General Information of the Compound
Compound ID
CP0072943
Compound Name
3-[4,5-dihydro-1H-imidazol-2-ylmethyl-(4-methylphenyl)amino]phenol;methanesulfonic acid
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Synonyms
2-((N-(m-Hydroxyphenyl)-p-toluidino)methyl)-2-imidazoline
2-(N'-p-Tolyl-N'-m-hydroxyphenylaminomethyl)-2-imidazoline
2-(N-(m-Hydroxyphenyl)-p-toluidinomethyl)imidazoline
2-(m-Hydroxy-N-p-tolylanilinomethyl)-2-imidazoline
3-[(4,5-dihydro-1H-imidazol-2-ylmethyl)(4-methylphenyl)amino]phenol
3-[N-(4,5-dihydro-1H-imidazol-2-ylmethyl)-4-methylanilino]phenol
C 7337
C 7337 Ciba
Dibasin
Fentolamin
Fentolamina
Fentolamina [INN-Spanish]
Phenotolamine
Phentalamine
Phentolamine
Phentolamine (INN)
Phentolamine [INN:BAN]
Phentolamine mesylate [USAN]
Phentolamine methanesulfonate
Phentolamine, methyl sulfonate
Phentolaminum
Phentolaminum [INN-Latin]
Regitin
Regitine
Regitipe
Regityn
Rogitine
Vasomax (TN)
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Structure
Formula
C17H19N3O
Molecular Weight
281.359
Canonical SMILES
Cc1ccc(cc1)N(CC1=NCCN1)c1cccc(O)c1
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InChI
InChI=1S/C17H19N3O/c1-13-5-7-14(8-6-13)20(12-17-18-9-10-19-17)15-3-2-4-16(21)11-15/h2-8,11,21H,9-10,12H2,1H3,(H,18,19)
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InChIKey
MRBDMNSDAVCSSF-UHFFFAOYSA-N
CAS
50-60-2
Physicochemical Property
logP
2.84042
Rotatable Bonds
4
Heavy Atom Count
21
Polar Areas
47.86
Hydrogen Bond Donor Count
2
Hydrogen Bond Acceptor Count
4
Complexity
21

"RO5" indicates the cutoff set by lipinski's rule of five:

(1) Molecular weight less than 500 Dalton;

(2) xlogp less than 5;

(3) No more than 5 hbonddonor (Hydrogen Bond Donor Count);

(4) No more than 10 hbondacc (Hydrogen Bond Acceptor Count);

(5) No more than 10 rotbonds (Rotatable Bond Count).

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PubChem ID
CID: 5775
SID: 14848762
ChEMBL ID
CHEMBL597
DrugBank ID
DB00692
Map of Molecular Bioactivity Related to the Compound
Map of Molecular Bioactivity Related to the Compound

Compound
Cell Line
Protein

Bioactivity Value:

<= 0.1 μM
> 0.1 μM and <= 10 μM
> 10 μM
Imprecise Activity
Table of Molecular Bioactivities Related to the Compound
Protein ID: PT01089, Alpha-1A adrenergic receptor
Cell-based Assay
Cell Line ID Cell Line Name Cell Line Organism
CL000011 CHO Cricetulus griseus (Chinese hamster)  3
1
IC50 = 1.1 nM
   TI
   LI
   LO
   TS
2
Ki = 0.6 nM
   TI
   LI
   LO
   TS
3
Ki = 12 nM
   TI
   LI
   LO
   TS
CL000006 HEK293 Homo sapiens (Human)  1
1
Ki = 4.12 nM
   TI
   LI
   LO
   TS
Protein ID: PT02060, Alpha-1A adrenergic receptor
Cell-based Assay
Cell Line ID Cell Line Name Cell Line Organism
CL000051 BHK-21 Mesocricetus auratus (Golden hamster)  1
1
Ki = 6.8 nM
   TI
   LI
   LO
   TS
Biochemical Assays
1 Ki = 0.7943 nM
Protein ID: PT01007, Alpha-1B adrenergic receptor
Cell-based Assay
Cell Line ID Cell Line Name Cell Line Organism
CL000011 CHO Cricetulus griseus (Chinese hamster)  3
1
IC50 = 10.8 nM
   TI
   LI
   LO
   TS
2
Ki = 4.8 nM
   TI
   LI
   LO
   TS
3
Ki = 47.4 nM
   TI
   LI
   LO
   TS
Protein ID: PT01004, Alpha-1D adrenergic receptor
Cell-based Assay
Cell Line ID Cell Line Name Cell Line Organism
CL000011 CHO Cricetulus griseus (Chinese hamster)  3
1
IC50 = 12.5 nM
   TI
   LI
   LO
   TS
2
Ki = 7.6 nM
   TI
   LI
   LO
   TS
3
Ki = 19.4 nM
   TI
   LI
   LO
   TS
Protein ID: PT02075, Alpha-1D adrenergic receptor
Cell-based Assay
Cell Line ID Cell Line Name Cell Line Organism
CL000011 CHO Cricetulus griseus (Chinese hamster)  1
1
Ki = 45 nM
   TI
   LI
   LO
   TS
Protein ID: PT01650, Alpha-2A adrenergic receptor
Cell-based Assay
Cell Line ID Cell Line Name Cell Line Organism
CL000011 CHO Cricetulus griseus (Chinese hamster)  1
1
Ki = 55.9 nM
   TI
   LI
   LO
   TS
Biochemical Assays
1 Ki = 1.7 nM
2 Ki = 2.6 nM
Protein ID: PT02026, Alpha-2B adrenergic receptor
Cell-based Assay
Cell Line ID Cell Line Name Cell Line Organism
CL000011 CHO Cricetulus griseus (Chinese hamster)  1
1
Ki = 48 nM
   TI
   LI
   LO
   TS
Biochemical Assays
1 Ki = 7.6 nM
Protein ID: PT01598, Alpha-2C adrenergic receptor
Cell-based Assay
Cell Line ID Cell Line Name Cell Line Organism
CL000011 CHO Cricetulus griseus (Chinese hamster)  1
1
Ki = 80.3 nM
   TI
   LI
   LO
   TS
Biochemical Assays
1 Ki = 8.4 nM
Protein ID: PT00817, Cytochrome P450 2D6
Cell-based Assay
Cell Line ID Cell Line Name Cell Line Organism
CL000023 BTI-Tn-5B1-4 Trichoplusia ni (Cabbage looper)  1
1
IC50 = 10000 nM
   TI
   LI
   LO
   TS
Biochemical Assays
1 Potency = 794.3 nM
Clinical Information about the Compound
Drug 1 ( Phentolamine )
Drug Name Phentolamine
Company Bedford Laboratories
Indication
Dermal necrosis
Approved
Target(s)
Dopamine D2 receptor (D2R)
Antagonist