Chemical Properties of Zolpidem (CAS 82626-48-0)

InChI

InChI=1S/C19H21N3O/c1-13-5-8-15(9-6-13)19-16(11-18(23)21(3)4)22-12-14(2)7-10-17(22)20-19/h5-10,12H,11H2,1-4H3

InChI Key

ZAFYATHCZYHLPB-UHFFFAOYSA-N

Formula

C19H21N3O

SMILES

Cc1ccc(-c2nc3ccc(C)cn3c2CC(=O)N(C)C)cc1

Molecular Weight¹

307.39

CAS

82626-48-0

Other Names

• Ambien
• Ambien CR
• Imidazo[1,2-a]pyridine-3-acetamide, N,N,6-trimethyl-2-(4-methylphenyl)-
• Imidazol[1,2-a]pyridine-3-acetamide, N,N,6-trimethyl-2-(4-methylphenyl)-
• N, N-Dimethyl-2- (6-Methyl-2 (4-methylphenyl) imidazo [1,2-a] pyridin-3-YI) acetamide
• N,N,6-Trimethyl-2-p-tolylimidazo[1,2-a]pyridine-3-acetamide
• N,N-dimethyl-2-[6-methyl-2-(4-methylphenyl)imidazo[3,2-a]pyridin-3-yl]acetamide
• SL-800750

• ω : Acentric Factor.
• Δ_fG° : Standard Gibbs free energy of formation (kJ/mol).
• Δ_fH°_gas : Enthalpy of formation at standard conditions (kJ/mol).
• Δ_vapH° : Enthalpy of vaporization at standard conditions (kJ/mol).
• IE : Ionization energy (eV).
• log₁₀WS : Log10 of Water solubility in mol/l.
• logP_oct/wat : Octanol/Water partition coefficient.
• McVol : McGowan's characteristic volume (ml/mol).
• P_c : Critical Pressure (kPa).
• I_np : Non-polar retention indices.
• T_boil : Normal Boiling Point Temperature (K).
• T_c : Critical Temperature (K).
• T_fus : Normal melting (fusion) point (K).
• V_c : Critical Volume (m³/kmol).
• ¹: Molecular weight from the IUPAC atomic weights tables.

Physical Properties

Property	Value	Unit	Source
ω	0.7409		Relay (1.0) Calculated Property
ΔfG°	341.54	kJ/mol	Relay (1.0-beta) Calculated Property ⚠️
ΔfH°gas	57.99	kJ/mol	Relay (1.0) Calculated Property
ΔvapH°	122.85	kJ/mol	Relay (1.0) Calculated Property
IE	7.57	eV	Relay (1.0) Calculated Property
log10WS	-1.30		Aq. Solubility Prediction
logPoct/wat	3.249		Crippen Calculated Property
McVol	247.400	ml/mol	McGowan Calculated Property
Pc	1684.38	kPa	Relay (1.0-beta) Calculated Property ⚠️
Inp	[2788.00; 2908.20]
Inp	2788.00		NIST
Inp	2908.20		NIST
Inp	2908.20		NIST
Tboil	693.95	K	Relay (1.0) Calculated Property
Tc	1003.10	K	Relay (1.0) Calculated Property
Tfus	439.76	K	Relay (1.0) Calculated Property
Vc	0.935	m3/kmol	Relay (1.0) Calculated Property

Similar Compounds

Find more compounds similar to Zolpidem.

Sources

• Cheméo Relay (1.0)
• Cheméo Relay (1.0, beta) ⚠️ Beta: served but experimental, data-limited and below our cross-validation release bar; the Joback value is recommended where available.
• Crippen Method
• Aqueous Solubility Prediction Method
• McGowan Method
• NIST Webbook

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