57B9YG5Y1E 492-41-1 Norephedrine, (-)- (R-(R*,S*))-alpha-(1-Aminoethyl)benzyl alcohol Benzenemethanol, alpha-(1-aminoethyl)-, (R-(R*,S*))- (9CI) Benzenemethanol, alpha-((1S)-1-aminoethyl)-, (alphaR)- 1-Propanol, 2-amino-1-phenyl-, (-)- (9CI) Benzenemethanol, alpha-(1-aminoethyl)-, (R-(R*,S*))- Benzyl alcohol, alpha-(1-aminoethyl)-, (-)- EINECS 207-755-7 Fenilpropanolamina [Italian] Mydriatin l-Norephedrine NSC 17704 l-Phenylpropanolamine USAF CS-6 (-)-Norephedrin (-)-Norephedrine (1R,2S)-(-)-Norephedrine (1R,2S)-2-Amino-1-phenyl-1-propanol (R,S)-(-)-Norephedrine erythro-(1R,2S)-Norephedrine (1R,2S)-Norephedrine Fenilpropanolamina UNII-57B9YG5Y1E CAS 492-41-1
| CAS No. | 492-41-1 |
| Molecular Formula | C9H19NO |
| Molecular Weight | 157.25 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
CATO supplies 57B9YG5Y1E 492-41-1 Norephedrine, (-)- (R-(R*,S*))-alpha-(1-Aminoethyl)benzyl alcohol Benzenemethanol, alpha-(1-aminoethyl)-, (R-(R*,S*))- (9CI) Benzenemethanol, alpha-((1S)-1-aminoethyl)-, (alphaR)- 1-Propanol, 2-amino-1-phenyl-, (-)- (9CI) Benzenemethanol, alpha-(1-aminoethyl)-, (R-(R*,S*))- Benzyl alcohol, alpha-(1-aminoethyl)-, (-)- EINECS 207-755-7 Fenilpropanolamina [Italian] Mydriatin l-Norephedrine NSC 17704 l-Phenylpropanolamine USAF CS-6 (-)-Norephedrin (-)-Norephedrine (1R,2S)-(-)-Norephedrine (1R,2S)-2-Amino-1-phenyl-1-propanol (R,S)-(-)-Norephedrine erythro-(1R,2S)-Norephedrine (1R,2S)-Norephedrine Fenilpropanolamina UNII-57B9YG5Y1E (CAS 492-41-1), a certified reference material (molecular formula C9H19NO, MW 157.25 g/mol) for analytical method development and quality control.
57B9YG5Y1E 492-41-1 Norephedrine, (-)- (R-(R*,S*))-alpha-(1-Aminoethyl)benzyl alcohol Benzenemethanol, alpha-(1-aminoethyl)-, (R-(R*,S*))- (9CI) Benzenemethanol, alpha-((1S)-1-aminoethyl)-, (alphaR)- 1-Propanol, 2-amino-1-phenyl-, (-)- (9CI) Benzenemethanol, alpha-(1-aminoethyl)-, (R-(R*,S*))- Benzyl alcohol, alpha-(1-aminoethyl)-, (-)- EINECS 207-755-7 Fenilpropanolamina [Italian] Mydriatin l-Norephedrine NSC 17704 l-Phenylpropanolamine USAF CS-6 (-)-Norephedrin (-)-Norephedrine (1R,2S)-(-)-Norephedrine (1R,2S)-2-Amino-1-phenyl-1-propanol (R,S)-(-)-Norephedrine erythro-(1R,2S)-Norephedrine (1R,2S)-Norephedrine Fenilpropanolamina UNII-57B9YG5Y1E (C9H19NO) contains an amide group, a hydroxyl group, an ether linkage. Its physicochemical properties are representative of its class; these physicochemical properties determine the optimal preparation and storage of its standard solutions. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C9H19NO |
| Molecular Weight | 157.25 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 1.0 |
| CAS Registry Year (est.) | 1957 |
| Nitrogen Atoms | 1 |
Recommended Standards
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