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ChemicalBook >> CAS DataBase List >> (8aS)-Tetrahydro-3-oxo-3H-oxazolo[3,4-a]pyrazine-7(1H)-carboxylic acid 1,1-dimethylethyl ester

(8aS)-Tetrahydro-3-oxo-3H-oxazolo[3,4-a]pyrazine-7(1H)-carboxylic acid 1,1-dimethylethyl ester

$25 - $963.2
Product name: (8aS)-Tetrahydro-3-oxo-3H-oxazolo[3,4-a]pyrazine-7(1H)-carboxylic acid 1,1-dimethylethyl ester
CAS: 958635-18-2
MF: C11H18N2O4
MW: 242.27
EINECS:
MDL Number:
Synonyms:(8aS)-Tetrahydro-3-oxo-3H-oxazolo[3,4-a]pyrazine-7(1H)-carboxylic acid 1,1-dimethylethyl ester;(S)-Tert-Butyl 3-Oxotetrahydro-1H-Oxazolo[3,4-A]Pyrazine-7(3H)-Carboxylate;(S)-Tert-Butyl 3-Oxotetrahydro-1H-Oxazolo[3,4-A]Pyrazine-7(3H)-Carboxylate(WXC00810);tert-butyl (8aS)-3-oxotetrahydro-1,3-oxazolo[3,4-a]pyrazine-7(1H)-carboxylate;3H-Oxazolo[3,4-a]pyrazine-7(1H)-carboxylic acid, tetrahydro-3-oxo-, 1,1-dimethylethyl ester, (8aS)-;tert-butyl (8aS)-3-oxo-5,6,8,8a-tetrahydro-1H-[1,3]oxazolo[3,4-a]pyrazine-7-carboxylate;(S)-7-Boc-3-oxotetrahydro-3H-oxazolo[3,4-a]pyrazine;tert-Butyl (S)-3-oxotetrahydro-3H-oxazolo[3,4-a]pyrazine-7(1H)-carboxylate

Price18 Properties Safety Information Description

18 prices

Selected condition：

Brand

A2B
aablocks
ACHEMBLOCK
AK Scientific
Arctom
Chemenu
ChemScene
Crysdot
Synthonix

Package

100mg
250mg
1g
5G
25G

ManufacturerA2B
Product numberAI64863
Product description(S)-tert-Butyl 3-oxotetrahydro-1H-oxazolo[3,4-a]pyrazine-7(3H)-carboxylate 97%
Packaging1g
Price$63
Updated2026-05-25
Buy

Manufactureraablocks
Product numberAA00IJER
Product description(S)-tert-Butyl 3-oxotetrahydro-1H-oxazolo[3,4-a]pyrazine-7(3H)-carboxylate 97%
Packaging1g
Price$77
Updated2026-05-29
Buy

ManufacturerACHEMBLOCK
Product numberW157987
Product descriptiontert-Butyl (S)-3-oxotetrahydro-3H-oxazolo[3,4-a]pyrazine-7(1H)-carboxylate 97%
Packaging5G
Price$175
Updated2026-05-27
Buy

ManufacturerACHEMBLOCK
Product numberW157987
Product descriptiontert-Butyl (S)-3-oxotetrahydro-3H-oxazolo[3,4-a]pyrazine-7(1H)-carboxylate 97%
Packaging25G
Price$615
Updated2026-05-27
Buy

ManufacturerAK Scientific
Product number3988AQ
Product descriptiontert-butyl(8aS)-3-oxo-5,6,8,8a-tetrahydro-1H-[1,3]oxazolo[3,4-a]pyrazine-7-carboxylate
Packaging5g
Price$963.2
Updated2021-12-16
Buy

ManufacturerArctom
Product numberBD-A146592
Product description(S)-tert-Butyl 3-oxotetrahydro-1H-oxazolo[3,4-a]pyrazine-7(3H)-carboxylate 97%
Packaging1g
Price$52
Updated2026-05-26
Buy

ManufacturerChemenu
Product numberCM128192
Product descriptiontert-butyl (S)-3-oxotetrahydro-3H-oxazolo[3,4-a]pyrazine-7(1H)-carboxylate 95%
Packaging1g
Price$76
Updated2026-05-26
Buy

ManufacturerChemenu
Product numberCM128192
Product descriptiontert-butyl(S)-3-oxotetrahydro-3H-oxazolo[3,4-a]pyrazine-7(1H)-carboxylate 95%
Packaging5g
Price$842
Updated2021-12-16
Buy

ManufacturerChemScene
Product numberCS-0037529
Product descriptiontert-Butyl(S)-3-oxotetrahydro-3H-oxazolo[3,4-a]pyrazine-7(1H)-carboxylate >97.0%
Packaging5g
Price$629
Updated2021-12-16
Buy

ManufacturerChemScene
Product numberCS-0037529
Product descriptiontert-Butyl(S)-3-oxotetrahydro-3H-oxazolo[3,4-a]pyrazine-7(1H)-carboxylate >97.0%
Packaging1g
Price$212
Updated2021-12-16
Buy

ManufacturerChemScene
Product numberCS-0037529
Product descriptiontert-Butyl(S)-3-oxotetrahydro-3H-oxazolo[3,4-a]pyrazine-7(1H)-carboxylate >97.0%
Packaging100mg
Price$64
Updated2021-12-16
Buy

ManufacturerChemScene
Product numberCS-0037529
Product descriptiontert-Butyl(S)-3-oxotetrahydro-3H-oxazolo[3,4-a]pyrazine-7(1H)-carboxylate >97.0%
Packaging250mg
Price$106
Updated2021-12-16
Buy

ManufacturerCrysdot
Product numberCD11003005
Product description(S)-tert-Butyl 3-oxotetrahydro-1H-oxazolo[3,4-a]pyrazine-7(3H)-carboxylate 95+%
Packaging1g
Price$297
Updated2026-05-26
Buy

ManufacturerCrysdot
Product numberCD11003005
Product description(S)-tert-Butyl 3-oxotetrahydro-1H-oxazolo[3,4-a]pyrazine-7(3H)-carboxylate 95+%
Packaging5g
Price$892
Updated2026-05-26
Buy

ManufacturerSynthonix
Product numberB61248
Product descriptiontert-Butyl (S)-3-oxotetrahydro-3H-oxazolo[3,4-a]pyrazine-7(1H)-carboxylate >98%
Packaging5g
Price$400
Updated2026-05-06
Buy

ManufacturerSynthonix
Product numberB61248
Product descriptiontert-Butyl (S)-3-oxotetrahydro-3H-oxazolo[3,4-a]pyrazine-7(1H)-carboxylate >98%
Packaging100mg
Price$25
Updated2026-05-06
Buy

Manufacturer	Product number	Product description	Packaging	Price	Updated	Buy
A2B	AI64863	(S)-tert-Butyl 3-oxotetrahydro-1H-oxazolo[3,4-a]pyrazine-7(3H)-carboxylate 97%	1g	$63	2026-05-25	Buy
aablocks	AA00IJER	(S)-tert-Butyl 3-oxotetrahydro-1H-oxazolo[3,4-a]pyrazine-7(3H)-carboxylate 97%	1g	$77	2026-05-29	Buy
ACHEMBLOCK	W157987	tert-Butyl (S)-3-oxotetrahydro-3H-oxazolo[3,4-a]pyrazine-7(1H)-carboxylate 97%	5G	$175	2026-05-27	Buy
ACHEMBLOCK	W157987	tert-Butyl (S)-3-oxotetrahydro-3H-oxazolo[3,4-a]pyrazine-7(1H)-carboxylate 97%	25G	$615	2026-05-27	Buy
AK Scientific	3988AQ	tert-butyl(8aS)-3-oxo-5,6,8,8a-tetrahydro-1H-[1,3]oxazolo[3,4-a]pyrazine-7-carboxylate	5g	$963.2	2021-12-16	Buy
Arctom	BD-A146592	(S)-tert-Butyl 3-oxotetrahydro-1H-oxazolo[3,4-a]pyrazine-7(3H)-carboxylate 97%	1g	$52	2026-05-26	Buy
Chemenu	CM128192	tert-butyl (S)-3-oxotetrahydro-3H-oxazolo[3,4-a]pyrazine-7(1H)-carboxylate 95%	1g	$76	2026-05-26	Buy
Chemenu	CM128192	tert-butyl(S)-3-oxotetrahydro-3H-oxazolo[3,4-a]pyrazine-7(1H)-carboxylate 95%	5g	$842	2021-12-16	Buy
ChemScene	CS-0037529	tert-Butyl(S)-3-oxotetrahydro-3H-oxazolo[3,4-a]pyrazine-7(1H)-carboxylate >97.0%	5g	$629	2021-12-16	Buy
ChemScene	CS-0037529	tert-Butyl(S)-3-oxotetrahydro-3H-oxazolo[3,4-a]pyrazine-7(1H)-carboxylate >97.0%	1g	$212	2021-12-16	Buy
ChemScene	CS-0037529	tert-Butyl(S)-3-oxotetrahydro-3H-oxazolo[3,4-a]pyrazine-7(1H)-carboxylate >97.0%	100mg	$64	2021-12-16	Buy
ChemScene	CS-0037529	tert-Butyl(S)-3-oxotetrahydro-3H-oxazolo[3,4-a]pyrazine-7(1H)-carboxylate >97.0%	250mg	$106	2021-12-16	Buy
Crysdot	CD11003005	(S)-tert-Butyl 3-oxotetrahydro-1H-oxazolo[3,4-a]pyrazine-7(3H)-carboxylate 95+%	1g	$297	2026-05-26	Buy
Crysdot	CD11003005	(S)-tert-Butyl 3-oxotetrahydro-1H-oxazolo[3,4-a]pyrazine-7(3H)-carboxylate 95+%	5g	$892	2026-05-26	Buy
Synthonix	B61248	tert-Butyl (S)-3-oxotetrahydro-3H-oxazolo[3,4-a]pyrazine-7(1H)-carboxylate >98%	5g	$400	2026-05-06	Buy
Synthonix	B61248	tert-Butyl (S)-3-oxotetrahydro-3H-oxazolo[3,4-a]pyrazine-7(1H)-carboxylate >98%	100mg	$25	2026-05-06	Buy

Next Last

Properties

Boiling point :411.5±44.0 °C(Predicted)
Density :1.25±0.1 g/cm3(Predicted)
storage temp. :2-8°C
pka :-1.56±0.20(Predicted)
Appearance :Off-white to light yellow Solid

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

Description

Suppliers and manufacturers

ForeChem (Nantong) Technology Co.,Ltd. Chengdu jingzhihuacheng Chemical Technology Co., Ltd. Amadis Chemical Company Limited Shanghai Pingguo Pharmaceutical Co., Ltd. Wuxi AppTec Aikon International Limited CR Corporation Limited Labnetwork lnc. Hangzhou Huarong Pharm Co., Ltd. Baimei Jihua (Henan) Pharmaceutical Technology Co., Ltd

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