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 structure

CAS No.: 61751-44-8

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

Synonyms: ACID CAPTOR 9M;9-methyl-3,4-dihydropyrido[1,2-a]pyrimidin-2-one;9-Methyl-3,4-dihydro-2H-pyrido[1,2-a]pyrimidin-2-one;3,4-Dihydro-9-methyl-2H-pyrido[1,2-α]pyrimidin-2-one;3,4-Dihydro-9-methyl-2H-pyrido[1,2-$a]pyrimidin-2-one;2H-Pyrido[1,2-a]pyrimidin-2-one, 3,4-dihydro-9-methyl-;9-Methyl-3,4-dihydro-2H-pyrido[1,2-a]pyrimidin-2-one>3,4-DIHYDRO-9-METHYL-2H-PYRIDO[1,2-ALPHA]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 ISO 9001：2015 REACH

CBNumber:: CB1156452

Molecular Formula:: C9H10N2O

Molecular Weight:: 162.19

MDL Number:: MFCD00059749

MOL File:: 61751-44-8.mol

MSDS File:: SDS

TDS File:: TDS

Last updated:2026-09-12 18:48:59

Request For Quotation

9-Methyl-3,4-dihydro-2H-pyrido[1,2-a]pyrimidin-2-one 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)
FDA UNII	NR4AH9VD7X

SAFETY

Risk and Safety Statements

Symbol(GHS)	GHS07
Signal word	Warning
Hazard statements	H302-H315-H319-H335
Precautionary statements	P261-P280-P301+P312-P302+P352-P305+P351+P338
HS Code	2933998090

9-Methyl-3,4-dihydro-2H-pyrido[1,2-a]pyrimidin-2-one price More Price(13)

Manufacturer	Product number	Product description	CAS number	Packaging	Price	Updated	Buy
TCI Chemical	M0670	9-Methyl-3,4-dihydro-2H-pyrido[1,2-a]pyrimidin-2-one >99.0%(T)	61751-44-8	25g	$60	2026-04-30	Buy
Apolloscientific	OR937763	9-Methyl-3,4-dihydro-2H-pyrido[1,2-a]pyrimidin-2-one 95%	61751-44-8	5g	$143	2026-06-04	Buy
Apolloscientific	OR937763	9-Methyl-3,4-dihydro-2H-pyrido[1,2-a]pyrimidin-2-one 95%	61751-44-8	25g	$334	2026-06-04	Buy
ChemScene	CS-0380890	9-Methyl-3,4-dihydro-2H-pyrido[1,2-a]pyrimidin-2-one ≥98%	61751-44-8	500g	$2373	2026-06-04	Buy
Chem-Impex	43246	9-Methyl-3,4-dihydro-2H-pyrido[1,2-a]pyrimidin-2-one ≥99%(Assaybytitration)	61751-44-8	25G	$97.95	2026-05-19	Buy

Product number	Packaging	Price	Buy
M0670	25g	$60	Buy
OR937763	5g	$143	Buy
OR937763	25g	$334	Buy
CS-0380890	500g	$2373	Buy
43246	25G	$97.95	Buy

9-Methyl-3,4-dihydro-2H-pyrido[1,2-a]pyrimidin-2-one Preparation Products And Raw materials

Raw materials

Preparation Products

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

Global Suppliers ( 49)

Supplier	Tel	Email	Country	ProdList	Advantage
J & K SCIENTIFIC LTD.	18210857532 18210857532	jkinfo@jkchemical.com	China	96815	76
Meryer (Shanghai) Chemical Technology Co., Ltd.	4006356688 18621169109	market03@meryer.com	China	40202	62
TCI (Shanghai) Development Co., Ltd.	021-67121386	Sales-CN@TCIchemicals.com	China	24512	81
Energy Chemical	400-0056266	sales8178@energy-chemical.com	China	44850	61
Maya High Purity Chemicals	+86 (573) 82222445 (0)18006601000 452520369	sales@maya-r.com	China	11693	57
Jiangsu Aikon Biopharmaceutical R&D co.,Ltd.	025-66113011 13913916777	cfzhang@aikonchem.com	China	19902	55
TOKYO CHEMICAL INDUSTRY CO., LTD.	03-36680489	Sales-JP@TCIchemicals.com	Japan	28364	80
TCI Europe	320-37350700	sales@tcieurope.eu	Europe	23654	75
TCI AMERICA	800-4238616	sales@tciamerica.com	Americas	23636	75
9ding chemical ( Shanghai) Limited	4009209199	sales@9dingchem.com	China	22497	55

Supplier	Advantage
J & K SCIENTIFIC LTD.	76
Meryer (Shanghai) Chemical Technology Co., Ltd.	62
TCI (Shanghai) Development Co., Ltd.	81
Energy Chemical	61
Maya High Purity Chemicals	57
Jiangsu Aikon Biopharmaceutical R&D co.,Ltd.	55
TOKYO CHEMICAL INDUSTRY CO., LTD.	80
TCI Europe	75
TCI AMERICA	75
9ding chemical ( Shanghai) Limited	55

View Latest Price from 9-Methyl-3,4-dihydro-2H-pyrido[1,2-a]pyrimidin-2-one manufacturers

Image	Update time	Product	Price	Min. Order	Purity	Supply Ability	Manufacturer
	2025-06-25	9-METHYL-3,4-DIHYDRO-2H-PYRIDO[1,2-A]PYRIMIDIN-2-ONE 61751-44-8	$1.10	1g	99.0% min	100 tons min	Shaanxi Dideu Medichem Co. Ltd
	2021-08-12	9-METHYL-3,4-DIHYDRO-2H-PYRIDO[1,2-A]PYRIMIDIN-2-ONE 61751-44-8	$10.00-15.00	1KG	99%+ HPLC		Zhuozhou Wenxi import and Export Co., Ltd

9-METHYL-3,4-DIHYDRO-2H-PYRIDO[1,2-A]PYRIMIDIN-2-ONE
61751-44-8
$1.10
99.0% min
Shaanxi Dideu Medichem Co. Ltd

9-METHYL-3,4-DIHYDRO-2H-PYRIDO[1,2-A]PYRIMIDIN-2-ONE
61751-44-8
$10.00-15.00
99%+ HPLC
Zhuozhou Wenxi import and Export Co., Ltd

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

9-METHYL-3,4-DIHYDRO-2H-PYRIDO[1,2-A]PYRIMIDIN-2-ONE(61751-44-8)MS 9-METHYL-3,4-DIHYDRO-2H-PYRIDO[1,2-A]PYRIMIDIN-2-ONE(61751-44-8)IR1

61751-44-8 (9-Methyl-3,4-dihydro-2H-pyrido[1,2-a]pyrimidin-2-one) Related Search:

9-Methyl-3,4-dihydro-2H-pyrido[1,2-a]pyrimidin-2-one 3,4-Dihydro-2H-pyrido[1,2-a]pyrimidin-2-one 2H-pyrido[1,2-a]pyrimidine-2,4(3H)-dione 7-Bromo-3-methyl-2H-pyrido[1,2-a]pyrimidine-2,4(3H)-dione 4,8-Dimethyl-2-oxo-3,4-dihydro-2H-pyrido[1,2-a]-pyrimidine-4-carboxylic acid

4-Methyl-2-oxo-3,4-dihydro-2H-pyrido[1,2-a]pyrimidine-4-carboxylic acid

1of2

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- 9-METHYL-3,4-DIHYDRO-2H-PYRIDO[1,2-A]PYRIMIDIN-2-ONE ISO 9001：2015 REACH 9-Methyl-3,4-dihydro-2H-pyrido[1,2-a]pyrimidin-2-one 61751-44-8 C9H12N2O Condensation & Active Esterification Condensation & Active Esterification Synthetic Organic Chemistry