Primidone - Moligand™, ≥98%(HPLC) , Sodium channel alpha subunit blocker, CAS No.125-33-7, Sodium channel alpha subunit blocker

CAS: 125-33-7 Cat. No.: P129217 Molecular Weight: 218.25 Beilstein Registry Number: 24(5)102 EC Number: 204-737-0
AVAILABLE TO ORDER
GRADE & PURITY Moligand™ ? Moligand™ — Aladdin's line of ligands and bioactive small molecules. Use for receptor, pathway, and binding studies needing defined small-molecule tools. ≥98%(HPLC)
Synonyms
5-Phenyl-5-ethyl-hexahydropyrimidine-4,6-dione | Primidone (Mysoline) | PRIMIDONE (USP-RS) | Pyrimidone ''Medi-pets'' | Pyrimidone 'Medi-pets' | Pyrimidone Medi-pets | 5-Ethylhexahydro-5-phenylpyrimidine-4,6-dione | Lepsiral | Mylepsin | 5-Aethyl-5-phenyl
Storage
Store at 2-8°C
Shipped In
Wet ice
 ·  off list, applied to all prices below.
Size
Status
Price
Qty
1g
P129217-1g
8-12 wks(?) Production requires sourcing of materials. We appreciate your patience and understanding.
$10.90
5g
P129217-5g
2
$39.90
25g
P129217-25g
3
$114.90
100g
P129217-100g
8-12 wks(?) Production requires sourcing of materials. We appreciate your patience and understanding.
$413.90
Enter a quantity for the sizes you want to add.
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Why this grade

Moligand™, ≥98%(HPLC) Moligand™ for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

🌡

Storage & shipping

Store at 2-8°C Ships Wet ice Check lot-specific COA for exact specifications.

📋

Quality documents

SDS, COA, datasheet, and spec sheet available for download. Lot-specific COA accessible via lot number lookup.

📚

Literature proof

Cited in 2 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Overview

Primidone (NCI-C56360) is a potent anticonvulsant agent. It is a neuronal voltage-gated sodium channel blocker and has value in the study of epilepsy, essential tremor, and psychiatric disorders.

Specifications

Synonyms
5-Phenyl-5-ethyl-hexahydropyrimidine-4, 6-dione | Primidone (Mysoline) | PRIMIDONE (USP-RS) | Pyrimidone ''Medi-pets'' | Pyrimidone 'Medi-pets' | Pyrimidone Medi-pets | 5-Ethylhexahydro-5-phenylpyrimidine-4, 6-dione | Lepsiral | Mylepsin | 5-Aethyl-5-phenyl
Specifications & Purity
Moligand™, ≥98%(HPLC)
Storage
Store at 2-8°C
Shipped In
Wet ice
This product requires cold chain shipping. Ground and other economy services are not available.
Grade
Moligand™
Action Type
CHANNEL BLOCKER, POSITIVE ALLOSTERIC MODULATOR
Mechanism of action
Sodium channel alpha subunit blocker
Purity
≥98%(HPLC)
Product Properties
ALogP0.9
Names and Identifiers
Pubchem Sid504750830
Pubchem Sid Urlhttps://pubchem.ncbi.nlm.nih.gov/substance/504750830
Canonical SmilesCCC1(C(=O)NCNC1=O)C2=CC=CC=C2
IUPAC Name5-ethyl-5-phenyl-1,3-diazinane-4,6-dione
InChIKeyDQMZLTXERSFNPB-UHFFFAOYSA-N
INCHI1S/C12H14N2O2/c1-2-12(9-6-4-3-5-7-9)10(15)13-8-14-11(12)16/h3-7H,2,8H2,1H3,(H,13,15)(H,14,16)
Isomeric SMILES CCC1(C(=O)NCNC1=O)C2=CC=CC=C2
RTECS UV9100000
UN Number 3249
Packing Group II
Molecular Weight 218.25
Beilstein 24(5)102
Reaxy-Rn 218034
Reaxys-RN_link_address https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=218034&ln=

Documentation

📋 Safety Data Sheet (SDS)

Comprehensive hazard, handling, storage, and regulatory compliance document.

Download SDS →

✅ Certificate of Analysis (COA)

Lot-specific quality data. Enter your lot number to retrieve the exact COA.

Look up COA →

📊 Datasheet

Quick-reference summary of product specifications and applications.

View datasheet →

🔬 Specification Sheet

Full quality attributes and acceptance criteria for this grade.

View spec sheet →

Advanced Data

Taxonomic Classification

Taxonomy Tree

KingdomOrganic compounds
SuperclassOrganoheterocyclic compounds
ClassDiazines
SubclassPyrimidines and pyrimidine derivatives
Intermediate Tree Nodes Not available
Direct ParentHydropyrimidines
Alternative Parents Benzene and substituted derivatives  Cyclic carboximidic acids  Propargyl-type 1,3-dipolar organic compounds  Azacyclic compounds  Organopnictogen compounds  Organooxygen compounds  Organonitrogen compounds  Hydrocarbon derivatives  
Molecular FrameworkAromatic heteromonocyclic compounds
Substituents Benzenoid - 2,5-dihydropyrimidine - Hydropyrimidine - Monocyclic benzene moiety - Cyclic carboximidic acid - Azacycle - Organic 1,3-dipolar compound - Propargyl-type 1,3-dipolar organic compound - Organic nitrogen compound - Organic oxygen compound - Organopnictogen compound - Hydrocarbon derivative - Organooxygen compound - Organonitrogen compound - Aromatic heteromonocyclic compound
DescriptionThis compound belongs to the class of organic compounds known as hydropyrimidines. These are compounds containing a hydrogenated pyrimidine ring (i.e. containing less than the maximum number of double bonds.).
External Descriptors pyrimidone
3D Structure
Interactive Chemical Structure Model





Associated Targets(Human)
TRPM3 Tchem Transient receptor potential cation channel subfamily M member 3 (1 Activities)
Activity TypeActivity Value -log(M)Mechanism of ActionActivity ReferencePublications (PubMed IDs)
PDE5A Tclin Phosphodiesterase 5A (5113 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
EGFR Tclin Epidermal growth factor receptor erbB1 (33727 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
CA2 Tclin Carbonic anhydrase II (17698 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
ESR1 Tclin Estrogen receptor alpha (17718 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
HMGCR Tclin HMG-CoA reductase (2475 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
NR3C1 Tclin Glucocorticoid receptor (14987 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
INSR Tclin Insulin receptor (5558 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
PGR Tclin Progesterone receptor (8562 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
ADRB2 Tclin Beta-2 adrenergic receptor (11824 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
CHRM2 Tclin Muscarinic acetylcholine receptor M2 (10671 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
ADRB1 Tclin Beta-1 adrenergic receptor (6630 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
HTR1A Tclin Serotonin 1a (5-HT1a) receptor (14969 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
ADRA2A Tclin Alpha-2a adrenergic receptor (9450 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
AR Tclin Androgen Receptor (11781 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
CHRM1 Tclin Muscarinic acetylcholine receptor M1 (12690 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
ACE Tclin Angiotensin-converting enzyme (1423 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
DRD2 Tclin Dopamine D2 receptor (23596 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
GABRA1 Tclin GABA receptor alpha-1 subunit (399 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
TSHR Tclin Thyroid stimulating hormone receptor (29986 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
MAOA Tclin Monoamine oxidase A (11911 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
CNR1 Tclin Cannabinoid CB1 receptor (20913 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
DRD1 Tclin Dopamine D1 receptor (9720 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
DRD4 Tchem Dopamine D4 receptor (7907 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
ACHE Tclin Acetylcholinesterase (18204 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
PTGS1 Tclin Cyclooxygenase-1 (9233 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
SLC6A2 Tclin Norepinephrine transporter (10102 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
HRH2 Tclin Histamine H2 receptor (5428 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
ADRA1D Tclin Alpha-1d adrenergic receptor (4171 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
HTR1B Tclin Serotonin 1b (5-HT1b) receptor (2801 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
HTR2A Tclin Serotonin 2a (5-HT2a) receptor (14758 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
HTR2C Tclin Serotonin 2c (5-HT2c) receptor (11471 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
AVPR2 Tclin Vasopressin V2 receptor (2912 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
ADORA1 Tclin Adenosine A1 receptor (17603 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
AGTR1 Tclin Type-1 angiotensin II receptor (5176 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
CALCR Tclin Calcitonin receptor (2215 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
SLC6A4 Tclin Serotonin transporter (12625 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
ADRA1A Tclin Alpha-1a adrenergic receptor (8359 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
PTGS2 Tclin Cyclooxygenase-2 (13999 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
HRH1 Tclin Histamine H1 receptor (7573 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
ADRA1B Tclin Alpha-1b adrenergic receptor (2912 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
OPRM1 Tclin Mu opioid receptor (19785 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
DRD3 Tclin Dopamine D3 receptor (14368 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
AVPR1A Tclin Vasopressin V1a receptor (5412 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
OPRD1 Tclin Delta opioid receptor (15096 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
OPRK1 Tclin Kappa opioid receptor (16155 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
HTR3A Tclin Serotonin 3a (5-HT3a) receptor (3366 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
SLC6A3 Tclin Dopamine transporter (10535 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
GRIN1 Tclin Glutamate (NMDA) receptor subunit zeta 1 (122 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
KCNH2 Tclin HERG (29587 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
HTR4 Tclin Serotonin 4 (5-HT4) receptor (2068 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Associated Targets(non-human)
Agtr2 Angiotensin II type 2 (AT-2) receptor (803 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
ampC Beta-lactamase AmpC (62480 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Mc4r Melanocortin receptor 4 (1205 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Ltc4s Leukotriene C4 synthase (1 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Sigmar1 Sigma opioid receptor (160 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Npy1r Neuropeptide Y receptor type 1 (8 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Cckar Cholecystokinin A receptor (90 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Pde4d Phosphodiesterase 4D (4 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Nos2 Nitric oxide synthase, inducible (3573 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Mapk1 MAP kinase ERK2 (650 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Hdac6 Histone deacetylase 6 (222 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Mmp9 Matrix metalloproteinase 9 (38 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Pseudomonas aeruginosa (123386 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Klebsiella pneumoniae (43867 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Staphylococcus aureus (210822 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Acinetobacter baumannii (41033 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Escherichia coli (133304 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Cryptococcus neoformans (21258 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Candida albicans (78123 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Mus musculus (284745 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Rattus norvegicus (775804 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
rep Replicase polyprotein 1ab (378 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Nfe2l2 Nuclear factor erythroid 2-related factor 2 (214 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Nr1i2 Nuclear receptor subfamily 1 group I member 2 (14 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Glra2 Glycine receptor (1745 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Mechanisms of Action
Certificates(CoA,COO,BSE/TSE and Analysis Chart)
C of A & Other Certificates(BSE/TSE, COO):
Analytical Chart:

Find and download the COA for your product by matching the lot number on the packaging.

10 results found

Lot NumberCertificate TypeDateItem
C2422080Certificate of AnalysisJan 19, 2026 P129217
I2525517Certificate of AnalysisSep 13, 2025 P129217
I2525518Certificate of AnalysisSep 13, 2025 P129217
I2525519Certificate of AnalysisSep 13, 2025 P129217
H2515116Certificate of AnalysisAug 25, 2025 P129217
G2410196Certificate of AnalysisApr 28, 2024 P129217
K2110017Certificate of AnalysisAug 15, 2023 P129217
K2110019Certificate of AnalysisAug 15, 2023 P129217
H2317070Certificate of AnalysisAug 15, 2023 P129217
K2110018Certificate of AnalysisAug 15, 2023 P129217
Chemical and Physical Properties
SolubilitySoluble in acetic acid (50 mg/ml), DMSO (100 mM), methanol, ethanol (3 mg/ml at 25 °C), and water (<1 mg/ml at 25 °C).
Refractive Index1.53
Boil Point(°C)520.70° C
Melt Point(°C)281°C
Molecular Weight218.250 g/mol
XLogP30.900
Hydrogen Bond Donor Count2
Hydrogen Bond Acceptor Count2
Rotatable Bond Count2
Exact Mass218.106 Da
Monoisotopic Mass218.106 Da
Topological Polar Surface Area58.200 Ų
Heavy Atom Count16
Formal Charge0
Complexity279.000
Isotope Atom Count0
Defined Atom Stereocenter Count0
Undefined Atom Stereocenter Count0
Defined Bond Stereocenter Count0
Undefined Bond Stereocenter Count0
The total count of all stereochemical bonds0
Covalently-Bonded Unit Count1
Citations of This Product
References
1. Danni Cui, Huan He, Wenxiao Xie, Shanshan Yang, Ziwei Guo, Zhicheng Liao, Feng Liu, Chaochao Lai, Xiaomin Ren, Bin Huang, Xuejun Pan.  (2023)  Occurrence and cycle of dissolved iron mediated by humic acids resulting in continuous natural photodegradation of 17α-ethinylestradiol.  JOURNAL OF HAZARDOUS MATERIALS,      [PMID:38091802] [10.1016/j.jhazmat.2023.133155]
2. Xiuzhen Wei, Xiaoyan Bao, Jiawei Wu, Cuixia Li, Yingying Shi, Jinyuan Chen, Bosheng Lv, Baoku Zhu.  (2018)  Typical pharmaceutical molecule removal behavior from water by positively and negatively charged composite hollow fiber nanofiltration membranes.  RSC Advances,  (19): (10396-10408).  [PMID:35540449] [10.1039/C8RA00519B]
Solution Calculators
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