Shanghai Nianxing Industrial Co., Ltd
China
Product Name: 2-hydroxy-9-methyl-4H-pyrido[1,2-a]pyrimidin-4-one
Price: Check
Purity: 98.0%
Stocking Period: 10 Day
Contact: Yang
Email: sales@echemcloud.com

Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: 4H-Pyrido[1,2-a]pyrimidin-4-one,2-hydroxy-9-methyl-
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

17326-09-9

17326-09-9 structure

17326-09-9 structure

Name: 4H-Pyrido[1,2-a]pyrimidin-4-one,2-hydroxy-9-methyl-
Chemical Name: 4-hydroxy-9-methylpyrido[1,2-a]pyrimidin-2-one
CAS Number: 17326-09-9
Molecular Formula: C₉H₈N₂O₂
Molecular Weight: 176.17200
Create Date: 2018-12-24 19:57:20
Modify Date: 2025-09-19 20:48:59

Name	4-hydroxy-9-methylpyrido[1,2-a]pyrimidin-2-one
Synonyms	2-Hydroxy-9-methyl-4H-pyrido[1,2-a]pyrimidin-4-one Anhydro-(9-methyl-2-hydroxy-4-oxo-4H-pyrido[1,2-a]pyrimidinium-(1)-hydroxyd) 4-hydroxy-9-methyl-2h-pyrido[1,2-a]pyrimidin-2-one

Density	1.35g/cm3
Boiling Point	323.7ºC at 760mmHg
Molecular Formula	C₉H₈N₂O₂
Molecular Weight	176.17200
Flash Point	149.6ºC
Exact Mass	176.05900
PSA	54.60000
LogP	0.70850
Vapour Pressure	2.03E-05mmHg at 25°C
Index of Refraction	1.653

HS Code	2933990090

1603-40-3 structure

1603-40-3

105-53-3 structure

105-53-3

~97%

17326-09-9 structure

17326-09-9

Literature: PFIZER INC.; SAKURADA, Isao; ZHANG, Lei Patent: WO2012/38850 A1, 2012 ; Location in patent: Page/Page column 29 ; WO 2012/038850 A1

Precursor 2
1603-40-3 105-53-3
DownStream 1
17326-22-6

HS Code	2933990090
Summary	2933990090. heterocyclic compounds with nitrogen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

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