4H-Pyrido[1,2-a]pyrimidin-4-one,9-methyl-3-(2H-tetrazol-5-yl)- (69372-19-6)

Identification
Name:	4H-Pyrido[1,2-a]pyrimidin-4-one,9-methyl-3-(2H-tetrazol-5-yl)-
Synonyms:	4H-Pyrido[1,2-a]pyrimidin-4-one,9-methyl-3-(1H-tetrazol-5-yl)- (9CI);9-Methyl-3-(1H-tetrazol-5-yl)-4H-pyrido[1,2-a]pyrimidin-4-one;Pemirolast;
CAS:	69372-19-6
Molecular Formula:	C₁₀H₈N₆O
Molecular Weight:	228.21
InChI:	InChI=1S/C10H7N6O.K/c1-6-3-2-4-16-9(6)11-5-7(10(16)17)8-12-14-15-13-8;/h2-5H,1H3;/q-1;+1
Molecular Structure:
Properties
Melting Point:	310-311 deg C (decomposes)
Density:	1.64 g/cm³
Solubility:	In water, 1.9X10+4 mg/L at 25 deg C /Estimated/
Color:	Crystals from dimethylformamide
Safety Data

Other Product

4H-Pyrido[1,2-a]pyrimidin-4-one,9-[(4-acetyl-3-hydroxy-2-propylphenoxy)methyl]-3-(2H-tetrazol-5-yl)-
4H-Pyrido[1,2-a]pyrimidin-4-one,9-methyl- 3-(1H-tetrazol-5-yl)-,sodium salt
9-Methyl-3-(1H-tetrazol-5-yl)-4H-pyrido[1,2-a]pyrimidin-4-imine
4H-Pyrido[1,2-a]pyrimidin-4-one,8-[2-[4-(1-methylethyl)-2-thiazolyl]ethyl]-3-(1H-tetrazol-5-yl)-
4H-Pyrido[1,2-a]pyrimidin-4-one,8-[[4-(1-methylethyl)-2-thiazolyl]methoxy]-3-(1H-tetrazol-5-yl)-
2-[4-(2-hydroxyethyl)piperazin-1-yl]-9-methyl-3-{[3-(3-methylbutyl)-4-oxo-2-thioxo-1,3-thiazolidin-5-ylidene]methyl}-4H-pyrido[1,2-a]pyrimidin-4-one
2-(3,5-dimethylpiperidin-1-yl)-3-{[3-(4-methoxybenzyl)-4-oxo-2-thioxo-1,3-thiazolidin-5-ylidene]methyl}-9-methyl-4H-pyrido[1,2-a]pyrimidin-4-one
2-{[3-(1H-imidazol-1-yl)propyl]amino}-9-methyl-3-[(Z)-(4-oxo-2-thioxo-1,3-thiazolidin-5-ylidene)methyl]-4H-pyrido[1,2-a]pyrimidin-4-one
3-[(3-cyclopentyl-4-oxo-2-thioxo-1,3-thiazolidin-5-ylidene)methyl]-9-methyl-2-piperidin-1-yl-4H-pyrido[1,2-a]pyrimidin-4-one
Pyrazolo[1,5-a]pyrimidin-5(4H)-one,7-propyl-6-[[2'-(2H-tetrazol-5-yl)[1,1'-biphenyl]-4-yl]methyl]-
4H-Pyrido[1,2-a]pyrimidin-4-one, 9-methyl-3-nitro-
4H-Pyrido[1,2-a]pyrimidin-4-one,2-chloro-9-methyl-
4H-Pyrido[1,2-a]pyrimidin-4-one,2-hydroxy-9-methyl-
4H-Pyrido[1,2-a]pyrimidin-4-one, 9-hydroxy-2-methyl-
4H-Pyrido[1,2-a]pyrimidin-4-one, 9-methyl-2-propyl-
4H-Pyrido[1,2-a]pyrimidin-4-one,2-hydroxy-3-(3-methyl-2-buten-1-yl)-
9-methyl-2-{[3-(1-methylethoxy)propyl]amino}-3-{[3-(1-methylethyl)-4-oxo-2-thioxo-1,3-thiazolidin-5-ylidene]methyl}-4H-pyrido[1,2-a]pyrimidin-4-one
2-(2-fluorophenoxy)-9-methyl-3-{[3-(1-methylpropyl)-4-oxo-2-thioxo-1,3-thiazolidin-5-ylidene]methyl}-4H-pyrido[1,2-a]pyrimidin-4-one
Pyrido[2,3-d]pyrimidin-7(8H)-one,8-[[2'-[2-(1,1-dimethylethyl)-2H-tetrazol-5-yl][1,1'-biphenyl]-4-yl]methyl]-2,4-bis(methoxymethyl)-
Pyrido[2,3-d]pyrimidin-7(8H)-one,8-[[2'-[2-(1,1-dimethylethyl)-2H-tetrazol-5-yl][1,1'-biphenyl]-4-yl]methyl]-2,4-bis(hydroxymethyl)-