N-Acetylneuraminic acid

N-乙酰神经氨酸

Also known as: NANA, Neu5Ac, Sialic acid, 5-Acetamido-3,5-dideoxy-D-glycero-D-galacto-2-nonulosonic acid, 5-Acetamido-3,5-dideoxy-D-glycero-D-galactononulosonic acid, Lactaminic acid, Aceneuramic acid, O-Sialic acid

N-Acetylneuraminic acid (CAS 131-48-6) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C11H19NO9 and a molecular weight of 309.270 g/mol. It is also known as NANA, Neu5Ac and Sialic acid. Key properties include a melting point of 184-186 °C (dec.)(lit.), a boiling point of 762.3±60.0 °C at 760 mmHg, a density of 1.6±0.1 g/cm3 and a flash point of 414.8±32.9 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
131-48-6
Jingsj CID
J-8738-6
Molecular Formula
C11H19NO9
Chinese Name
N-乙酰神经氨酸
Molecular Weight
309.270 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point184-186 °C (dec.)(lit.)
Boiling Point762.3±60.0 °C at 760 mmHg
Density1.6±0.1 g/cm3
Flash Point414.8±32.9 °C

Frequently Asked Questions

What is the CAS number of N-Acetylneuraminic acid?

The CAS number of N-Acetylneuraminic acid is 131-48-6.

What are the molecular formula and molecular weight of N-Acetylneuraminic acid?

N-Acetylneuraminic acid has molecular formula C11H19NO9 and molecular weight 309.270 g/mol.

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

Last updated:

How to cite: Jingsj. "N-Acetylneuraminic acid (CAS 131-48-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-8738-6 (accessed 2026-10-22).

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