L-Serine
Also known as: (S)-2-Amino-3-hydroxypropionic acid, H-Ser-OH, Ser, (S)-2-amino-3-hydroxypropanoic acid, L-2-Amino-3-hydroxypropionic acid, 3-Hydroxy-L-alanine, β-Hydroxy-L-alanine, alpha-Amino-beta-hydroxypropionic acid, L-Ser, L-(+)-Serine, Serine, L-, EINECS 200-274-3
L-Serine (CAS 56-45-1) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C3H7NO3 and a molecular weight of 105.093 g/mol. Key properties include a melting point of 222ºC, a boiling point of 394.8±32.0 °C at 760 mmHg, a density of 1.6 and a flash point of 192.6±25.1 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 56-45-1
- Jingsj CID
- J-1001287-9
- Molecular Formula
- C3H7NO3
- Molecular Weight
- 105.093 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 222ºC |
|---|---|
| Boiling Point | 394.8±32.0 °C at 760 mmHg |
| Density | 1.6 |
| Flash Point | 192.6±25.1 °C |
| Exact Mass | 105.042595 |
| PSA | 83.55000 |
| LogP | -1.58 |
| Vapor Pressure | 0.0±2.1 mmHg at 25°C |
| Refractive Index | 1.519 |
| Additional Property | 250 g/L (20 ºC) |
Activity & Biological Data
| Target | Human Endogenous Metabolite |
|---|---|
| Additional Information | [1]. de Koning TJ, et al. L-Serine in disease and development. Biochem J. 2003 May 1;371(Pt 3):653-61. |
Customs & Trade Information
| HS Code | 2922509090 |
|---|---|
| Summary | 2922509090. other amino-alcohol-phenols, amino-acid-phenols and other amino-compounds with oxygen function. 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 L-Serine?
The CAS number of L-Serine is 56-45-1.
What are the molecular formula and molecular weight of L-Serine?
L-Serine has molecular formula C3H7NO3 and molecular weight 105.093 g/mol.
What are the upstream and downstream products of L-Serine?
For L-Serine, Upstream Products: L-Serine methyl ester, N-Cbz-L-Serine, O-Benzyl-L-serine; Downstream Products: Hydroxypyruvic acid, L-Glutamic acid, N-(tert-Butoxycarbonyl)-L-serine.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "L-Serine (CAS 56-45-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1001287-9 (accessed 2026-11-07).
Data for reference only; verify product details with suppliers before purchase.