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ChemicalBook >> CAS DataBase List >> 9-Methyl-3,4-dihydro-2H-pyrido[1,2-a]pyrimidin-2-one

9-Methyl-3,4-dihydro-2H-pyrido[1,2-a]pyrimidin-2-one

9-Methyl-3,4-dihydro-2H-pyrido[1,2-a]pyrimidin-2-one price.
  • $45 - $2373
  • Product name: 9-Methyl-3,4-dihydro-2H-pyrido[1,2-a]pyrimidin-2-one
  • CAS: 61751-44-8
  • MF: C9H10N2O
  • MW: 162.19
  • EINECS:
  • MDL Number:MFCD00059749
  • Synonyms:ACID CAPTOR 9M;3,4-DIHYDRO-9-METHYL-2H-PYRIDO[1,2-ALPHA]PYRIMIDIN-2-ONE;3,4-Dihydro-9-methyl-2H-pyrido[1,2-$a]pyrimidin-2-one;3,4-Dihydro-9-methyl-2H-pyrido[1,2-α]pyrimidin-2-one;9-Methyl-3,4-dihydro-2H-pyrido[1,2-a]pyrimidin-2-one;9-methyl-3,4-dihydropyrido[1,2-a]pyrimidin-2-one;9-Methyl-3,4-dihydro-2H-pyrido[1,2-a]pyrimidin-2-one>2H-Pyrido[1,2-a]pyrimidin-2-one, 3,4-dihydro-9-methyl-
Price13 Properties Safety Information Description
13 prices
Selected condition：
Brand
  • aablocks
  • AHH
  • AK Scientific
  • Alichem
  • American Custom Chemicals Corporation
  • Apolloscientific
  • Chem-Impex
  • ChemScene
  • Crysdot
  • TCI Chemical
  • TRC
Package
  • 250mg
  • 5g
  • 25g
  • 500g
  • 1000g
  • Manufactureraablocks
  • Product numberAA003NIK
  • Product description9-Methyl-3,4-Dihydro-2H-Pyrido[1,2-A]Pyrimidin-2-One ≥99%(T)
  • Packaging5g
  • Price$60
  • Updated2026-05-28
  • Buy
  • Manufactureraablocks
  • Product numberAA003NIK
  • Product description9-Methyl-3,4-Dihydro-2H-Pyrido[1,2-A]Pyrimidin-2-One ≥99%(T)
  • Packaging25g
  • Price$200
  • Updated2026-05-28
  • Buy
  • ManufacturerAHH
  • Product numberMT-09743
  • Product description3,4-Dihydro-9-methyl-2H-pyrido[1,2-alpha]pyrimidin-2one 97%
  • Packaging1000g
  • Price$678
  • Updated2026-05-26
  • Buy
  • ManufacturerAK Scientific
  • Product number6970AL
  • Product description9-Methyl-3,4-dihydro-2H-pyrido[1,2-a]pyrimidin-2-one
  • Packaging25g
  • Price$229
  • Updated2021-12-16
  • Buy
  • ManufacturerAlichem
  • Product number61751448
  • Product description9-Methyl-3,4-dihydro-2H-pyrido[1,2-a]pyrimidin-2-one
  • Packaging500g
  • Price$938.1
  • Updated2021-12-16
  • Buy
  • ManufacturerAmerican Custom Chemicals Corporation
  • Product numberCHM0013422
  • Product description9-METHYL-3,4-DIHYDRO-2H-PYRIDO[1,2-A]PYRIMIDIN-2-ONE 95.00%
  • Packaging25G
  • Price$1192.38
  • Updated2021-12-16
  • Buy
  • ManufacturerApolloscientific
  • Product numberOR937763
  • Product description9-Methyl-3,4-dihydro-2H-pyrido[1,2-a]pyrimidin-2-one 95%
  • Packaging5g
  • Price$143
  • Updated2026-06-04
  • Buy
  • ManufacturerApolloscientific
  • Product numberOR937763
  • Product description9-Methyl-3,4-dihydro-2H-pyrido[1,2-a]pyrimidin-2-one 95%
  • Packaging25g
  • Price$334
  • Updated2026-06-04
  • Buy
  • ManufacturerChem-Impex
  • Product number43246
  • Product description9-Methyl-3,4-dihydro-2H-pyrido[1,2-a]pyrimidin-2-one ≥99%(Assaybytitration)
  • Packaging25G
  • Price$97.95
  • Updated2026-05-19
  • Buy
  • ManufacturerChemScene
  • Product numberCS-0380890
  • Product description9-Methyl-3,4-dihydro-2H-pyrido[1,2-a]pyrimidin-2-one ≥98%
  • Packaging500g
  • Price$2373
  • Updated2026-06-04
  • Buy
  • ManufacturerCrysdot
  • Product numberCD11091429
  • Product description9-Methyl-3,4-dihydro-2H-pyrido[1,2-a]pyrimidin-2-one 95+%
  • Packaging500g
  • Price$877
  • Updated2026-05-26
  • Buy
  • ManufacturerTCI Chemical
  • Product numberM0670
  • Product description9-Methyl-3,4-dihydro-2H-pyrido[1,2-a]pyrimidin-2-one >99.0%(T)
  • Packaging25g
  • Price$60
  • Updated2026-04-30
  • Buy
  • ManufacturerTRC
  • Product numberM303560
  • Product description9-Methyl-3,4-dihydro-2H-pyrido[1,2-a]pyrimidin-2-one
  • Packaging250mg
  • Price$45
  • Updated2021-12-16
  • Buy
Manufacturer Product number Product description Packaging Price Updated Buy
aablocks AA003NIK 9-Methyl-3,4-Dihydro-2H-Pyrido[1,2-A]Pyrimidin-2-One ≥99%(T) 5g $60 2026-05-28 Buy
aablocks AA003NIK 9-Methyl-3,4-Dihydro-2H-Pyrido[1,2-A]Pyrimidin-2-One ≥99%(T) 25g $200 2026-05-28 Buy
AHH MT-09743 3,4-Dihydro-9-methyl-2H-pyrido[1,2-alpha]pyrimidin-2one 97% 1000g $678 2026-05-26 Buy
AK Scientific 6970AL 9-Methyl-3,4-dihydro-2H-pyrido[1,2-a]pyrimidin-2-one 25g $229 2021-12-16 Buy
Alichem 61751448 9-Methyl-3,4-dihydro-2H-pyrido[1,2-a]pyrimidin-2-one 500g $938.1 2021-12-16 Buy
American Custom Chemicals Corporation CHM0013422 9-METHYL-3,4-DIHYDRO-2H-PYRIDO[1,2-A]PYRIMIDIN-2-ONE 95.00% 25G $1192.38 2021-12-16 Buy
Apolloscientific OR937763 9-Methyl-3,4-dihydro-2H-pyrido[1,2-a]pyrimidin-2-one 95% 5g $143 2026-06-04 Buy
Apolloscientific OR937763 9-Methyl-3,4-dihydro-2H-pyrido[1,2-a]pyrimidin-2-one 95% 25g $334 2026-06-04 Buy
Chem-Impex 43246 9-Methyl-3,4-dihydro-2H-pyrido[1,2-a]pyrimidin-2-one ≥99%(Assaybytitration) 25G $97.95 2026-05-19 Buy
ChemScene CS-0380890 9-Methyl-3,4-dihydro-2H-pyrido[1,2-a]pyrimidin-2-one ≥98% 500g $2373 2026-06-04 Buy
Crysdot CD11091429 9-Methyl-3,4-dihydro-2H-pyrido[1,2-a]pyrimidin-2-one 95+% 500g $877 2026-05-26 Buy
TCI Chemical M0670 9-Methyl-3,4-dihydro-2H-pyrido[1,2-a]pyrimidin-2-one >99.0%(T) 25g $60 2026-04-30 Buy
TRC M303560 9-Methyl-3,4-dihydro-2H-pyrido[1,2-a]pyrimidin-2-one 250mg $45 2021-12-16 Buy

Properties

Melting point :226 °C
Boiling point :279.6±23.0 °C(Predicted)
Density :1.22±0.1 g/cm3(Predicted)
pka :3.09±0.20(Predicted)
form :powder to crystal
color :White to Almost white
InChI :InChI=1S/C9H10N2O/c1-7-3-2-5-11-6-4-8(12)10-9(7)11/h2-3,5H,4,6H2,1H3
InChIKey :HPVULYKIYNGGJG-UHFFFAOYSA-N
SMILES :C12C(C)=CC=CN1CCC(=O)N=2
CAS DataBase Reference :61751-44-8(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
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

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61751-44-8 2H-pyrido[1,2-a]pyrimidine-2,4(3H)-dione 4-METHYL-2-OXO-3,4-DIHYDRO-2H-PYRIDO[1,2-A]PYRIMIDINE-4-CARBOXYLIC ACID

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Suppliers and manufacturers

J & K SCIENTIFIC LTD. Meryer (Shanghai) Chemical Technology Co., Ltd. TCI (Shanghai) Development Co., Ltd. Energy Chemical Maya High Purity Chemicals Jiangsu Aikon Biopharmaceutical R&D co.,Ltd. TOKYO CHEMICAL INDUSTRY CO., LTD. TCI Europe TCI AMERICA 9ding chemical ( Shanghai) Limited