3-Oxocyclobutanecarboxylic acid

CAS No.：23761-23-1

Important Notice

This product is a chemical product/pharmaceutical intermediate. It is not a drug, an active pharmaceutical ingredient (API), or a pharmaceutical-grade material. It has not been granted a drug approval number or a Chemical Drug Substance Approval Notice, has not passed drug-related review and approval, and is not manufactured, tested, or released in accordance with pharmaceutical GMP.
This product is intended solely for non-clinical research, process development, quality studies, further chemical processing, or chemical synthesis. It must not be used in drug-product manufacturing, clinical trials, clinical diagnosis, or administration to humans or animals, or be sold, used as an input, submitted for regulatory filing, or released as an API or pharmaceutical material.
The purchaser must not use this product, or supply it to another party, for personal consumption, sports or fitness, weight loss, health supplements, food, or animal feed.

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3-Oxocyclobutanecarboxylic acid Basic information

Product Name:	3-Oxocyclobutanecarboxylic acid
Synonyms:	3-OXO-CYCLOBUTANECARBOXYLIC ACID;(3-oxocyclobutyl)carboxylic acid;3-Oxycyclobutanecarboxylic acid;3-Oxo-cyclobutanecarboxylic acid ,95%;3-Oxocyclobutanecarboxyli...;3-oxocyclobutanecarboxylic acid(SALTDATA: FREE);3-Oxocyclobutane-1-carboxylic acid 98%;IFLAB-BB F2124-0041
CAS:	23761-23-1
MF:	C5H6O3
MW:	114.1
EINECS:	639-432-5
Product Categories:	Building Blocks/Intermediates;API intermediates;Pharmaceutical intermediate;Miscellaneous Reagents
Mol File:	23761-23-1.mol

3-Oxocyclobutanecarboxylic acid Chemical Properties

Melting point	69-70℃
Boiling point	296°C
density	1.431
Fp	147°C
storage temp.	Keep in dark place,Sealed in dry,Room Temperature
form	Solid
pka	4.35±0.20(Predicted)
color	Off-white
Water Solubility	Slightly soluble in water.
CAS DataBase Reference	23761-23-1(CAS DataBase Reference)

Safety Information

Hazard Codes	Xn
Risk Statements	22
Safety Statements	26-37-60
TSCA	No
HS Code	29189900

MSDS Information

3-Oxocyclobutanecarboxylic acid Usage And Synthesis

Chemical Properties	White solid
Uses	3-Oxocyclobutanecarboxylic Acid (cas# 23761-23-1) is a compound useful in organic synthesis.
Application	3-Oxocyclobutanecarboxylic acid is a very important medicine intermediate, it is widely applied in the synthetic of tens kinds of bulk drugs, such as ACK1 antibody, the MDM2 antagonist, the JAK inhibitor, CETP inhibitor, kinase inhibitor, the PDE10 inhibitor, thrombin inhibitors and in autoimmunization chronic inflammatory diseases and antitumor drug, all being used to.
Synthesis Reference(s)	The Journal of Organic Chemistry, 53, p. 3841, 1988 DOI: 10.1021/jo00251a033

3-Oxocyclobutanecarboxylic acid Preparation Products And Raw materials

Preparation Products

3,3-Difluorocyclobutanecarboxylic acid-->5,8-Dioxaspiro[3.4]octane-2-Methanol-->Methyl 3-broMocyclobutane-1-carboxylate-->3-BroMocyclobutanone-->3-Hydroxy-cyclobutanecarboxylic acid ethyl ester-->Methyl cis-3-hydroxycyclobutanecarboxylate-->Carbamic acid, (3-hydroxycyclobutyl)-, 1,1-dimethylethyl ester (9CI)-->3-METHYLENECYCLOBUTANECARBOXYLIC ACID-->3-Oxo-cyclobutanecarboxylic acid 2,5-dioxo-pyrrolidin-1-yl ester-->isopropyl3-oxocyclobutane-1-carboxylate

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