HEPES
4-羟乙基哌嗪乙磺酸
Also known as: 4-(2-Hydroxyethyl)-1-piperazineethanesulfonic acid, 2-[4-(2-Hydroxyethyl)-1-piperazinyl]ethanesulfonic acid, N-(2-Hydroxyethyl)piperazine-N'-(2-ethanesulfonic acid), HEPES buffer, Good's buffer, HEPES free acid, 4-(2-Hydroxyethyl)piperazine-1-ethanesulfonic acid
HEPES (CAS 7365-45-9) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C8H18N2O4S and a molecular weight of 238.305 g/mol. It is also known as 4-(2-Hydroxyethyl)-1-piperazineethanesulfonic acid, 2-[4-(2-Hydroxyethyl)-1-piperazinyl]ethanesulfonic acid and N-(2-Hydroxyethyl)piperazine-N'-(2-ethanesulfonic acid). Key properties include a melting point of 234-238 °C and a density of 1.3±0.1 g/cm3. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 7365-45-9
- Jingsj CID
- J-1107086-3
- Molecular Formula
- C8H18N2O4S
- Chinese Name
- 4-羟乙基哌嗪乙磺酸
- Molecular Weight
- 238.305 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 234-238 °C |
|---|---|
| Density | 1.3±0.1 g/cm3 |
Frequently Asked Questions
What is the CAS number of HEPES?
The CAS number of HEPES is 7365-45-9.
What are the molecular formula and molecular weight of HEPES?
HEPES has molecular formula C8H18N2O4S and molecular weight 238.305 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "HEPES (CAS 7365-45-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1107086-3 (accessed 2026-10-24).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.