1-Cyclopentene-1-acetaldehyde, 2-formyl-3-methyl- (9CI)

2-甲酰基-3-甲基-1-环戊烯-1-乙醛

Also known as: 1-Cyclopentene-1-acetaldehyde, 2-formyl-3-methyl-, 5-methyl-2-(2-oxoethyl)cyclopentene-1-carbaldehyde

1-Cyclopentene-1-acetaldehyde, 2-formyl-3-methyl- (9CI) (CAS 216512-70-8) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C9H12O2 and a molecular weight of 152.19000 g/mol. It is also known as 1-Cyclopentene-1-acetaldehyde, 2-formyl-3-methyl- and 5-methyl-2-(2-oxoethyl)cyclopentene-1-carbaldehyde. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 216512-70-8
Jingsj CID: J-1011600-9
Molecular Formula: C₉H₁₂O₂
Chinese Name: 2-甲酰基-3-甲基-1-环戊烯-1-乙醛
Molecular Weight: 152.19000 g/mol
Category: Aliphatic Hydrocarbons
Last updated: 8/21/2026

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Frequently Asked Questions

What is the CAS number of 1-Cyclopentene-1-acetaldehyde, 2-formyl-3-methyl- (9CI)?

The CAS number of 1-Cyclopentene-1-acetaldehyde, 2-formyl-3-methyl- (9CI) is 216512-70-8.

What are the molecular formula and molecular weight of 1-Cyclopentene-1-acetaldehyde, 2-formyl-3-methyl- (9CI)?

1-Cyclopentene-1-acetaldehyde, 2-formyl-3-methyl- (9CI) has molecular formula C9H12O2 and molecular weight 152.19000 g/mol.

Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.

Last updated: 8/21/2026

How to cite: Jingsj. "1-Cyclopentene-1-acetaldehyde, 2-formyl-3-methyl- (9CI) (CAS 216512-70-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1011600-9 (accessed 2026-10-23).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.