Zolpidem improves sleep in patients with insomnia. It is aimed for use in patients with difficulties initiating sleep. It is sold under the brand name Ambien. It became available as a generic medication in 2007. Reference standards of Zolpidem API, and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below.
3-(Dimethylaminomethyl)-6-methyl-2-(4-methylphenyl)imidazo[1,2-a]pyridine
Catalogue No.:PA 26 0261000
CAS :
Molecular Formula : C18H21N3
Molecular Weight : 279.39
N,N,N-Trimethyl-1-(6-methyl-2-(p-tolyl)imidazo[1,2-a]pyridin-3-yl)methanaminium Iodide
Catalogue No.:PA 26 0261002
Molecular Formula : C19H24IN3
Molecular Weight : 421.33
N,N-Dimethyl-2-[7-methyl-2-(4-methylphenyl)imidazo[1,2-a]pyridin-3-yl]acetamide
Catalogue No.:PA 26 07010
Molecular Formula : C19H21N3O
Molecular Weight : 307.39
2-[6-Methyl-2-(4-methylphenyl)imidazo- [1,2-a]pyridin-3-yl]acetamide
Catalogue No.:PA 26 07510
Molecular Formula : C17H17N3O
Molecular Weight : 279.34
2-[6-Methyl-2-(4-methylphenyl)imidazo- [1,2-a]pyridin-3-yl]acetic Acid
Catalogue No.:PA 26 07520
Molecular Formula : C17H16N2O2
Molecular Weight : 280.32
Methyl 2-[6-Methyl-2-(4-methylphenyl)- imidazo[1,2-a]pyridin-3-yl]acetate
Catalogue No.:PA 26 07530
Molecular Formula : C18H18N2O2
Molecular Weight : 294.35
6-Methyl-2-(4-methylphenyl)imidazo-[1,2-a]pyridine-3-acetonitrile
Catalogue No.:PA 26 07540
Molecular Formula : C17H15N3
Molecular Weight : 261.32
Oxozolpidem
Catalogue No.:PA 26 07550
Molecular Formula : C19H19N3O2
Molecular Weight : 321.37
2-[4-(Ethoxycarbonyl)phenyl]-6-methyl-imidazo[1,2-a]pyridine-3-acetic Acid
Catalogue No.:PA 26 07560
Molecular Formula : C19H18N2O4
Molecular Weight : 338.36
2-[4-(Ethoxycarbonyl)phenyl]-6-methyl-imidazo[1,2-a]pyridine
Catalogue No.:PA 26 07570
4-Methyl-N-(5-methyl-2-pyridinyl)benzamide
Catalogue No.:PA 26 07620
Molecular Formula : C14H14N2O
Molecular Weight : 226.27
Zolpidem Carbaldehyde
Catalogue No.:PA 26 07630
Molecular Formula : C16H14N2O
Molecular Weight : 250.3
N,N-Dimethyl-2-(6-methyl-2-(3-bromo-4-methylphenyl)-imidazo[1,2-a]pyridin-3-yl)-acetamide
Catalogue No.:PA 26 07640
Molecular Formula : C19H20BrN3O
Molecular Weight : 386.29
α-Hydroxyzolpidem
Catalogue No.:PA 26 07660
Molecular Formula : C19H21N3O2
Molecular Weight : 323.39
Zolpidem 6-Carboxylic Acid
Catalogue No.:PA 26 07670
Molecular Formula : C19H19N3O3
Molecular Weight : 337.37
Zolpidem Phenyl-4-carboxylic Acid
Catalogue No.:PA 26 07680
Zolpidem Phenyl-4-carboxylic Acid Ethyl Ester
Catalogue No.:PA 26 07690
Molecular Formula : C21H23N3O3
Molecular Weight : 365.43
Zolpidem 6-Carboxylic Acid Methyl Ester
Catalogue No.:PA 26 07700
Molecular Formula : C20H21N3O3
Molecular Weight : 351.4
zolpidem impurity A (1065RB)
Catalogue No.:PA BP1065RB
Molecular Formula : NA
Molecular Weight : NA
Zolpidem impurity A (Z2500010)
Catalogue No.:PA EPZ2500010
3-(Dimethylaminomethyl)-6-methyl-2-(4-methylphenyl)imidazo[1,2-a]pyridine-d6
Catalogue No.:PA STI 033620
Molecular Formula : C18H15D6N3
Molecular Weight : 285.42
2-Keto Zolpidem-d6
Catalogue No.:PA STI 055310
Molecular Formula : C19H13D6N3O2
Molecular Weight : 327.41
4-Methyl-N-(5-methyl-2-pyridinyl)benzamide-d6
Catalogue No.:PA STI 062510
Molecular Formula : C14H8D6N2O
Molecular Weight : 232.31
6-Methyl-2-(4-methylphenyl)-imidazo[1,2-a]pyridine-d6
Catalogue No.:PA STI 062780
Molecular Formula : C15H8D6N2
Molecular Weight : 228.32
Zolpidem-d6 6-Carboxylic Acid
Catalogue No.:PA STI 087860
Molecular Formula : C19H13D6N3O3
Molecular Weight : 343.41
Zolpidem-d6 Phenyl-4-carboxylic Acid
Catalogue No.:PA STI 087870
Zolpidem Phenyl-4-carboxylic Acid Ethyl Ester-d6
Catalogue No.:PA STI 087880
Molecular Formula : C21H17D6N3O3
Molecular Weight : 371.46
Zolpidem-d6 6-Carboxylic Acid Methyl Ester
Catalogue No.:PA STI 087890
Molecular Formula : C20H15D6N3O3
Molecular Weight : 357.44
Zolpidem Carbaldehyde-d6
Catalogue No.:PA STI 087900
Molecular Formula : C16H8D6N2O
Molecular Weight : 256.33
N,N-Dimethyl-3-((4-methylpyridin-2-yl)amino)-4-oxo-4-(p-tolyl)butanamide
Catalogue No.:PAI 26 001010
Molecular Formula : C19H23N3O2
Molecular Weight : 325.4
N,N-Dimethyl-2-(7-methyl-2-(p-tolyl)imidazo[1,2-a]pyridin-3-yl)acetamide
Catalogue No.:PAI 26 001020
6-Methyl-2-(4-methylphenyl)-imidazo[1,2-a]pyridine
Catalogue No.:PAI 26 001030
Molecular Formula : C15H14N2
Molecular Weight : 222.29
2-(7-Methyl-2-(p-tolyl)imidazo[1,2-a]pyridin-3-yl)acetic acid
Catalogue No.:PAI 26 001031
Molecular Weight : 280.33
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