1,3-Dimethylbarbituric acid - ≥99% , CAS No.769-42-6

CAS: 769-42-6 Cat. No.: D106283 Molecular Weight: 156.14 Beilstein Registry Number: 139810 EC Number: 212-211-7
AVAILABLE TO ORDER
GRADE & PURITY ≥99%
Synonyms
1,3-dimethylpyrimidine-2,4,6(1H,3H,5H)-trione | 1,3-dimethyl-1,3-diazinane-2,4,6-trione | N,N'-Dimethylbarbituric acid
Storage
Room temperature
Shipped In
Normal
 ·  off list, applied to all prices below.
Size
Status
Price
Qty
25g
D106283-25g
4
$12.90
50g
D106283-50g
3
$20.90
100g
D106283-100g
9
$33.90
250g
D106283-250g
3
$76.90
500g
D106283-500g
4
$135.90
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Why this grade

≥99% for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

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Storage & shipping

Room temperature Ships Normal Check lot-specific COA for exact specifications.

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Quality documents

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

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Literature proof

Cited in 4 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Overview

1,3-Dimethylbarbituric acid (1,3-Dimethyl-2,4,6(1H,3H,5H)-pyrimidinetrione) is an active methylene compound. It undergoes hollow Pd6 water-soluble cage, [{(tmen)Pd}6(timb)4](NO3)12 (tmen= N,N,N′,N′-tetramethylethylenediamine, timb=1,3,5-tris(1-imidazolyl)benzene)-catalyzed Knoevenagel condensation reaction with pyrene-1-carboxaldehyde.It undergoes self-sorted Pd7 molecular boat having an internal nanocavity (catalyst)-assisted Knoevenagel condensation reaction with various aromatic aldehydes. It has been synthesized by reacting 1,3-dimethylurea, malonic acid and acetic anhydride in acetic acid. It is widely used for the synthesis of various synthetic intermediates and heterocyclic compounds
Usually used in the following studies: Enantioselective synthesis of isochromene pyrimidinedione derivatives having five stereocenters, via one-pot Michael-Knoevenagel condensation-inverse-electron-demand hetero-Diels-Alder reaction;Synthesis of 5-aryl-6-(alkyl- or aryl-amino)-1,3-dimethylfuro [2,3-d]pyrimidine derivatives; Microwave promoted indirect functionalization of alcohols, via spirocyclisation employing a sequential one-pot Ir(III)/Pd(0) catalyzed process.

Specifications

Synonyms
1, 3-dimethylpyrimidine-2, 4, 6(1H, 3H, 5H)-trione | 1, 3-dimethyl-1, 3-diazinane-2, 4, 6-trione | N, N'-Dimethylbarbituric acid
Specifications & Purity
≥99%
Storage
Room temperature
Shipped In
Normal
Purity
≥99%
Names and Identifiers
Pubchem Sid488184418
Pubchem Sid Urlhttps://pubchem.ncbi.nlm.nih.gov/substance/488184418
Canonical SmilesCN1C(=O)CC(=O)N(C1=O)C
IUPAC Name1,3-dimethyl-1,3-diazinane-2,4,6-trione
InChIKeyVVSASNKOFCZVES-UHFFFAOYSA-N
INCHI1S/C6H8N2O3/c1-7-4(9)3-5(10)8(2)6(7)11/h3H2,1-2H3
Isomeric SMILES CN1C(=O)CC(=O)N(C1=O)C
WGK Germany 3
Molecular Weight 156.14
Beilstein 139810
Reaxy-Rn 139810
Reaxys-RN_link_address https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=139810&ln=

Documentation

📋 Safety Data Sheet (SDS)

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

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✅ Certificate of Analysis (COA)

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

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📊 Datasheet

Quick-reference summary of product specifications and applications.

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🔬 Specification Sheet

Full quality attributes and acceptance criteria for this grade.

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Advanced Data

Taxonomic Classification

Taxonomy Tree

KingdomOrganic compounds
SuperclassOrganoheterocyclic compounds
ClassDiazines
SubclassPyrimidines and pyrimidine derivatives
Intermediate Tree Nodes Pyrimidones
Direct ParentBarbituric acid derivatives
Alternative Parents N-acyl ureas  Diazinanes  1,3-dicarbonyl compounds  Dicarboximides  Azacyclic compounds  Organopnictogen compounds  Organonitrogen compounds  Organic oxides  Hydrocarbon derivatives  
Molecular FrameworkAliphatic heteromonocyclic compounds
Substituents Barbiturate - N-acyl urea - Ureide - 1,3-diazinane - 1,3-dicarbonyl compound - Dicarboximide - Carbonic acid derivative - Urea - Carboxylic acid derivative - Azacycle - Organonitrogen compound - Hydrocarbon derivative - Organic oxide - Organopnictogen compound - Organic oxygen compound - Carbonyl group - Organooxygen compound - Organic nitrogen compound - Aliphatic heteromonocyclic compound
DescriptionThis compound belongs to the class of organic compounds known as barbituric acid derivatives. These are compounds containing a perhydropyrimidine ring substituted at C-2, -4 and -6 by oxo groups.
External Descriptors Not available
3D Structure
Interactive Chemical Structure Model





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.

59 results found

Lot NumberCertificate TypeDateItem
E2611621Certificate of AnalysisApr 25, 2026 D106283
E2611620Certificate of AnalysisApr 25, 2026 D106283
E2611619Certificate of AnalysisApr 25, 2026 D106283
E2611618Certificate of AnalysisApr 25, 2026 D106283
L2518019Certificate of AnalysisJul 28, 2025 D106283
H2513546Certificate of AnalysisJul 28, 2025 D106283
H2513431Certificate of AnalysisJul 28, 2025 D106283
H2513430Certificate of AnalysisJul 28, 2025 D106283
H2513757Certificate of AnalysisJul 28, 2025 D106283
H2513759Certificate of AnalysisJul 28, 2025 D106283
H2513760Certificate of AnalysisJul 28, 2025 D106283
E2507271Certificate of AnalysisApr 24, 2025 D106283
E2507273Certificate of AnalysisApr 24, 2025 D106283
E2507274Certificate of AnalysisApr 24, 2025 D106283
E2507275Certificate of AnalysisApr 24, 2025 D106283
E2507276Certificate of AnalysisApr 24, 2025 D106283
K2415256Certificate of AnalysisOct 31, 2024 D106283
K2415251Certificate of AnalysisOct 31, 2024 D106283
K2415294Certificate of AnalysisOct 31, 2024 D106283
K2415273Certificate of AnalysisOct 31, 2024 D106283
K2415272Certificate of AnalysisOct 31, 2024 D106283
K2415257Certificate of AnalysisOct 31, 2024 D106283
I2423155Certificate of AnalysisSep 11, 2024 D106283
I2423156Certificate of AnalysisSep 11, 2024 D106283
I2423154Certificate of AnalysisSep 11, 2024 D106283
I2423153Certificate of AnalysisSep 11, 2024 D106283
D2508691Certificate of AnalysisJul 17, 2024 D106283
D2508781Certificate of AnalysisJul 16, 2024 D106283
D2508780Certificate of AnalysisJul 16, 2024 D106283
E2508252Certificate of AnalysisApr 24, 2024 D106283
E2430372Certificate of AnalysisApr 24, 2024 D106283
E2430261Certificate of AnalysisApr 24, 2024 D106283
E2430260Certificate of AnalysisApr 24, 2024 D106283
E2430259Certificate of AnalysisApr 24, 2024 D106283
E2430258Certificate of AnalysisApr 24, 2024 D106283
D2411384Certificate of AnalysisMar 15, 2024 D106283
L2315007Certificate of AnalysisDec 29, 2023 D106283
B2307937Certificate of AnalysisJan 04, 2023 D106283
B2307898Certificate of AnalysisJan 04, 2023 D106283
B2307946Certificate of AnalysisJan 04, 2023 D106283
B2307948Certificate of AnalysisJan 04, 2023 D106283
B2307957Certificate of AnalysisJan 04, 2023 D106283
B2307969Certificate of AnalysisJan 04, 2023 D106283
B2307972Certificate of AnalysisJan 04, 2023 D106283
B2307981Certificate of AnalysisJan 04, 2023 D106283
B2307999Certificate of AnalysisJan 04, 2023 D106283
K2214048Certificate of AnalysisNov 15, 2022 D106283
J1822113Certificate of AnalysisAug 11, 2022 D106283
C2407267Certificate of AnalysisJun 15, 2022 D106283
I2220304Certificate of AnalysisJun 15, 2022 D106283
I2220303Certificate of AnalysisJun 15, 2022 D106283
I2220301Certificate of AnalysisJun 15, 2022 D106283
I2220300Certificate of AnalysisJun 15, 2022 D106283
G2230306Certificate of AnalysisJun 13, 2022 D106283
G2230301Certificate of AnalysisJun 13, 2022 D106283
G2230302Certificate of AnalysisJun 13, 2022 D106283
G2230303Certificate of AnalysisJun 13, 2022 D106283
G2230304Certificate of AnalysisJun 13, 2022 D106283
G2230305Certificate of AnalysisJun 13, 2022 D106283

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Chemical and Physical Properties
Solubilityhot water: soluble 0.5 g/10 mL, clear, colorless to faintly yellow
Melt Point(°C)121-123°C
Molecular Weight156.140 g/mol
XLogP3-0.800
Hydrogen Bond Donor Count0
Hydrogen Bond Acceptor Count3
Rotatable Bond Count0
Exact Mass156.053 Da
Monoisotopic Mass156.053 Da
Topological Polar Surface Area57.700 Ų
Heavy Atom Count11
Formal Charge0
Complexity214.000
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
Documents & Articles
Citations of This Product
References
1. Chaoyue Xiong, Guodong Xue, Lijun Mao, Lianghong Gu, Chao He, Yonghao Zheng, Dongsheng Wang.  (2021)  Carbon Spacer Strategy: Control the Photoswitching Behavior of Donor–Acceptor Stenhouse Adducts.  LANGMUIR,      [PMID:33406356] [10.1021/acs.langmuir.0c03133]
2. Islam K Boshra, Guo Lin, Ahmed Elbeih.  (2020)  Influence of different crosslinking mixtures on the mechanical properties of composite solid rocket propellants based on HTPB.  HIGH PERFORMANCE POLYMERS,      [PMID:] [10.1177/0954008320940359]
3. Kai Li, Run-Hui Yu, Cheng-Mei Shi, Fu-Rong Tao, Tian-Duo Li, Yue-Zhi Cui.  (2018)  Electrospun nanofibrous membrane based on AIE-active compound for detecting picric acid in aqueous solution.  SENSORS AND ACTUATORS B-CHEMICAL,      [PMID:] [10.1016/j.snb.2018.02.032]
4. Kai Li, Yang Zhang, Bing Qiao, Furong Tao, Tianduo Li, Yunqiao Ding, Françisco M. Raymo, Yuezhi Cui.  (2017)  Facile fabrication of AIE/AIEE-active fluorescent nanoparticles based on barbituric for cell imaging applications.  RSC Advances,  (48): (30229-30241).  [PMID:] [10.1039/C7RA03956E]
Solution Calculators
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