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ChemicalBook >> CAS DataBase List >> 3-(2-Chloroethyl)-6,7,8,9-tetrahydro-2-methyl-4H-pyrido[1,2-a]pyrimidin-4-one

3-(2-Chloroethyl)-6,7,8,9-tetrahydro-2-methyl-4H-pyrido[1,2-a]pyrimidin-4-one

$6 - $2630
Product name: 3-(2-Chloroethyl)-6,7,8,9-tetrahydro-2-methyl-4H-pyrido[1,2-a]pyrimidin-4-one
CAS: 63234-80-0
MF: C11H15ClN2O
MW: 226.7
EINECS:613-192-1
MDL Number:MFCD06200813
Synonyms:3-(2-Chloroethyl)-2-methyl-6,7,8,9-tetrahydro-4H-pyrido[1,2-a]-pyrididine-4-one (intermediate of Risperidone);3-(2-CHLOROETHYL)-2-METHYL-6,7,8,9-TETRAHYDRO-4H-PYRIDO[1,2-A]PYRIMIDIN-4-ONE;3-(2-CHLOROETHYL)-6,7,8,9-TETRAHYDRO-2-METHYL-4H-PYRIDINO[1,2-A]PYRIMIDINE-4-ONE;3-(2-CHLOROETHYL)-6,7,8,9-TETRAHYDRO-2-METHYL-4H-PYRIDO(1,2A)PYRIMIDINE-4-ONE;3-(2-CHLOROETHYL)-6,7,8,9-TETRAHYDRO-2-METHYL-4H-PYRLDO[1,2-A]PYRIMDIN-4-ONE;3-2(2-chloroethyl)-6,7,8,9-tetrahydro-2-methyl-4H-pyrido[1,2-alpha]pyrimnidin-4-one;3-2(2-CHLOROETHYL)-6,7,8,9-TETRAHYDRO-2-METHYL-4H-PYRIDO[1,2-A]PYRIMDIN-4-ONE;8-(CHLOROETHYL)-9-METHYL-6,10-DIAZABICYCLO[4.4.0]DECA-8,10-DIEN-7-ONE

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aablocks
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ManufacturerA2B
Product numberAI54099
Product description3-(2-Chloroethyl)-2-methyl-6,7,8,9-tetrahydro-4H-pyrido[1,2-a]pyrimidin-4-one 97%
Packaging1g
Price$10
Updated2026-05-25
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ManufacturerA2B
Product numberAI54099
Product description3-(2-Chloroethyl)-2-methyl-6,7,8,9-tetrahydro-4H-pyrido[1,2-a]pyrimidin-4-one 97%
Packaging5g
Price$15
Updated2026-05-25
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ManufacturerA2B
Product numberAI54099
Product description3-(2-Chloroethyl)-2-methyl-6,7,8,9-tetrahydro-4H-pyrido[1,2-a]pyrimidin-4-one 97%
Packaging10g
Price$18
Updated2026-05-25
Buy

ManufacturerA2B
Product numberAI54099
Product description3-(2-Chloroethyl)-2-methyl-6,7,8,9-tetrahydro-4H-pyrido[1,2-a]pyrimidin-4-one 97%
Packaging25g
Price$42
Updated2026-05-25
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ManufacturerA2B
Product numberAI54099
Product description3-(2-Chloroethyl)-2-methyl-6,7,8,9-tetrahydro-4H-pyrido[1,2-a]pyrimidin-4-one 97%
Packaging100g
Price$63
Updated2026-05-25
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Manufactureraablocks
Product numberAA00IB3R
Product description3-(2-Chloroethyl)-2-methyl-6，7，8，9-tetrahydro-4H-pyrido[1，2-a]pyrimidin-4-one 97%
Packaging25g
Price$47
Updated2026-05-29
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Manufactureraablocks
Product numberAA00IB3R
Product description3-(2-Chloroethyl)-2-methyl-6，7，8，9-tetrahydro-4H-pyrido[1，2-a]pyrimidin-4-one 97%
Packaging100g
Price$70
Updated2026-05-29
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Manufactureraablocks
Product numberAA00IB3R
Product description3-(2-Chloroethyl)-2-methyl-6，7，8，9-tetrahydro-4H-pyrido[1，2-a]pyrimidin-4-one 97%
Packaging10g
Price$19
Updated2026-05-29
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Manufactureraablocks
Product numberAA00IB3R
Product description3-(2-Chloroethyl)-2-methyl-6，7，8，9-tetrahydro-4H-pyrido[1，2-a]pyrimidin-4-one 97%
Packaging5g
Price$16
Updated2026-05-29
Buy

Manufactureraablocks
Product numberAA00IB3R
Product description3-(2-Chloroethyl)-2-methyl-6，7，8，9-tetrahydro-4H-pyrido[1，2-a]pyrimidin-4-one 97%
Packaging1g
Price$13
Updated2026-05-29
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ManufacturerAHH
Product numberMT-05237
Product description3-(2-Chloroethyl)-2-methyl-6,7,8,9-tetrahydro-4H-pyrido[1,2-a]pyrimidin-4-one 97%
Packaging25g
Price$245
Updated2026-05-26
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ManufacturerAK Scientific
Product numberI244
Product description3-(2-Chloroethyl)-6,7,8,9-tetrahydro-2-methyl-4H-pyrido[1,2-a]pyrimidin-4-one
Packaging25g
Price$151
Updated2021-12-16
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ManufacturerAmbeed
Product numberA123984
Product description3-(2-Chloroethyl)-2-methyl-6,7,8,9-tetrahydro-4H-pyrido[1,2-a]pyrimidin-4-one 97%
Packaging500g
Price$392
Updated2021-12-16
Buy

ManufacturerAmbeed
Product numberA123984
Product description3-(2-Chloroethyl)-2-methyl-6,7,8,9-tetrahydro-4H-pyrido[1,2-a]pyrimidin-4-one 97%
Packaging10g
Price$34
Updated2021-12-16
Buy

ManufacturerAmbeed
Product numberA123984
Product description3-(2-Chloroethyl)-2-methyl-6,7,8,9-tetrahydro-4H-pyrido[1,2-a]pyrimidin-4-one 97%
Packaging25g
Price$56
Updated2021-12-16
Buy

ManufacturerAmbeed
Product numberA123984
Product description3-(2-Chloroethyl)-2-methyl-6,7,8,9-tetrahydro-4H-pyrido[1,2-a]pyrimidin-4-one 97%
Packaging100g
Price$112
Updated2021-12-16
Buy

Manufacturer	Product number	Product description	Packaging	Price	Updated	Buy
A2B	AI54099	3-(2-Chloroethyl)-2-methyl-6,7,8,9-tetrahydro-4H-pyrido[1,2-a]pyrimidin-4-one 97%	1g	$10	2026-05-25	Buy
A2B	AI54099	3-(2-Chloroethyl)-2-methyl-6,7,8,9-tetrahydro-4H-pyrido[1,2-a]pyrimidin-4-one 97%	5g	$15	2026-05-25	Buy
A2B	AI54099	3-(2-Chloroethyl)-2-methyl-6,7,8,9-tetrahydro-4H-pyrido[1,2-a]pyrimidin-4-one 97%	10g	$18	2026-05-25	Buy
A2B	AI54099	3-(2-Chloroethyl)-2-methyl-6,7,8,9-tetrahydro-4H-pyrido[1,2-a]pyrimidin-4-one 97%	25g	$42	2026-05-25	Buy
A2B	AI54099	3-(2-Chloroethyl)-2-methyl-6,7,8,9-tetrahydro-4H-pyrido[1,2-a]pyrimidin-4-one 97%	100g	$63	2026-05-25	Buy
aablocks	AA00IB3R	3-(2-Chloroethyl)-2-methyl-6，7，8，9-tetrahydro-4H-pyrido[1，2-a]pyrimidin-4-one 97%	25g	$47	2026-05-29	Buy
aablocks	AA00IB3R	3-(2-Chloroethyl)-2-methyl-6，7，8，9-tetrahydro-4H-pyrido[1，2-a]pyrimidin-4-one 97%	100g	$70	2026-05-29	Buy
aablocks	AA00IB3R	3-(2-Chloroethyl)-2-methyl-6，7，8，9-tetrahydro-4H-pyrido[1，2-a]pyrimidin-4-one 97%	10g	$19	2026-05-29	Buy
aablocks	AA00IB3R	3-(2-Chloroethyl)-2-methyl-6，7，8，9-tetrahydro-4H-pyrido[1，2-a]pyrimidin-4-one 97%	5g	$16	2026-05-29	Buy
aablocks	AA00IB3R	3-(2-Chloroethyl)-2-methyl-6，7，8，9-tetrahydro-4H-pyrido[1，2-a]pyrimidin-4-one 97%	1g	$13	2026-05-29	Buy
AHH	MT-05237	3-(2-Chloroethyl)-2-methyl-6,7,8,9-tetrahydro-4H-pyrido[1,2-a]pyrimidin-4-one 97%	25g	$245	2026-05-26	Buy
AK Scientific	I244	3-(2-Chloroethyl)-6,7,8,9-tetrahydro-2-methyl-4H-pyrido[1,2-a]pyrimidin-4-one	25g	$151	2021-12-16	Buy
Ambeed	A123984	3-(2-Chloroethyl)-2-methyl-6,7,8,9-tetrahydro-4H-pyrido[1,2-a]pyrimidin-4-one 97%	500g	$392	2021-12-16	Buy
Ambeed	A123984	3-(2-Chloroethyl)-2-methyl-6,7,8,9-tetrahydro-4H-pyrido[1,2-a]pyrimidin-4-one 97%	10g	$34	2021-12-16	Buy
Ambeed	A123984	3-(2-Chloroethyl)-2-methyl-6,7,8,9-tetrahydro-4H-pyrido[1,2-a]pyrimidin-4-one 97%	25g	$56	2021-12-16	Buy
Ambeed	A123984	3-(2-Chloroethyl)-2-methyl-6,7,8,9-tetrahydro-4H-pyrido[1,2-a]pyrimidin-4-one 97%	100g	$112	2021-12-16	Buy

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Properties

Melting point :68.5-69.5 °C
Boiling point :337 °C
Density :1.30
Flash point :157 °C
storage temp. :Sealed in dry,Room Temperature
solubility :Chloroform (Slightly), Methanol (Slightly)
form :Solid
pka :3.58±0.70(Predicted)
color :White to Off-White
InChI :InChI=1S/C11H15ClN2O/c1-8-9(5-6-12)11(15)14-7-3-2-4-10(14)13-8/h2-7H2,1H3
InChIKey :CMWCQQUYLPYOMY-UHFFFAOYSA-N
SMILES :C12CCCCN1C(=O)C(CCCl)=C(C)N=2
CAS DataBase Reference :63234-80-0(CAS DataBase Reference)

Safety Information

Symbol(GHS):

Signal word:

Warning

Hazard statements:

Code	Hazard statements	Hazard class	Category	Signal word	Pictogram	P-Codes
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

Precautionary statements:

P264	Wash hands thoroughly after handling.
P264	Wash skin thouroughly after handling.
P280	Wear protective gloves/protective clothing/eye protection/face protection.

Description

3-(2-Chloroethyl)-6,7,8,9-TH-2-methyl-4H-pyrido[1,2-a]pyrimidin-4-one is an intermediate in the synthesis of Risperidone.

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Suppliers and manufacturers

Beijing Whale Technology Corporation Ltd. J & K SCIENTIFIC LTD. TCI (Shanghai) Development Co., Ltd. Energy Chemical Wuhan Chemwish Technology Co., Ltd Adamas Reagent, Ltd. Chemsky（shanghai）International Co.,Ltd. XiaoGan ShenYuan ChemPharm co,ltd Shanghai Feibo Chemical Technology Co., Ltd Syntechem Co.,Ltd

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3-(2-Chloroethyl)-6,7,8,9-tetrahydro-2-methyl-4H-pyrido[1,2-a]pyrimidin-4-one

Properties

Safety Information

Description

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