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ChemicalBook >> CAS DataBase List >> 4-Oxo-4H-pyrido[1,2-a]pyrimidine-3-carboxylic acid ethyl ester

4-Oxo-4H-pyrido[1,2-a]pyrimidine-3-carboxylic acid ethyl ester

$63 - $2480
Product name: 4-Oxo-4H-pyrido[1,2-a]pyrimidine-3-carboxylic acid ethyl ester
CAS: 32092-18-5
MF: C11H10N2O3
MW: 218.21
EINECS:
MDL Number:MFCD02102304
Synonyms:4-Oxo-4H-pyrido[1,2-a]pyrimidine-3-carboxylic acid ethyl ester;ethyl 4-oxopyrido[1,2-a]pyrimidine-3-carboxylate;4H-Pyrido[1,2-a]pyrimidine-4-oxo-3-carboxylic acid ethyl ester;3-Carboethoxy-4H-pyrido[1,2-a]pyrimidin-4-one;4H-Pyrido[1,2-a]pyrimidine-3-carboxylic acid, 4-oxo-, ethyl ester;4-ketopyrido[1,2-a]pyrimidine-3-carboxylic acid ethyl ester;4-oxo-3-pyrido[1,2-a]pyrimidinecarboxylic acid ethyl ester;Ethyl 4-oxo-4H-pyrido[1,2-a]pyrimidine-3-carboxylat

Price18 Properties Safety Information Description

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aablocks
ACHEMBLOCK
AK Scientific
American Custom Chemicals Corporation
Chemenu
Crysdot
Sigma-Aldrich
TRC

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5MG
25MG
250mg
500mg
1g
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1 unit

Manufactureraablocks
Product numberAA00C7ZJ
Product descriptionEthyl 4-Oxo-4H-Pyrido[1,2-a]Pyrimidine-3-Carboxylate 98%
Packaging250mg
Price$63
Updated2026-05-28
Buy

Manufactureraablocks
Product numberAA00C7ZJ
Product descriptionEthyl 4-Oxo-4H-Pyrido[1,2-a]Pyrimidine-3-Carboxylate 98%
Packaging1g
Price$140
Updated2026-05-28
Buy

Manufactureraablocks
Product numberAA00C7ZJ
Product descriptionEthyl 4-Oxo-4H-Pyrido[1,2-a]Pyrimidine-3-Carboxylate 98%
Packaging5g
Price$407
Updated2026-05-28
Buy

Manufactureraablocks
Product numberAA00C7ZJ
Product descriptionEthyl 4-Oxo-4H-Pyrido[1,2-a]Pyrimidine-3-Carboxylate 98%
Packaging10g
Price$540
Updated2026-05-28
Buy

Manufactureraablocks
Product numberAA00C7ZJ
Product descriptionEthyl 4-Oxo-4H-Pyrido[1,2-a]Pyrimidine-3-Carboxylate 98%
Packaging25g
Price$1074
Updated2026-05-28
Buy

ManufacturerACHEMBLOCK
Product numberAD257771
Product description4-Oxo-4H-pyrido[1,2-a]pyrimidine-3-carboxylic acid ethyl ester 95%
Packaging25G
Price$2480
Updated2026-05-27
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ManufacturerACHEMBLOCK
Product numberAD257771
Product description4-Oxo-4H-pyrido[1,2-a]pyrimidine-3-carboxylic acid ethyl ester 95%
Packaging5G
Price$620
Updated2026-05-27
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ManufacturerACHEMBLOCK
Product numberAD257771
Product description4-Oxo-4H-pyrido[1,2-a]pyrimidine-3-carboxylic acid ethyl ester 95%
Packaging1G
Price$180
Updated2026-05-27
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ManufacturerAK Scientific
Product numberV5149
Product descriptionEthyl4-oxo-4H-pyrido[1,2-a]pyrimidine-3-carboxylate
Packaging25g
Price$1355.6
Updated2021-12-16
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ManufacturerAmerican Custom Chemicals Corporation
Product numberCHM0305829
Product descriptionETHYL-4-OXO-4H-PYRIDO[1,2-A]PYRIMIDINE-3-CARBOXYLATE 95.00%
Packaging5MG
Price$504.66
Updated2021-12-16
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ManufacturerChemenu
Product numberCM165223
Product descriptionEthyl 4-oxo-4H-pyrido[1,2-a]pyrimidine-3-carboxylate 95%
Packaging5g
Price$482
Updated2026-05-26
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ManufacturerChemenu
Product numberCM165223
Product descriptionEthyl 4-oxo-4H-pyrido[1,2-a]pyrimidine-3-carboxylate 95%
Packaging1g
Price$162
Updated2026-05-26
Buy

ManufacturerChemenu
Product numberCM165223
Product descriptionEthyl 4-oxo-4H-pyrido[1,2-a]pyrimidine-3-carboxylate 95%
Packaging250mg
Price$73
Updated2026-05-26
Buy

ManufacturerCrysdot
Product numberCD11145891
Product descriptionEthyl 4-oxo-4H-pyrido[1,2-a]pyrimidine-3-carboxylate 95+%
Packaging10g
Price$500
Updated2026-05-26
Buy

ManufacturerCrysdot
Product numberCD11145891
Product descriptionEthyl 4-oxo-4H-pyrido[1,2-a]pyrimidine-3-carboxylate 95+%
Packaging5g
Price$314
Updated2026-05-26
Buy

ManufacturerSigma-Aldrich
Product numberR663654
Product descriptionETHYL 4-OXO-4H-PYRIDO(1,2-A)PYRIMIDINE-3-CARBOXYLATE Aldrich^CPR
Packaging1 unit
Price$197
Updated2026-04-30
Buy

Manufacturer	Product number	Product description	Packaging	Price	Updated	Buy
aablocks	AA00C7ZJ	Ethyl 4-Oxo-4H-Pyrido[1,2-a]Pyrimidine-3-Carboxylate 98%	250mg	$63	2026-05-28	Buy
aablocks	AA00C7ZJ	Ethyl 4-Oxo-4H-Pyrido[1,2-a]Pyrimidine-3-Carboxylate 98%	1g	$140	2026-05-28	Buy
aablocks	AA00C7ZJ	Ethyl 4-Oxo-4H-Pyrido[1,2-a]Pyrimidine-3-Carboxylate 98%	5g	$407	2026-05-28	Buy
aablocks	AA00C7ZJ	Ethyl 4-Oxo-4H-Pyrido[1,2-a]Pyrimidine-3-Carboxylate 98%	10g	$540	2026-05-28	Buy
aablocks	AA00C7ZJ	Ethyl 4-Oxo-4H-Pyrido[1,2-a]Pyrimidine-3-Carboxylate 98%	25g	$1074	2026-05-28	Buy
ACHEMBLOCK	AD257771	4-Oxo-4H-pyrido[1,2-a]pyrimidine-3-carboxylic acid ethyl ester 95%	25G	$2480	2026-05-27	Buy
ACHEMBLOCK	AD257771	4-Oxo-4H-pyrido[1,2-a]pyrimidine-3-carboxylic acid ethyl ester 95%	5G	$620	2026-05-27	Buy
ACHEMBLOCK	AD257771	4-Oxo-4H-pyrido[1,2-a]pyrimidine-3-carboxylic acid ethyl ester 95%	1G	$180	2026-05-27	Buy
AK Scientific	V5149	Ethyl4-oxo-4H-pyrido[1,2-a]pyrimidine-3-carboxylate	25g	$1355.6	2021-12-16	Buy
American Custom Chemicals Corporation	CHM0305829	ETHYL-4-OXO-4H-PYRIDO[1,2-A]PYRIMIDINE-3-CARBOXYLATE 95.00%	5MG	$504.66	2021-12-16	Buy
Chemenu	CM165223	Ethyl 4-oxo-4H-pyrido[1,2-a]pyrimidine-3-carboxylate 95%	5g	$482	2026-05-26	Buy
Chemenu	CM165223	Ethyl 4-oxo-4H-pyrido[1,2-a]pyrimidine-3-carboxylate 95%	1g	$162	2026-05-26	Buy
Chemenu	CM165223	Ethyl 4-oxo-4H-pyrido[1,2-a]pyrimidine-3-carboxylate 95%	250mg	$73	2026-05-26	Buy
Crysdot	CD11145891	Ethyl 4-oxo-4H-pyrido[1,2-a]pyrimidine-3-carboxylate 95+%	10g	$500	2026-05-26	Buy
Crysdot	CD11145891	Ethyl 4-oxo-4H-pyrido[1,2-a]pyrimidine-3-carboxylate 95+%	5g	$314	2026-05-26	Buy
Sigma-Aldrich	R663654	ETHYL 4-OXO-4H-PYRIDO(1,2-A)PYRIMIDINE-3-CARBOXYLATE Aldrich^CPR	1 unit	$197	2026-04-30	Buy

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Properties

Melting point :110-111 °C
Boiling point :354.7±52.0 °C(Predicted)
Density :1.29±0.1 g/cm3(Predicted)
storage temp. :2-8°C
pka :1.50±0.50(Predicted)
InChI :InChI=1S/C11H10N2O3/c1-2-16-11(15)8-7-12-9-5-3-4-6-13(9)10(8)14/h3-7H,2H2,1H3
InChIKey :LURYFDMBWJWDQH-UHFFFAOYSA-N
SMILES :C12C=CC=CN1C(=O)C(C(OCC)=O)=CN=2

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
H320	Causes eye irritation	Serious eye damage/eye irritation	Category 2B	Warning	P264, P305+P351+P338,P337+P313
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

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Energy Chemical Wuhan Chemwish Technology Co., Ltd Pure Chemistry Scientific Inc. Jiangsu Aikon Biopharmaceutical R&D co.,Ltd. 9ding chemical ( Shanghai) Limited Shanghai Aladdin Bio-Chem Technology Co.,LTD Wuhan Chemwish Technology Co.， Ltd Amadis Chemical Company Limited Nanjing KaiMubo Pharmaceutical Co., Ltd. Aikon International Limited

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4-Oxo-4H-pyrido[1,2-a]pyrimidine-3-carboxylic acid ethyl ester

Properties

Safety Information

Description

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