5-Bromouracil - ≥99% , CAS No.51-20-7

CAS: 51-20-7 Cat. No.: B109680 Molecular Weight: 190.98 Beilstein Registry Number: 127176 EC Number: 200-084-0
AVAILABLE TO ORDER
GRADE & PURITY ≥99%
Synonyms
Q238477 | Z275128628 | AB00570 | SR-01000636400-1 | 4HK400G5UO | InChI=1/C4H3BrN2O2/c5-2-1-6-4(9)7-3(2)8/h1H,(H2,6,7,8,9 | 5-Bromouracil | 5-bromo-uracil | AC-3034 | AM83917 | B-9200 | F3096-1702 | 5-Bromouracil, 98% | BP-12090 | 5-BrU | Bromhydroxypyrimi
Storage
Room temperature
Shipped In
Normal
 ·  off list, applied to all prices below.
Size
Status
Price
Qty
5g
B109680-5g
5
$9.90
25g
B109680-25g
5
$19.90
100g
B109680-100g
5
$58.90
500g
B109680-500g
1
$270.90
Enter a quantity for the sizes you want to add.
🧪

Why this grade

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

🌡

Storage & shipping

Room temperature Ships Normal 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 5 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Overview

application:

A major chemical mutagen. Incorporates into DNA, altering base-pair sequencing by replacing thymine.

Specifications

Synonyms
Q238477 | Z275128628 | AB00570 | SR-01000636400-1 | 4HK400G5UO | InChI=1/C4H3BrN2O2/c5-2-1-6-4(9)7-3(2)8/h1H, (H2, 6, 7, 8, 9 | 5-Bromouracil | 5-bromo-uracil | AC-3034 | AM83917 | B-9200 | F3096-1702 | 5-Bromouracil, 98% | BP-12090 | 5-BrU | Bromhydroxypyrimi
Specifications & Purity
≥99%
Storage
Room temperature
Shipped In
Normal
Purity
≥99%
Names and Identifiers
Pubchem Sid488179941
Pubchem Sid Urlhttps://pubchem.ncbi.nlm.nih.gov/substance/488179941
Canonical SmilesC1=C(C(=O)NC(=O)N1)Br
IUPAC Name5-bromo-1H-pyrimidine-2,4-dione
InChIKeyLQLQRFGHAALLLE-UHFFFAOYSA-N
INCHI1S/C4H3BrN2O2/c5-2-1-6-4(9)7-3(2)8/h1H,(H2,6,7,8,9)
Isomeric SMILES C1=C(C(=O)NC(=O)N1)Br
WGK Germany 3
RTECS YQ9060000
UN Number 2811
Packing Group I
Molecular Weight 190.98
Beilstein 127176
Reaxy-Rn 127176
Reaxys-RN_link_address https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=127176&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 ParentHalopyrimidines
Alternative Parents Hydroxypyrimidines  Aryl bromides  Heteroaromatic compounds  Azacyclic compounds  Organopnictogen compounds  Organooxygen compounds  Organonitrogen compounds  Organobromides  Hydrocarbon derivatives  
Molecular FrameworkAromatic heteromonocyclic compounds
Substituents Hydroxypyrimidine - Halopyrimidine - Aryl halide - Aryl bromide - Heteroaromatic compound - Azacycle - Organic nitrogen compound - Organic oxygen compound - Organopnictogen compound - Hydrocarbon derivative - Organooxygen compound - Organonitrogen compound - Organobromide - Organohalogen compound - Aromatic heteromonocyclic compound
DescriptionThis compound belongs to the class of organic compounds known as halopyrimidines. These are aromatic compounds containing a halogen atom linked to a pyrimidine ring. Pyrimidine is a 6-membered ring consisting of four carbon atoms and two nitrogen centers at the 1- and 3- ring positions.
External Descriptors pyrimidines - nucleobase analogue
3D Structure
Interactive Chemical Structure Model





Associated Targets(Human)
Raji (5516 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Associated Targets(non-human)
L1210 (27553 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.

20 results found

Lot NumberCertificate TypeDateItem
K2225191Certificate of AnalysisMay 09, 2026 B109680
K2215080Certificate of AnalysisMay 09, 2026 B109680
D2416232Certificate of AnalysisJan 21, 2026 B109680
D2416231Certificate of AnalysisJan 21, 2026 B109680
D2416221Certificate of AnalysisJan 21, 2026 B109680
G2029020Certificate of AnalysisDec 22, 2025 B109680
G2029019Certificate of AnalysisDec 22, 2025 B109680
D2221073Certificate of AnalysisOct 11, 2025 B109680
D2221092Certificate of AnalysisOct 11, 2025 B109680
A2305451Certificate of AnalysisOct 23, 2024 B109680
A2305370Certificate of AnalysisOct 23, 2024 B109680
A2305214Certificate of AnalysisOct 23, 2024 B109680
A2305445Certificate of AnalysisOct 15, 2024 B109680
A2305369Certificate of AnalysisOct 15, 2024 B109680
A2305449Certificate of AnalysisOct 15, 2024 B109680
A2203227Certificate of AnalysisOct 11, 2023 B109680
G2128070Certificate of AnalysisMay 09, 2023 B109680
D2221091Certificate of AnalysisMar 09, 2022 B109680
B2210090Certificate of AnalysisFeb 16, 2022 B109680
A2221057Certificate of AnalysisDec 16, 2021 B109680

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Chemical and Physical Properties
SolubilityDMSO (Slightly), Water (Slightly)
Melt Point(°C)>300 °C
Molecular Weight190.980 g/mol
XLogP3-0.200
Hydrogen Bond Donor Count2
Hydrogen Bond Acceptor Count2
Rotatable Bond Count0
Exact Mass189.938 Da
Monoisotopic Mass189.938 Da
Topological Polar Surface Area58.200 Ų
Heavy Atom Count9
Formal Charge0
Complexity199.000
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. Hanwen Liu, Ying Liu, Ting Zhou, Penghui Zhou, Jianguo Li, Anping Deng.  (2022)  Ultrasensitive and Specific Detection of Anticancer Drug 5-Fluorouracil in Blood Samples by a Surface-Enhanced Raman Scattering (SERS)-Based Lateral Flow Immunochromatographic Assay.  MOLECULES,  27  (13): (4019).  [PMID:35807264] [10.3390/molecules27134019]
2. Ting Zhou, Guangzhao He, Changjia Hu, Kang Wu, Ying Liu, Jianguo Li, Anping Deng.  (2022)  Development of a highly sensitive and specific monoclonal antibody-based ELISA coupled with immuno-affinity extraction for the detection of anticancer drug 5-fluorouracil in blood samples.  TALANTA,      [PMID:35696979] [10.1016/j.talanta.2022.123655]
3. Su Xue-ling, Wang Shu-hui, Komal Sumra, Cui Liu-gen, Ni Rui-cong, Zhang Li-rong, Han Sheng-na.  (2022)  The caspase-1 inhibitor VX765 upregulates connexin 43 expression and improves cell–cell communication after myocardial infarction via suppressing the IL-1β/p38 MAPK pathway.  ACTA PHARMACOLOGICA SINICA,  43  (9): (2289-2301).  [PMID:35132192] [10.1038/s41401-021-00845-8]
4. Xiu Liu, Ling Zhang, Jin-Guo Tan, Han-Hong Xu.  (2013)  Design and synthesis of N-alkyl-N′-substituted 2,4-dioxo-3,4-dihydropyrimidin-1-diacylhydrazine derivatives as ecdysone receptor agonist.  BIOORGANIC & MEDICINAL CHEMISTRY,      [PMID:23757207] [10.1016/j.bmc.2013.05.010]
5. Liu-Gen Cui, Miao-Miao Zhai, Jian-Jian Yin, Zhi-Mo Wang, Shu-Hui Wang, Yue-Jiao Zhou, Pei-Pei Li, Yang Wang, Li Xia, Pei Wang, Xue-Xiang Cha, Li-Rong Zhang, Sheng-Na Han.  (2024)  Targeting the ALKBH5-NLRP3 positive feedback loop alleviates cardiomyocyte pyroptosis after myocardial infarction.  EUROPEAN JOURNAL OF PHARMACOLOGY,      [PMID:39746531] [10.1016/j.ejphar.2024.177247]
Solution Calculators
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