(pentan-3-yl)-4,5,6,6a-tetrahydro-3aH-cyclopenta[d]isoxazole-6-carboxylate 95%	5g	$31	2021-12-16	Buy
Ambeed	A180683	(3aR,4R,6S,6aS)-Methyl4-((tert-butoxycarbonyl)amino)-3-(pentan-3-yl)-4,5,6,6a-tetrahydro-3aH-cyclopenta[d]isoxazole-6-carboxylate 95%	1g	$10	2021-12-16	Buy
Chemenu	CM191020	(3aR,4R,6S,6aS)-Methyl 4-((tert-butoxycarbonyl)amino)-3-(pentan-3-yl)-4,5,6,6a-tetrahydro-3aH-cyclopenta[d]isoxazole-6-carboxylate 95%	10g	$66	2026-05-20	Buy
Chemenu	CM191020	(3aR,4R,6S,6aS)-Methyl 4-((tert-butoxycarbonyl)amino)-3-(pentan-3-yl)-4,5,6,6a-tetrahydro-3aH-cyclopenta[d]isoxazole-6-carboxylate 95%	10g	$66	2026-05-26	Buy
Chemenu	CM191020	(3aR,4R,6S,6aS)-Methyl 4-((tert-butoxycarbonyl)amino)-3-(pentan-3-yl)-4,5,6,6a-tetrahydro-3aH-cyclopenta[d]isoxazole-6-carboxylate 95%	25g	$144	2026-05-20	Buy
Chemenu	CM191020	(3aR,4R,6S,6aS)-Methyl 4-((tert-butoxycarbonyl)amino)-3-(pentan-3-yl)-4,5,6,6a-tetrahydro-3aH-cyclopenta[d]isoxazole-6-carboxylate 95%	25g	$144	2026-05-26	Buy

Next Last

Properties

Melting point :67-69°C
Density :1.22±0.1 g/cm3(Predicted)
storage temp. :Sealed in dry,Room Temperature
solubility :Chloroform (Sparingly), Methanol (Slightly)
pka :11.61±0.60(Predicted)
form :Solid
color :Off-White to Pale Beige
InChI :InChI=1S/C18H30N2O5/c1-7-10(8-2)14-13-12(19-17(22)24-18(3,4)5)9-11(16(21)23-6)15(13)25-20-14/h10-13,15H,7-9H2,1-6H3,(H,19,22)/t11-,12+,13+,15+/m0/s1
InChIKey :WYUYCGDXMIJIAZ-KYEXWDHISA-N
SMILES :O1[C@]2([H])[C@@H](C(OC)=O)C[C@@H](NC(OC(C)(C)C)=O)[C@]2([H])C(C(CC)CC)=N1

Safety Information

Symbol(GHS):

Signal word:

Warning

Hazard statements:

Code	Hazard statements	Hazard class	Category	Signal word	Pictogram	P-Codes
H302	Harmful if swallowed	Acute toxicity,oral	Category 4	Warning		P264, P270, P301+P312, P330, P501

Precautionary statements:

P280	Wear protective gloves/protective clothing/eye protection/face protection.
P305+P351+P338	IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

Description

(3aR,4R,6S,6aS)-4-[[(1,1-Dimethylethoxy)carbonyl]amino]-3-(1-ethylpropyl)-3a,5,6,6a-tetrahydro-4H-cyclopent[d]isoxazole-6-carboxylic Acid Methyl Ester is an intermediate used in the synthesis of peramivir (P285500), a neuraminidase inhibitor developed as an antiviral agent for the treatment of influenza.

More related product prices

4-[[(1,1-DIMETHYLETHOXY)CARBONYL]AMINO]-2-CYCLOPENTENE-1-CARBOXYLIC ACID METHYL ESTER (1S,2S,3S,4R)-Methyl 3-((R)-1-aMino-2-ethylbutyl)-4-(tert-butoxycarbonylaMino)-2-hydroxycyclopentanecarboxylate

Suppliers and manufacturers

Jinan Jianfeng Chemical Co., Ltd

(1S-4R)-4-[[(1,1-diMethylethoxy)carbonyl]aMino]- 2-Cyclopentene-1-carboxylic acid Methyl ester CAS:229613-93-8

Hangzhou ICH Biofarm Co., Ltd

Peramivir intermediate M8 CAS:229613-93-8

Henan Fengda Chemical Co., Ltd

$1.00
(1S-4R)-4-[[(1,1-diMethylethoxy)carbonyl]aMino]- 2-Cyclopentene-1-carboxylic acid Methyl ester CAS:229613-93-8

career henan chemical co

$1.00
(1S-4R)-4-[[(1,1-diMethylethoxy)carbonyl]aMino]- 2-Cyclopentene-1-carboxylic acid Methyl ester CAS: 229613-93-8

SHANGHAI T&W PHARMACEUTICAL CO., LTD.

Senova Technology Co. Ltd.

Beijing Cooperate Pharmaceutical Co.,Ltd

Henan Tianfu Chemical Co.,Ltd.

ATK CHEMICAL COMPANY LIMITED

Standardpharm Co. Ltd.

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(1S-4R)-4-[[(1,1-diMethylethoxy)carbonyl]aMino]- 2-Cyclopentene-1-carboxylic acid Methyl ester

Properties

Safety Information

Description

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