N-Methyl-N-propargylbenzylamine - Moligand™, ≥98%(GC) , Inhibitor of Monoamine oxidase B, CAS No.555-57-7, Inhibitor of Monoamine oxidase B

CAS: 555-57-7 Cat. No.: N159008 Molecular Weight: 159.23 EC Number: 209-101-6

GRADE & PURITY Moligand™, ≥98%(GC)

Synonyms

Pargyline (INN) | BSPBio_002159 | Pargylinum [INN-Latin] | Prestwick1_000183 | 9MV14S8G3E | CBChromo1_000308 | N-benzyl-N-methyl-prop-2-yn-1-amine | N-benzyl-N-methylprop-2-yn-1-amine | Pargyline [INN:BAN] | NCGC00015841-07 | Benzyl-methyl-2-propinylamin

Storage

Argon charged,Room temperature

Shipped In

Normal

Specifications

Synonyms

Pargyline (INN) | BSPBio_002159 | Pargylinum [INN-Latin] | Prestwick1_000183 | 9MV14S8G3E | CBChromo1_000308 | N-benzyl-N-methyl-prop-2-yn-1-amine | N-benzyl-N-methylprop-2-yn-1-amine | Pargyline [INN:BAN] | NCGC00015841-07 | Benzyl-methyl-2-propinylamin

Specifications & Purity

Moligand™, ≥98%(GC)

Storage

Argon charged, Room temperature

Shipped In

Normal

Grade

Moligand™

Action Type

INHIBITOR

Mechanism of action

Inhibitor of Monoamine oxidase B

Purity

≥98%(GC)

Names and Identifiers

• Pubchem Sid: 488179849
• Pubchem Sid Url: https://pubchem.ncbi.nlm.nih.gov/substance/488179849
• Canonical Smiles: CN(CC#C)CC1=CC=CC=C1
• IUPAC Name: N-benzyl-N-methylprop-2-yn-1-amine
• InChIKey: DPWPWRLQFGFJFI-UHFFFAOYSA-N
• INCHI: 1S/C11H13N/c1-3-9-12(2)10-11-7-5-4-6-8-11/h1,4-8H,9-10H2,2H3
• Isomeric SMILES: CN(CC#C)CC1=CC=CC=C1
• WGK Germany: 3
• RTECS: DP6475000
• Molecular Weight: 159.23
• Reaxy-Rn: 1938132
• Reaxys-RN_link_address: https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=1938132&ln=

Taxonomic Classification

Taxonomy Tree

• Kingdom Organic compounds
  • Superclass Benzenoids
    • Class Benzene and substituted derivatives
      • Subclass Phenylmethylamines

• Kingdom: Organic compounds
• Superclass: Benzenoids
• Class: Benzene and substituted derivatives
• Subclass: Phenylmethylamines
• Intermediate Tree Nodes: Not available
• Direct Parent: Phenylmethylamines
• Alternative Parents: Benzylamines Aralkylamines Trialkylamines Acetylides Organopnictogen compounds Hydrocarbon derivatives
• Molecular Framework: Aromatic homomonocyclic compounds
• Substituents: Phenylmethylamine - Benzylamine - Aralkylamine - Tertiary aliphatic amine - Tertiary amine - Acetylide - Organic nitrogen compound - Organopnictogen compound - Hydrocarbon derivative - Organonitrogen compound - Amine - Aromatic homomonocyclic compound
• Description: This compound belongs to the class of organic compounds known as phenylmethylamines. These are compounds containing a phenylmethtylamine moiety, which consists of a phenyl group substituted by an methanamine.
• External Descriptors: a small molecule

Data sources

1. Djoumbou Feunang Y, Eisner R, Knox C, Chepelev L, Hastings J, Owen G, Fahy E, Steinbeck C, Subramanian S, Bolton E, Greiner R, and Wishart DS. ClassyFire: Automated Chemical Classification With A Comprehensive, Computable Taxonomy. Journal of Cheminformatics, 2016, 8:61.

DOI: 10.1186/s13321-016-0174-y

Associated Targets(Human)

MAOB Tclin Amine oxidase [flavin-containing] B (29 Activities)

Discover Target: MAOB

Activity Type	Activity Value -log(M)	Mechanism of Action	Activity Reference	Publications (PubMed IDs)

MAOA Tclin Amine oxidase [flavin-containing] A (1 Activities)

Discover Target: MAOA

Activity Type	Activity Value -log(M)	Mechanism of Action	Activity Reference	Publications (PubMed IDs)

F2 Tclin Thrombin (11687 Activities)

Discover Target: F2

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

ESR1 Tclin Estrogen receptor alpha (17718 Activities)

Discover Target: ESR1

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

ALDH2 Tclin Aldehyde dehydrogenase (509 Activities)

Discover Target: ALDH2

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

PGR Tclin Progesterone receptor (8562 Activities)

Discover Target: PGR

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

ADRB2 Tclin Beta-2 adrenergic receptor (11824 Activities)

Discover Target: ADRB2

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

CHRM2 Tclin Muscarinic acetylcholine receptor M2 (10671 Activities)

Discover Target: CHRM2

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

HTR1A Tclin Serotonin 1a (5-HT1a) receptor (14969 Activities)

Discover Target: HTR1A

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

ADRA2A Tclin Alpha-2a adrenergic receptor (9450 Activities)

Discover Target: ADRA2A

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

AR Tclin Androgen Receptor (11781 Activities)

Discover Target: AR

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

CHRM1 Tclin Muscarinic acetylcholine receptor M1 (12690 Activities)

Discover Target: CHRM1

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

DRD2 Tclin Dopamine D2 receptor (23596 Activities)

Discover Target: DRD2

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

GABRA1 Tclin GABA receptor alpha-1 subunit (399 Activities)

Discover Target: GABRA1

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

TSHR Tclin Thyroid stimulating hormone receptor (29986 Activities)

Discover Target: TSHR

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

MAOA Tclin Monoamine oxidase A (11911 Activities)

Discover Target: MAOA

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

CNR1 Tclin Cannabinoid CB1 receptor (20913 Activities)

Discover Target: CNR1

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

DRD1 Tclin Dopamine D1 receptor (9720 Activities)

Discover Target: DRD1

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

ACHE Tclin Acetylcholinesterase (18204 Activities)

Discover Target: ACHE

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

PTGS1 Tclin Cyclooxygenase-1 (9233 Activities)

Discover Target: PTGS1

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

SLC6A2 Tclin Norepinephrine transporter (10102 Activities)

Discover Target: SLC6A2

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

HRH2 Tclin Histamine H2 receptor (5428 Activities)

Discover Target: HRH2

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

MAOB Tclin Monoamine oxidase B (8835 Activities)

Discover Target: MAOB

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

HTR2A Tclin Serotonin 2a (5-HT2a) receptor (14758 Activities)

Discover Target: HTR2A

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

HTR2C Tclin Serotonin 2c (5-HT2c) receptor (11471 Activities)

Discover Target: HTR2C

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

ADORA1 Tclin Adenosine A1 receptor (17603 Activities)

Discover Target: ADORA1

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

SLC6A4 Tclin Serotonin transporter (12625 Activities)

Discover Target: SLC6A4

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

ADRA1A Tclin Alpha-1a adrenergic receptor (8359 Activities)

Discover Target: ADRA1A

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

HRH1 Tclin Histamine H1 receptor (7573 Activities)

Discover Target: HRH1

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

OPRM1 Tclin Mu opioid receptor (19785 Activities)

Discover Target: OPRM1

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

DRD3 Tclin Dopamine D3 receptor (14368 Activities)

Discover Target: DRD3

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

OPRD1 Tclin Delta opioid receptor (15096 Activities)

Discover Target: OPRD1

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

OPRK1 Tclin Kappa opioid receptor (16155 Activities)

Discover Target: OPRK1

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

HTR3A Tclin Serotonin 3a (5-HT3a) receptor (3366 Activities)

Discover Target: HTR3A

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

SLC6A3 Tclin Dopamine transporter (10535 Activities)

Discover Target: SLC6A3

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

GRIN1 Tclin Glutamate (NMDA) receptor subunit zeta 1 (122 Activities)

Discover Target: GRIN1

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

KCNH2 Tclin HERG (29587 Activities)

Discover Target: KCNH2

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

PDE3A Tclin Phosphodiesterase 3A (3309 Activities)

Discover Target: PDE3A

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

ADRA2B Tclin Alpha-2b adrenergic receptor (4412 Activities)

Discover Target: ADRA2B

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

ADRA2C Tclin Alpha-2c adrenergic receptor (4876 Activities)

Discover Target: ADRA2C

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

CHRM3 Tclin Muscarinic acetylcholine receptor M3 (7750 Activities)

Discover Target: CHRM3

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

HTR2B Tclin Serotonin 2b (5-HT2b) receptor (10323 Activities)

Discover Target: HTR2B

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

TBXA2R Tclin Thromboxane A2 receptor (5717 Activities)

Discover Target: TBXA2R

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

PDE4A Tclin Phosphodiesterase 4A (1943 Activities)

Discover Target: PDE4A

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

HRH3 Tclin Histamine H3 receptor (10389 Activities)

Discover Target: HRH3

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

BCHE Tclin Butyrylcholinesterase (7174 Activities)

Discover Target: BCHE

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

APP Tclin Amyloid-beta A4 protein (8510 Activities)

Discover Target: APP

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

ARSA Tbio Cerebroside-sulfatase (655 Activities)

Discover Target: ARSA

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

ALDH1A1 Tchem Aldehyde dehydrogenase 1A1 (77053 Activities)

Discover Target: ALDH1A1

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

CYP2D6 Tclin Cytochrome P450 2D6 (33882 Activities)

Discover Target: CYP2D6

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

CYP1A2 Tchem Cytochrome P450 1A2 (26471 Activities)

Discover Target: CYP1A2

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

CYP2C9 Tchem Cytochrome P450 2C9 (32119 Activities)

Discover Target: CYP2C9

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

Associated Targets(non-human)

Pde4d Phosphodiesterase 4D (4 Activities)

Discover Target: Pde4d

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

Hdac6 Histone deacetylase 6 (222 Activities)

Discover Target: Hdac6

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

Mus musculus (284745 Activities)

Explore this target

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

Rattus norvegicus (775804 Activities)

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Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

rep Replicase polyprotein 1ab (378 Activities)

Discover Target: rep

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

Aldh1a7 Aldehyde dehydrogenase, cytosolic 1 (5 Activities)

Discover Target: Aldh1a7

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

pfk 6-phospho-1-fructokinase (7870 Activities)

Discover Target: pfk

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

BCHE Cholinesterase (8742 Activities)

Discover Target: BCHE

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

Danio rerio (3092 Activities)

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Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

Plasma (328 Activities)

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Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

SARS-CoV-2 (38078 Activities)

Explore this target

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

Mechanisms of Action

Chemical and Physical Properties

• Sensitivity: Air Sensitive
• Refractive Index: 1.522
• Flash Point(°F): 183.2 °F
• Flash Point(°C): 84°C
• Boil Point(°C): 86-88 °C/4 mmHg
• Molecular Weight: 159.230 g/mol
• XLogP3: 2.100
• Hydrogen Bond Donor Count: 0
• Hydrogen Bond Acceptor Count: 1
• Rotatable Bond Count: 3
• Exact Mass: 159.105 Da
• Monoisotopic Mass: 159.105 Da
• Topological Polar Surface Area: 3.200 Ų
• Heavy Atom Count: 12
• Formal Charge: 0
• Complexity: 159.000
• Isotope Atom Count: 0
• Defined Atom Stereocenter Count: 0
• Undefined Atom Stereocenter Count: 0
• Defined Bond Stereocenter Count: 0
• Undefined Bond Stereocenter Count: 0
• The total count of all stereochemical bonds: 0
• Covalently-Bonded Unit Count: 1

References

1. Xi Zhu, Yangjing Lv, Miaoliang Fan, Jianan Guo, Yujia Zhang, Bianbian Gao, Changjun Zhang, Yuanyuan Xie.  (2023)  Exploration of the novel phthalimide-hydroxypyridinone derivatives as multifunctional drug candidates against Alzheimer’s disease.  BIOORGANIC CHEMISTRY,      [PMID:37690318] [10.1016/j.bioorg.2023.106817]

2. Changjun Zhang, Yujia Zhang, Yangjing Lv, Jianan Guo, Bianbian Gao, Yi Lu, Anjie Zang, Xi Zhu, Tao Zhou, Yuanyuan Xie.  (2023)  Chromone-based monoamine oxidase B inhibitor with potential iron-chelating activity for the treatment of Alzheimer’s disease.  JOURNAL OF ENZYME INHIBITION AND MEDICINAL CHEMISTRY,      [PMID:36519319] [10.1080/14756366.2022.2134358]

3. Chuansheng Yao, Xiaoying Jiang, Rui Zhao, Zhichao Zhong, Jiamin Ge, Junlong Zhu, Xiang-Yang Ye, Yuanyuan Xie, Zhen Liu, Tian Xie, Renren Bai.  (2022)  HDAC1/MAO-B dual inhibitors against Alzheimer’s disease: Design, synthesis and biological evaluation of N-propargylamine-hydroxamic acid/o-aminobenzamide hybrids.  BIOORGANIC CHEMISTRY,      [PMID:35305483] [10.1016/j.bioorg.2022.105724]

4. Changjun Zhang, Ke Yang, Sihang Yu, Jing Su, Shengli Yuan, Jiaxin Han, Yan Chen, Jinping Gu, Tao Zhou, Renren Bai, Yuanyuan Xie.  (2019)  Design, synthesis and biological evaluation of hydroxypyridinone-coumarin hybrids as multimodal monoamine oxidase B inhibitors and iron chelates against Alzheimer's disease.  EUROPEAN JOURNAL OF MEDICINAL CHEMISTRY,      [PMID:31325784] [10.1016/j.ejmech.2019.07.031]

5. Xiaoying Jiang, Jianan Guo, Yangjing Lv, Chuansheng Yao, Changjun Zhang, Zhisheng Mi, Yuan Shi, Jinping Gu, Tao Zhou, Renren Bai, Yuanyuan Xie.  (2020)  Rational design, synthesis and biological evaluation of novel multitargeting anti-AD iron chelators with potent MAO-B inhibitory and antioxidant activity.  BIOORGANIC & MEDICINAL CHEMISTRY,      [PMID:32503694] [10.1016/j.bmc.2020.115550]

6. Xiaodong Guo, Jundan Yi, Zhuqing Wan, Xin Wang, Zhiruo Yuan, Waisze Cheung, Xiaoqiang Bai, Yang Fu, Mo Zhai, Longwei Lv, Yongsheng Zhou.  (2025)  Morphology and Function Dual-Adjustable Biomimetic 4D-Printed Scaffold for the Regenerative Restoration of Complex Bone Defects.  ADVANCED FUNCTIONAL MATERIALS,      [PMID:] [10.1002/adfm.202509961]

7. Ting Cao, Mengjin Li, Hong Ma, Zhefeng Fan.  (2026)  Visualization of mitochondrial monoamine oxidase dynamics in live cells and DILI via a ratiometric NIR probe with “ICT+ESIPT” mechanism.  SPECTROCHIMICA ACTA PART A-MOLECULAR AND BIOMOLECULAR SPECTROSCOPY,      [PMID:41759435] [10.1016/j.saa.2026.127639]