Norepinephrine
Also known as: (-)-(R)-Norepinephrine, (-)-NORADRENALINE, (-)-α-(Aminomethyl)protocatechuyl alcohol, (-)-norepinephrine, (R)-(-)-norepinephrine, (R)-4-(2-amino-1-hydroxyethyl)-1,2-benzenediol, (R)-noradrenaline, Adrenaline Impurity 2 (Adrenaline EP Impurity B), L-Arterenol, L-Noradrenaline, Levarterenol, Noradrenalin, noradrenaline, Norepinephrine free base
Norepinephrine (CAS 51-41-2) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C8H11NO3 and a molecular weight of 169.178 g/mol. Key properties include a melting point of 220-230°C, a boiling point of 442.6±40.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 221.5±27.3 °C. It is classified under GHS with signal word Danger and hazard statements H300, H310 and H330 — Fatal if inhaled. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 51-41-2
- Jingsj CID
- J-1001882-3
- Molecular Formula
- C8H11NO3
- Molecular Weight
- 169.178 g/mol
- Category
- Organic Compounds
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 220-230°C |
|---|---|
| Boiling Point | 442.6±40.0 °C at 760 mmHg |
| Density | 1.4±0.1 g/cm3 |
| Flash Point | 221.5±27.3 °C |
| Exact Mass | 169.073898 |
| PSA | 86.71000 |
| LogP | -0.88 |
| Vapor Pressure | 0.0±1.1 mmHg at 25°C |
| Refractive Index | 1.659 |
| Stability | Stable, but may be light-sensitive. Incompatible with acids, bases, oxidizing agents. Store at -20C. |
GHS Safety & Compliance
- H300
- H310
- H330 — Fatal if inhaled
Activity & Biological Data
| Target | Human Endogenous Metabolite |
|---|---|
| Additional Information | [1]. Myburgh J, et al. Norepinephrine: more of a neurohormone than a vasopressor. Crit Care. 2010;14(5):196. |
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 Norepinephrine?
The CAS number of Norepinephrine is 51-41-2.
What are the molecular formula and molecular weight of Norepinephrine?
Norepinephrine has molecular formula C8H11NO3 and molecular weight 169.178 g/mol.
Is Norepinephrine hazardous?
Norepinephrine has GHS signal word Danger and hazard statements H300; H310; H330 — Fatal if inhaled.
What are the upstream and downstream products of Norepinephrine?
For Norepinephrine, Upstream Products: DL-Norepinephrine, Glycine, 3,4-Dihydroxybenzaldehyde.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Norepinephrine (CAS 51-41-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1001882-3 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.