Ethylcyclopentenolone, 97%

About Ethylcyclopentenolone, 97%

Ethylcyclopentenolone is a carbonyl building block carrying the CAS registry number 21835-01-8, specified at 97% purity. Its molecular formula is C7H10O2 and its molecular weight is 126.15 g/mol. Systematically, it is named 3-ethyl-2-hydroxycyclopent-2-en-1-one. Common synonyms include 3--Ethylcyclopentan-1,2-dione and 2-Cyclopenten-1-one, 3-ethyl-2-hydroxy-.

The material typically appears as white to off-white to yellow powder or crystals. Literature values give a density of 1.066 at 25 °C. Store in a tightly closed container in a cool, dry and well-ventilated place. Good laboratory practice and suitable PPE are recommended during handling.

Typical applications include organic synthesis, condensation and reductive amination and API intermediates. Buyers come mainly from pharmaceutical manufacturing and academic and industrial research.

Standard pack sizes are 100 g, and every batch ships with a Certificate of Analysis (COA) and we export worldwide.

Typical applications

Organic synthesis
Condensation & reductive amination
API intermediates

Industries

Specifications & identifiers

Chemical identifiers
Product name	Ethylcyclopentenolone, 97%
Catalogue No.	VQ-008119
CAS Number	21835-01-8
IUPAC name	3-ethyl-2-hydroxycyclopent-2-en-1-one
Molecular formula	C₇H₁₀O₂
Molecular weight	126.15 g/mol
Exact mass	126.0681
Purity / assay	97%
HSN code	29332990
InChIKey	JHWFWLUAUPZUCP-UHFFFAOYSA-N
SMILES	CCC1=C(C(=O)CC1)O
PubChem CID	62752

Physical properties
Physical form	Crystalline
Appearance	White to off-white to yellow powder or crystals
Density	1.066 at 25 °C
LogP (XLogP3)	0.7
H-bond donors / acceptors	1 / 2
TPSA	37.3 Å²
Synonyms	3--Ethylcyclopentan-1,2-dione, 2-Cyclopenten-1-one, 3-ethyl-2-hydroxy-, 2-Hydroxy-3-ethyl-2-cyclopenten-1-one, 3-Ethyl-2-cyclopenten-2-ol-1-one, 3-Ethyl-2-hydroxycyclopent-2-enone, Ethylcyclotene, 3-Ethyl-2-hydroxy-2-cyclopentenone, 2-Hydroxy-3-ethyl-2-cyclopentene-1-one, Enol-3-Ethyl-1,2-cyclopentanedione, 2-Cyclopenten-1-one, 2-hydroxy-3-ethyl, 2-hydroxy-3-ethyl-2-cyclopentenone, ethyl cyclopentenolone

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Frequently asked questions

What is the CAS number of Ethylcyclopentenolone, 97%?

The CAS Registry Number of Ethylcyclopentenolone, 97% is 21835-01-8. It is also known as 3--Ethylcyclopentan-1,2-dione, 2-Cyclopenten-1-one, 3-ethyl-2-hydroxy-, 2-Hydroxy-3-ethyl-2-cyclopenten-1-one.

What is the molecular formula and molecular weight of Ethylcyclopentenolone, 97%?

Ethylcyclopentenolone, 97% has the molecular formula C7H10O2 and a molecular weight of 126.15 g/mol. Its IUPAC name is 3-ethyl-2-hydroxycyclopent-2-en-1-one.

Which grade and pack sizes of Ethylcyclopentenolone, 97% can I order?

We supply Ethylcyclopentenolone, 97% in (97%) grade, in 100 g packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Ethylcyclopentenolone, 97%?

Yes. Every lot of Ethylcyclopentenolone, 97% is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can Ethylcyclopentenolone, 97% be shipped internationally?

Yes. We export Ethylcyclopentenolone, 97% worldwide by air and sea freight or express courier, on EXW, FOB, CIF, CFR or DAP Incoterms, with full export documentation.