Cyclopentylideneacetic acid methyl ester
Also known as: tuberose acetate, methyl 2-cyclopentylideneacetate, cyclopidene, methyl cyclopentylideneacetate, Acetic acid, 2-cyclopentylidene-, methyl ester, Acetic acid, cyclopentylidene-, methyl ester, Cyclopentylideneacetic acid, methyl ester, Methylcyclopentylidenacetat, EINECS 254-837-3
Cyclopentylideneacetic acid methyl ester (CAS 40203-73-4) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C8H12O2 and a molecular weight of 140.18000 g/mol. Key properties include a boiling point of 193.7ºC at 760mmHg and a density of 1.113g/cm3. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 40203-73-4
- Jingsj CID
- J-1417611-5
- Molecular Formula
- C8H12O2
- Molecular Weight
- 140.18000 g/mol
- Category
- Aliphatic Hydrocarbons
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 193.7ºC at 760mmHg |
|---|---|
| Density | 1.113g/cm3 |
| Exact Mass | 140.08400 |
| PSA | 26.30000 |
| LogP | 1.65980 |
| Refractive Index | 1.553 |
Customs & Trade Information
| HS Code | 2916209090 |
|---|---|
| Summary | 2916209090 other cyclanic, cyclenic or cyclotherpenic monocarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives VAT:17.0% Tax rebate rate:9.0% Supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward) MFN tariff:6.5% General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of Cyclopentylideneacetic acid methyl ester?
The CAS number of Cyclopentylideneacetic acid methyl ester is 40203-73-4.
What are the molecular formula and molecular weight of Cyclopentylideneacetic acid methyl ester?
Cyclopentylideneacetic acid methyl ester has molecular formula C8H12O2 and molecular weight 140.18000 g/mol.
What are the upstream and downstream products of Cyclopentylideneacetic acid methyl ester?
For Cyclopentylideneacetic acid methyl ester, Upstream Products: Phosphonoacetic acid, Cyclopentanone, Trimethyl phosphonoacetate; Downstream Products: Methyl cyclopentylacetate, ethyl 2-cyclopentylideneacetate.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Cyclopentylideneacetic acid methyl ester (CAS 40203-73-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1417611-5 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.