1,1-Cyclobutanedicarboxylic acid - ≥99% , CAS No.5445-51-2

CAS: 5445-51-2 Cat. No.: C102027 Molecular Weight: 144.13 Beilstein Registry Number: 2046031 EC Number: 226-651-2
AVAILABLE TO ORDER
GRADE & PURITY ≥99%
Synonyms
1,1-Cyclobutanedicarboxylic acid | Cyclobutanedicarboxylic acid | Cyclobutane-1,1-dicarboxylic acid | 1,1-dicarboxylcyclobutane | 1,1-Cyclobutyl dicarboxylic acid
Storage
Room temperature
Shipped In
Normal
 ·  off list, applied to all prices below.
Size
Status
Price
Qty
5g
C102027-5g
2

$9.90

$14.90
Save $5.00 (33.56%)
25g
C102027-25g
2

$34.90

$41.90
Save $7.00 (16.71%)
100g
C102027-100g
1

$114.90

$150.90
Save $36.00 (23.86%)
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 2 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Specifications

Synonyms
1, 1-Cyclobutanedicarboxylic acid | Cyclobutanedicarboxylic acid | Cyclobutane-1, 1-dicarboxylic acid | 1, 1-dicarboxylcyclobutane | 1, 1-Cyclobutyl dicarboxylic acid
Specifications & Purity
≥99%
Storage
Room temperature
Shipped In
Normal
Purity
≥99%
Names and Identifiers
Canonical SmilesC1CC(C1)(C(=O)O)C(=O)O
IUPAC Namecyclobutane-1,1-dicarboxylic acid
InChIKeyCCQPAEQGAVNNIA-UHFFFAOYSA-N
INCHI1S/C6H8O4/c7-4(8)6(5(9)10)2-1-3-6/h1-3H2,(H,7,8)(H,9,10)
Isomeric SMILES C1CC(C1)(C(=O)O)C(=O)O
WGK Germany 3
UN Number 3261
Molecular Weight 144.13
Beilstein 2046031
Reaxy-Rn 2046031
Reaxys-RN_link_address https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=2046031&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
SuperclassOrganic acids and derivatives
ClassCarboxylic acids and derivatives
SubclassDicarboxylic acids and derivatives
Intermediate Tree Nodes Not available
Direct ParentDicarboxylic acids and derivatives
Alternative Parents Carboxylic acids  Organic oxides  Hydrocarbon derivatives  Carbonyl compounds  
Molecular FrameworkAliphatic homomonocyclic compounds
Substituents Dicarboxylic acid or derivatives - Carboxylic acid - Organic oxygen compound - Organic oxide - Hydrocarbon derivative - Organooxygen compound - Carbonyl group - Aliphatic homomonocyclic compound
DescriptionThis compound belongs to the class of organic compounds known as dicarboxylic acids and derivatives. These are organic compounds containing exactly two carboxylic acid groups.
External Descriptors cyclobutanedicarboxylic acid
3D Structure
Interactive Chemical Structure Model





Associated Targets(Human)
EHMT2 Tchem Histone-lysine N-methyltransferase, H3 lysine-9 specific 3 (93046 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Associated Targets(non-human)
ampC Beta-lactamase AmpC (62480 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Escherichia coli (133304 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Txnrd2 Thioredoxin reductase 2, mitochondrial (18 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Txnrd1 Thioredoxin reductase 1, cytoplasmic (45279 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.

7 results found

Lot NumberCertificate TypeDateItem
K2125865Certificate of AnalysisSep 08, 2025 C102027
I1706007Certificate of AnalysisApr 09, 2025 C102027
B2423712Certificate of AnalysisJan 31, 2024 C102027
I2328036Certificate of AnalysisSep 08, 2023 C102027
I2328038Certificate of AnalysisSep 08, 2023 C102027
E1922009Certificate of AnalysisMar 09, 2023 C102027
F2328121Certificate of AnalysisAug 06, 2021 C102027
Chemical and Physical Properties
Melt Point(°C)158°C
Molecular Weight144.120 g/mol
XLogP30.400
Hydrogen Bond Donor Count2
Hydrogen Bond Acceptor Count4
Rotatable Bond Count2
Exact Mass144.042 Da
Monoisotopic Mass144.042 Da
Topological Polar Surface Area74.600 Ų
Heavy Atom Count10
Formal Charge0
Complexity164.000
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. Lihua Chen, Pan Zhao, Jing Yang, Xiali Liao, Bo Yang, Chuanzhu Gao.  (2022)  Synthesis, characterization, and antitumor biological evaluation of novel fluorine-containing platinum (IV) complexes.  APPLIED ORGANOMETALLIC CHEMISTRY,  36  (7): (e6759).  [PMID:] [10.1002/aoc.6759]
2. Chunyan Jia, Yanwei Cong, Shaoping Pu, Linxiang Cai, Yunshuang Zhong, Xinzhong Zhang, Xiali Liao, Yamin Li, Bo Yang, Chuanzhu Gao.  (2020)  Synthesis, characterization, and biological activity of new mixed ammine/amine platinum(IV) complexes.  APPLIED ORGANOMETALLIC CHEMISTRY,  34  (8): (e5680).  [PMID:] [10.1002/aoc.5680]
Solution Calculators
Reviews

Customer Reviews

Shall we send you a message when we have discounts available?

Remind me later

Thank you! Please check your email inbox to confirm.

Oops! Notifications are disabled.