2-(METHYLTHIO)PYRIDO[4,3-D]PYRIMIDIN-5(6H)-ONE

Modify Date: 2025-10-04 11:34:49

2-(METHYLTHIO)PYRIDO[4,3-D]PYRIMIDIN-5(6H)-ONE structure	Common Name	2-(METHYLTHIO)PYRIDO[4,3-D]PYRIMIDIN-5(6H)-ONE
	CAS Number	902576-09-4	Molecular Weight	193.22600
	Density	N/A	Boiling Point	496.0±45.0°C at 760 mmHg
	Molecular Formula	C₈H₇N₃OS	Melting Point	N/A
	MSDS	N/A	Flash Point	N/A

Name	2-methylsulfanyl-6H-pyrido[4,3-d]pyrimidin-5-one
Synonym	More Synonyms

Boiling Point	496.0±45.0°C at 760 mmHg
Molecular Formula	C₈H₇N₃OS
Molecular Weight	193.22600
Exact Mass	193.03100
PSA	84.20000
LogP	1.45230

HS Code	2933990090

4-((E)-2-dimeth...

CAS#:1228565-00-1

~75%

2-(METHYLTHIO)P...

CAS#:902576-09-4

Literature: MERCK PATENT GMBH; SCHIEMANN, Kai; SCHULTZ, Melanie; STAEHLE, Wolfgang; KOBER, Ingo; WIENKE, Dirk; KRIER, Mireille Patent: WO2010/63352 A1, 2010 ; Location in patent: Page/Page column 89 ; WO 2010/063352 A1

Ethyl 4-Methyl-...

CAS#:7234-25-5

2-(METHYLTHIO)P...

CAS#:902576-09-4

Literature: AbbVie Inc.; Woods, Keith W.; Mastracchio, Anthony; Lai, Chunqiu; Gandhi, Viraj B.; Penning, Thomas D. Patent: US2013/225589 A1, 2013 ;

ethoxymethylene...

CAS#:66975-53-9

2-(METHYLTHIO)P...

CAS#:902576-09-4

Literature: MERCK PATENT GMBH; BURGDORF, Lars; KUHN, Daniel; ROSS, Tatjana; DEUTSCH, Carl Patent: WO2014/23385 A1, 2014 ;

Precursor 3
CAS#:1228565-00-1 4-((E)-2-dimeth... CAS#:7234-25-5 Ethyl 4-Methyl-... CAS#:66975-53-9 ethoxymethylene...
DownStream 0

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%