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ChemicalBook >> CAS DataBase List >> 3-(2-Chloroethyl)-2-methylpyrido[1,2-a]pyrimidin-4-one

3-(2-Chloroethyl)-2-methylpyrido[1,2-a]pyrimidin-4-one

3-(2-Chloroethyl)-2-methylpyrido[1,2-a]pyrimidin-4-one price.
  • $18 - $2120
  • Product name: 3-(2-Chloroethyl)-2-methylpyrido[1,2-a]pyrimidin-4-one
  • CAS: 41078-70-0
  • MF: C11H11ClN2O
  • MW: 222.67
  • EINECS:255-207-0
  • MDL Number:MFCD03085747
  • Synonyms:3-(2-CHLOORETHYL)-2-METHYL-4H-PYRIDO[1,2-A]PYRIMIDINE-4-ON;3-(2-CHLOROETHYL)-2-METHYL-4H-PYRIDO-[1,2-ALPHA]PYRIMIDIN-4-ONE;3-(2-CHLOROETHYL)-2-METHYLPYRIDO[1,2-A]PYRIMIDIN-4-ONE;3-(2-Chloroethyl)-2-methylpyrido[1,2-α]pyrimidin-4-one;3-(2-CHLOROETHYL)-2-METHYL-4H-PYRIDO[1,2-A] PYRIMNIDIN-4-ONE;3-(2-Chloroethyl)-6,7,8,9-Tetrahydro-2-Methyl-4H-Pyridin[1,2-A]-PyrimidineC4-One;3-(2-Chloroethyl)-2-methylpyrido[1,2-a]pyrimidin-4-one 3-(2-Chloroethyl)-2-methyl-4H-pyrido[1,2-a]pyrimidin-4-one;3-(2-Chloroethyl)-2-methyl-4H-pyrido[1,2-a]pyrimidin-4-one
Price34 Properties Safety Information Description
34 prices
Selected condition：
Brand
  • aablocks
  • ACHEMBLOCK
  • AHH
  • AK Scientific
  • Alichem
  • American Custom Chemicals Corporation
  • AstaTech
  • Biosynth
  • Chemenu
  • Chem-Impex
  • Crysdot
  • Medical Isotopes, Inc.
  • TCI Chemical
  • TRC
Package
  • 0.5g
  • 1g
  • 2g
  • 5g
  • 10g
  • 25g
  • 50g
  • 100g
  • 500g
  • Manufactureraablocks
  • Product numberAA00739Q
  • Product description3-(2-Chloroethyl)-2-methyl-4H-pyrido[1,2-a]pyrimidin-4-one 98%
  • Packaging5g
  • Price$30
  • Updated2026-05-28
  • Buy
  • Manufactureraablocks
  • Product numberAA00739Q
  • Product description3-(2-Chloroethyl)-2-methyl-4H-pyrido[1,2-a]pyrimidin-4-one 98%
  • Packaging1g
  • Price$18
  • Updated2026-05-28
  • Buy
  • Manufactureraablocks
  • Product numberAA00739Q
  • Product description3-(2-Chloroethyl)-2-methyl-4H-pyrido[1,2-a]pyrimidin-4-one 98%
  • Packaging25g
  • Price$102
  • Updated2026-05-28
  • Buy
  • Manufactureraablocks
  • Product numberAA00739Q
  • Product description3-(2-Chloroethyl)-2-methyl-4H-pyrido[1,2-a]pyrimidin-4-one 98%
  • Packaging100g
  • Price$234
  • Updated2026-05-28
  • Buy
  • Manufactureraablocks
  • Product numberAA00739Q
  • Product description3-(2-Chloroethyl)-2-methyl-4H-pyrido[1,2-a]pyrimidin-4-one 98%
  • Packaging500g
  • Price$940
  • Updated2026-05-28
  • Buy
  • ManufacturerACHEMBLOCK
  • Product numberY231162
  • Product description3-(2-Chloroethyl)-2-methylpyrido[1,2-a]pyrimidin-4-one 95%
  • Packaging100G
  • Price$670
  • Updated2026-05-27
  • Buy
  • ManufacturerAHH
  • Product numberMT-05235
  • Product description3-(2-Chloroethyl)-2-methyl-4H-pyrido-[1,2-a]pyrimidin-4one 98%
  • Packaging1g
  • Price$376
  • Updated2021-12-16
  • Buy
  • ManufacturerAHH
  • Product numberMT-05235
  • Product description3-(2-Chloroethyl)-2-methyl-4H-pyrido-[1,2-a]pyrimidin-4one 97%
  • Packaging1g
  • Price$376
  • Updated2026-05-25
  • Buy
  • ManufacturerAHH
  • Product numberMT-05235
  • Product description3-(2-Chloroethyl)-2-methyl-4H-pyrido-[1,2-a]pyrimidin-4one 97%
  • Packaging1g
  • Price$376
  • Updated2026-05-26
  • Buy
  • ManufacturerAK Scientific
  • Product numberS378
  • Product description3-(2-Chloroethyl)-2-methyl-4H-pyrido[1,2-a]pyrimidin-4-one
  • Packaging10g
  • Price$90
  • Updated2021-12-16
  • Buy
  • ManufacturerAK Scientific
  • Product numberS378
  • Product description3-(2-Chloroethyl)-2-methyl-4H-pyrido[1,2-a]pyrimidin-4-one
  • Packaging100g
  • Price$598
  • Updated2021-12-16
  • Buy
  • ManufacturerAlichem
  • Product number41078700
  • Product description3-(2-Chloroethyl)-2-methyl-4H-pyrido[1,2-a]pyrimidin-4-one
  • Packaging100g
  • Price$910.54
  • Updated2021-12-16
  • Buy
  • ManufacturerAlichem
  • Product number41078700
  • Product description3-(2-Chloroethyl)-2-methyl-4H-pyrido[1,2-a]pyrimidin-4-one
  • Packaging25g
  • Price$203.52
  • Updated2021-12-16
  • Buy
  • ManufacturerAmerican Custom Chemicals Corporation
  • Product numberAPN0001886
  • Product description3-(2-CHLOROETHYL)-2-METHYL-4H-PYRIDO-[1,2-A]PYRIMIDIN-4-ONE 95.00%
  • Packaging1G
  • Price$518.7
  • Updated2021-12-16
  • Buy
  • ManufacturerAstaTech
  • Product number40306
  • Product description3-(2-CHLORO-ETHYL)-2-METHYL-PYRIDO[1,2-A]PYRIMIDIN-4-ONE 97%
  • Packaging25G
  • Price$116
  • Updated2026-04-30
  • Buy
  • ManufacturerAstaTech
  • Product number40306
  • Product description3-(2-CHLORO-ETHYL)-2-METHYL-PYRIDO[1,2-A]PYRIMIDIN-4-ONE 97%
  • Packaging5G
  • Price$29
  • Updated2026-04-30
  • Buy
Manufacturer Product number Product description Packaging Price Updated Buy
aablocks AA00739Q 3-(2-Chloroethyl)-2-methyl-4H-pyrido[1,2-a]pyrimidin-4-one 98% 5g $30 2026-05-28 Buy
aablocks AA00739Q 3-(2-Chloroethyl)-2-methyl-4H-pyrido[1,2-a]pyrimidin-4-one 98% 1g $18 2026-05-28 Buy
aablocks AA00739Q 3-(2-Chloroethyl)-2-methyl-4H-pyrido[1,2-a]pyrimidin-4-one 98% 25g $102 2026-05-28 Buy
aablocks AA00739Q 3-(2-Chloroethyl)-2-methyl-4H-pyrido[1,2-a]pyrimidin-4-one 98% 100g $234 2026-05-28 Buy
aablocks AA00739Q 3-(2-Chloroethyl)-2-methyl-4H-pyrido[1,2-a]pyrimidin-4-one 98% 500g $940 2026-05-28 Buy
ACHEMBLOCK Y231162 3-(2-Chloroethyl)-2-methylpyrido[1,2-a]pyrimidin-4-one 95% 100G $670 2026-05-27 Buy
AHH MT-05235 3-(2-Chloroethyl)-2-methyl-4H-pyrido-[1,2-a]pyrimidin-4one 98% 1g $376 2021-12-16 Buy
AHH MT-05235 3-(2-Chloroethyl)-2-methyl-4H-pyrido-[1,2-a]pyrimidin-4one 97% 1g $376 2026-05-25 Buy
AHH MT-05235 3-(2-Chloroethyl)-2-methyl-4H-pyrido-[1,2-a]pyrimidin-4one 97% 1g $376 2026-05-26 Buy
AK Scientific S378 3-(2-Chloroethyl)-2-methyl-4H-pyrido[1,2-a]pyrimidin-4-one 10g $90 2021-12-16 Buy
AK Scientific S378 3-(2-Chloroethyl)-2-methyl-4H-pyrido[1,2-a]pyrimidin-4-one 100g $598 2021-12-16 Buy
Alichem 41078700 3-(2-Chloroethyl)-2-methyl-4H-pyrido[1,2-a]pyrimidin-4-one 100g $910.54 2021-12-16 Buy
Alichem 41078700 3-(2-Chloroethyl)-2-methyl-4H-pyrido[1,2-a]pyrimidin-4-one 25g $203.52 2021-12-16 Buy
American Custom Chemicals Corporation APN0001886 3-(2-CHLOROETHYL)-2-METHYL-4H-PYRIDO-[1,2-A]PYRIMIDIN-4-ONE 95.00% 1G $518.7 2021-12-16 Buy
AstaTech 40306 3-(2-CHLORO-ETHYL)-2-METHYL-PYRIDO[1,2-A]PYRIMIDIN-4-ONE 97% 25G $116 2026-04-30 Buy
AstaTech 40306 3-(2-CHLORO-ETHYL)-2-METHYL-PYRIDO[1,2-A]PYRIMIDIN-4-ONE 97% 5G $29 2026-04-30 Buy
Next Last

Properties

Melting point :144.0 to 148.0 °C
Density :1.41g/cm3 at 20℃
vapor pressure :0-0Pa at 20-25℃
storage temp. :Sealed in dry,Room Temperature
solubility :Chloroform (Slightly), Methanol (Slightly)
form :Solid:particulate/powder
color :White to Light yellow
InChI :1S/C11H11ClN2O/c1-8-9(5-6-12)11(15)14-7-3-2-4-10(14)13-8/h2-4,7H,5-6H2,1H3
InChIKey :LFTGLYCNMGGMKL-UHFFFAOYSA-N
SMILES :O=C1N2C(C=CC=C2)=NC(C)=C1CCCl
LogP :1.9 at 20℃ and pH7
CAS DataBase Reference :41078-70-0(CAS DataBase Reference)

Safety Information

Symbol(GHS): Exclamation Mark (GHS07)
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)-2-methyl-4H-pyrido[1,2-a]pyrimidin-4-one is an intermediary compound obtained in the synthesis of Risperidone.

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Pirimiphos-methyl 4-Methylpyridine 74223-64-6 2,6-Lutidine 2-Chloro-5-chloromethylpyridine Kresoxim-methyl 2,4,6-Collidine Methylparaben Azamethiphos Methyl acrylate Methyl acetate 2,4-Difluorobenzoyl Risperidone IMpurity Desfluoro Risperidone 63234-80-0 3-[2-[4-[4-Fluoro-2-[4-(6-fluoro-1,2-benzisoxazol-3-yl)piperidin-1-yl]benzolyl]piperidin-1-yl]ethyl-2-Methyl-6,7,8,9-tetrahydro-4H-pyrido[1,2-a]pyriMidin-4-one (Risperidone IMpurity) 6-Fluoro-3-(1,2,3,6-tetra... Risperidone E-Oxime

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Suppliers and manufacturers

Moxin Chemicals
Paliperidone Impurity
Paliperidone Impurity CAS:41078-70-0
career henan chemical co
3-(2-chloroethyl)-2-methyl-4h-pyrido-[1,2-a]pyrimidin-4-one
$1.00
3-(2-chloroethyl)-2-methyl-4h-pyrido-[1,2-a]pyrimidin-4-one CAS:41078-70-0
Dideu Industries Group Limited
3-(2-Chloroethyl)-2-methylpyrido[1,2-a]pyrimidin-4-one
$1.10
3-(2-Chloroethyl)-2-methylpyrido[1,2-a]pyrimidin-4-one CAS:41078-70-0
CONIER CHEM AND PHARMA LIMITED
SIMAGCHEM CORP
Hefei TNJ Chemical Industry Co.,Ltd.
ANHUI WITOP BIOTECH CO., LTD
AFINE CHEMICALS LIMITED
Dayang Chem (Hangzhou) Co.,Ltd.
HANGZHOU LEAP CHEM CO., LTD.