Dihydrouracil - ≥97% , CAS No.504-07-4

CAS: 504-07-4 Cat. No.: D113497 Molecular Weight: 114.1 EC Number: 207-982-1
AVAILABLE TO ORDER
GRADE & PURITY ≥97%
Synonyms
2,4(1H,3H)-Pyrimidinedione, dihydro- | 2,4-Dioxotetrahydropyrimidine | 5,6-Dihydro Uracil-13C15N2 | STK677038 | 016FR52RU5 | 2,3H)-Pyrimidinedione, dihydro- | 4,5-dihydrouracil | HMS3604J13 | UNII-016FR52RU5 | SY027535 | HY-W012926 | 3,4-DIHYDROURACIL | F
Storage
Room temperature
Shipped In
Normal
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250mg
D113497-250mg
3

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1g
D113497-1g
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5g
D113497-5g
1

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25g
D113497-25g
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100g
D113497-100g
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Why this grade

≥97% 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 0 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Overview

Dihydrouracil (DiHU) is a minor base found in transfer ribonucleic acid (tRNA). It is similar to uracil with the only exception that the C5-C6 bond is saturated. It crystallized in the monoclinic system with space group P21/C. Its crystalline structure has been analyzed. Its generation from L-cysteine and uracil via photochemical addition has been described.

Specifications

Synonyms
2, 4(1H, 3H)-Pyrimidinedione, dihydro- | 2, 4-Dioxotetrahydropyrimidine | 5, 6-Dihydro Uracil-13C15N2 | STK677038 | 016FR52RU5 | 2, 3H)-Pyrimidinedione, dihydro- | 4, 5-dihydrouracil | HMS3604J13 | UNII-016FR52RU5 | SY027535 | HY-W012926 | 3, 4-DIHYDROURACIL | F
Specifications & Purity
≥97%
Storage
Room temperature
Shipped In
Normal
Purity
≥97%
Names and Identifiers
Pubchem Sid504750401
Pubchem Sid Urlhttps://pubchem.ncbi.nlm.nih.gov/substance/504750401
Canonical SmilesC1CNC(=O)NC1=O
IUPAC Name1,3-diazinane-2,4-dione
InChIKeyOIVLITBTBDPEFK-UHFFFAOYSA-N
INCHI1S/C4H6N2O2/c7-3-1-2-5-4(8)6-3/h1-2H2,(H2,5,6,7,8)
Isomeric SMILES C1CNC(=O)NC1=O
WGK Germany 3
Molecular Weight 114.1
Reaxy-Rn 112496
Reaxys-RN_link_address https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=112496&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 Not available
Direct ParentPyrimidones
Alternative Parents N-acyl ureas  Diazinanes  Dicarboximides  Azacyclic compounds  Organopnictogen compounds  Organonitrogen compounds  Organic oxides  Hydrocarbon derivatives  Carbonyl compounds  
Molecular FrameworkAliphatic heteromonocyclic compounds
Substituents N-acyl urea - Pyrimidone - Ureide - 1,3-diazinane - Dicarboximide - Urea - Carbonic acid derivative - Azacycle - Carboxylic acid derivative - Organic oxide - Organopnictogen compound - Organooxygen compound - Organonitrogen compound - Organic oxygen compound - Organic nitrogen compound - Carbonyl group - Hydrocarbon derivative - Aliphatic heteromonocyclic compound
DescriptionThis compound belongs to the class of organic compounds known as pyrimidones. These are compounds that contain a pyrimidine ring, which bears a ketone. Pyrimidine is a 6-membered ring consisting of four carbon atoms and two nitrogen centers at the 1- and 3- ring positions.
External Descriptors a base derivative - a pyrimidine-related compound
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.

3 results found

Lot NumberCertificate TypeDateItem
F1815037Certificate of AnalysisJan 27, 2026 D113497
B2223104Certificate of AnalysisDec 10, 2025 D113497
G1401045Certificate of AnalysisAug 11, 2022 D113497
Chemical and Physical Properties
SolubilitySoluble in Sodium Hydroxide.
Melt Point(°C)276-281°C
Molecular Weight114.100 g/mol
XLogP3-1.100
Hydrogen Bond Donor Count2
Hydrogen Bond Acceptor Count2
Rotatable Bond Count0
Exact Mass114.043 Da
Monoisotopic Mass114.043 Da
Topological Polar Surface Area58.200 Ų
Heavy Atom Count8
Formal Charge0
Complexity132.000
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
Solution Calculators
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