7-methoxy-7-oxoheptanoic acid
Also known as: methyl hydrogen heptane-1,7-dioate, heptanedioic acid, monomethyl ester, pimelic acid monomethyl ester, monomethyl pimelate, 6-methoxycarbonylhexanoic acid, heptanedioic acid, 1-methyl ester, methyl hydrogen pimelate
7-methoxy-7-oxoheptanoic acid (CAS 20291-40-1) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C8H14O4 and a molecular weight of 174.19400 g/mol. Key properties include a boiling point of 272.5ºC at 760mmHg, a density of 1.097g/cm3 and a flash point of 104.3ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 20291-40-1
- Jingsj CID
- J-1423187-9
- Molecular Formula
- C8H14O4
- Molecular Weight
- 174.19400 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 272.5ºC at 760mmHg |
|---|---|
| Density | 1.097g/cm3 |
| Flash Point | 104.3ºC |
| Exact Mass | 174.08900 |
| PSA | 63.60000 |
| LogP | 1.19450 |
| Vapor Pressure | 0.00169mmHg at 25°C |
| Refractive Index | 1.447 |
Customs & Trade Information
| HS Code | 2918990090 |
|---|---|
| Summary | 2918990090. other carboxylic acids with additional oxygen function and their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulphonated, nitrated or nitrosated derivatives. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of 7-methoxy-7-oxoheptanoic acid?
The CAS number of 7-methoxy-7-oxoheptanoic acid is 20291-40-1.
What are the molecular formula and molecular weight of 7-methoxy-7-oxoheptanoic acid?
7-methoxy-7-oxoheptanoic acid has molecular formula C8H14O4 and molecular weight 174.19400 g/mol.
What are the upstream and downstream products of 7-methoxy-7-oxoheptanoic acid?
For 7-methoxy-7-oxoheptanoic acid, Upstream Products: Dimethyl pimelate, Pimelic acid, Methanol; Downstream Products: Dimethyl dodecanedioate, Methyl 7-oxoheptanoate, epsilon-Caprolactone.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "7-methoxy-7-oxoheptanoic acid (CAS 20291-40-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1423187-9 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.