Isomaltose
异麦芽糖
Also known as: 6-O-alpha-D-glucopyranosyl-D-glucose, alpha-1,6-Glucobiose, Brachiose, D-Isomaltose, 6-O-α-D-glucopyranosyl-D-glucose
Isomaltose (CAS 499-40-1) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C12H22O11 and a molecular weight of 342.297 g/mol. It is also known as 6-O-alpha-D-glucopyranosyl-D-glucose, alpha-1,6-Glucobiose and Brachiose. Key properties include a melting point of 120 ºC, a boiling point of 774.5±60.0 °C at 760 mmHg, a density of 1.68±0.1 g/cm3 (20 ºC 760 Torr) and a flash point of 288.9±26.4 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 499-40-1
- Jingsj CID
- J-43176-1
- Molecular Formula
- C12H22O11
- Chinese Name
- 异麦芽糖
- Molecular Weight
- 342.297 g/mol
- Category
- Organic Compounds
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 120 ºC |
|---|---|
| Boiling Point | 774.5±60.0 °C at 760 mmHg |
| Density | 1.68±0.1 g/cm3 (20 ºC 760 Torr) |
| Flash Point | 288.9±26.4 °C |
| Exact Mass | 342.116211 |
| PSA | 189.53000 |
| LogP | -4.34 |
| Appearance | lyophilized powder | White |
| Vapor Pressure | 0.0±6.0 mmHg at 25°C |
| Refractive Index | 1.623 |
| Additional Property | Freely soluble (250 g/L) (25 ºC) |
Activity & Biological Data
| Target | Human Endogenous Metabolite |
|---|---|
| Additional Information | [1]. Kuriyama M, et al. Leucocyte alpha-1,4- and alpha-1,6-glucosidase activities towards oligosaccharides in late onset glycogenosis type II. Tohoku J Exp Med. 1990 Aug;161(4):343-51. |
Frequently Asked Questions
What is the CAS number of Isomaltose?
The CAS number of Isomaltose is 499-40-1.
What are the molecular formula and molecular weight of Isomaltose?
Isomaltose has molecular formula C12H22O11 and molecular weight 342.297 g/mol.
What are the upstream and downstream products of Isomaltose?
For Isomaltose, Upstream Products: D-Glucose, Maltose, sucrose; Downstream Products: 1-O-α-D-Glucopyranosyl-D-mannitol, D-Mannitol, Sorbitol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Isomaltose (CAS 499-40-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-43176-1 (accessed 2026-10-28).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.