(-)-Pseudoephedrine
左旋伪麻黄碱
Also known as: (1R,2R)-(-)-Pseudoephedrine, (1R,2R)-(-)-2-(Methylamino)-1-phenylpropanol, alpha-(1-Methylaminoethyl)benzyl alcohol, (-)-threo-Ephedrine, (-)-gamma-Ephedrine, l-Pseudoephedrine, D-(-)-Pseudoephedrine, Pseudoephedrine base, R,R(-)-PSEUDOEPHEDRINE, l-Pseudoephedrine base, (1R,2R)-Ephedrine, MFCD00002203, EINECS 206-292-8, CPDD 0049
(-)-Pseudoephedrine (CAS 321-97-1) is a compound in the Organic Bases category listed in the Jingsj chemical database. It has the molecular formula C10H15NO and a molecular weight of 165.23200 g/mol. It is also known as (1R,2R)-(-)-Pseudoephedrine, (1R,2R)-(-)-2-(Methylamino)-1-phenylpropanol and alpha-(1-Methylaminoethyl)benzyl alcohol. Key properties include a melting point of 118-120 °C(lit.), a boiling point of 255ºC at 760 mmHg, a density of 1.015 g/cm3 and a flash point of 85.6ºC. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 321-97-1
- Jingsj CID
- J-29765-9
- Molecular Formula
- C10H15NO
- Chinese Name
- 左旋伪麻黄碱
- Molecular Weight
- 165.23200 g/mol
- Category
- Organic Bases
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 118-120 °C(lit.) |
|---|---|
| Boiling Point | 255ºC at 760 mmHg |
| Density | 1.015 g/cm3 |
| Flash Point | 85.6ºC |
GHS Safety & Compliance
Frequently Asked Questions
What is the CAS number of (-)-Pseudoephedrine?
The CAS number of (-)-Pseudoephedrine is 321-97-1.
What are the molecular formula and molecular weight of (-)-Pseudoephedrine?
(-)-Pseudoephedrine has molecular formula C10H15NO and molecular weight 165.23200 g/mol.
Is (-)-Pseudoephedrine hazardous?
(-)-Pseudoephedrine has GHS signal word Warning.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "(-)-Pseudoephedrine (CAS 321-97-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-29765-9 (accessed 2026-10-23).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.