L-Citrulline
Also known as: (S)-2-Amino-5-ureidopentanoic acid, Citrulline, L-(+)-Citrulline, H-Cit-OH, L-Cit-OH, N5-carbamoyl-L-ornithine, Nδ-carbamylornithine, α-amino-δ-ureidovaleric acid, (2S)-2-amino-5-(carbamoylamino)pentanoic acid, N5-(Aminocarbonyl)-L-ornithine, Sitrulline
L-Citrulline (CAS 372-75-8) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C6H13N3O3 and a molecular weight of 175.186 g/mol. Key properties include a melting point of 214 °C, a boiling point of 386.7±42.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 187.7±27.9 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 372-75-8
- Jingsj CID
- J-48837-0
- Molecular Formula
- C6H13N3O3
- Molecular Weight
- 175.186 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 214 °C |
|---|---|
| Boiling Point | 386.7±42.0 °C at 760 mmHg |
| Density | 1.3±0.1 g/cm3 |
| Flash Point | 187.7±27.9 °C |
| Exact Mass | 175.095688 |
| PSA | 118.44000 |
| LogP | -1.53 |
| Vapor Pressure | 0.0±1.9 mmHg at 25°C |
| Refractive Index | 1.531 |
| Additional Property | 200 g/L (20 ºC) |
Activity & Biological Data
| Target | Human Endogenous Metabolite |
|---|---|
| Additional Information | [1]. Fleszar MG, et al. Quantitative Analysis of l-Arginine, Dimethylated Arginine Derivatives, l-Citrulline, and Dimethylamine in Human Serum Using Liquid Chromatography-Mass Spectrometric Method. Chromatographia. 2018;81(6):911-921. |
Customs & Trade Information
| HS Code | 2924199090 |
|---|---|
| Summary | 2924199090. other acyclic amides (including acyclic carbamates) and their derivatives; salts thereof. 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-Citrulline?
The CAS number of L-Citrulline is 372-75-8.
What are the molecular formula and molecular weight of L-Citrulline?
L-Citrulline has molecular formula C6H13N3O3 and molecular weight 175.186 g/mol.
What are the upstream and downstream products of L-Citrulline?
For L-Citrulline, Upstream Products: L-Arginine, L-Ornithine hydrochloride, Urea; Downstream Products: N-(tert-Butoxycarbonyl)-L-citrulline, L-Arginine, L-Proline.
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-Citrulline (CAS 372-75-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-48837-0 (accessed 2026-11-06).
Data for reference only; verify product details with suppliers before purchase.