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(-)-Pseudoephedrine

(-)-Pseudoephedrine structure

CAS No.: 321-97-1

Chemical Name:: (-)-Pseudoephedrine

Synonyms: CPDD 0049;(-)-y-Ephedrine;(1r,2r)-ephedrine;(-)-PSI-EPHEDRINE;(-)-threo-Ephedrine;(-)-Pseudoephedrine;PSEUDOEPHEDRINE BASE;R,R(-)-PSEUDOEPHEDRINE;l-Pseudoephedrine base;S,S(+)-Pseudoephedrine

CBNumber:: CB8107741

Molecular Formula:: C10H15NO

Molecular Weight:: 165.23

MDL Number:: MFCD00002203

MOL File:: 321-97-1.mol

Last updated:2026-08-28 09:47:25

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(-)-Pseudoephedrine Properties

Melting point	118-120 °C(lit.)
Boiling point	255.0±0.0 °C(Predicted)
alpha	-51 º (c=0.6, EtOH)
Density	1.015±0.06 g/cm3(Predicted)
Flash point	9℃
storage temp.	Refrigerator (+4°C)
pka	13.96±0.20(Predicted)
optical activity	[α]20/D 51°, c = 0.6 in ethanol
BRN	2803417
LogP	0.683 at 25℃
CAS DataBase Reference	321-97-1(CAS DataBase Reference)
FDA UNII	S76J9U46ST

SAFETY

Risk and Safety Statements

Symbol(GHS)	GHS05,GHS07
Signal word	Danger
Hazard statements	H302-H314-H317-H336
Precautionary statements	P260-P270-P280-P301+P312-P303+P361+P353-P305+P351+P338
Hazard Codes	Xn,T,F
Risk Statements	20/21/22-36/37/38-39/23/24/25-23/24/25-11
Safety Statements	26-37/39-45-36/37-16-7
RIDADR	UN1230 - class 3 - PG 2 - Methanol, solution
WGK Germany	3
RTECS	UL5750500
HS Code	29394200
REACH Registrations	Active

(-)-Pseudoephedrine price More Price(3)

Manufacturer	Product number	Product description	CAS number	Packaging	Price	Updated	Buy
Sigma-Aldrich	P-036	(R,R)-(-)-Pseudoephedrine solution 1.0?mg/mL in methanol, ampule of 1?mL, certified reference material, Cerilliant?	321-97-1	1mL	$30.6	2026-04-30	Buy
Sigma-Aldrich	287644	(1R,2R)-(?)-Pseudoephedrine 98%	321-97-1	25g	$332	2026-04-30	Buy
Sigma-Aldrich	287644	(1R,2R)-(?)-Pseudoephedrine 98%	321-97-1	100g	$749	2026-04-30	Buy

Product number	Packaging	Price	Buy
P-036	1mL	$30.6	Buy
287644	25g	$332	Buy
287644	100g	$749	Buy

(-)-Pseudoephedrine Chemical Properties,Uses,Production

Chemical Properties

white to almost white crystalline powder

Uses

(-)-Pseudoephedrine is used as respiratory system medications.

(-)-Pseudoephedrine synthesis

Synthesis of (-)-Pseudoephedrine from (R,R)-(-)-PSEUDOEPHEDRINE GLYCINAMIDE

(-)-Pseudoephedrine Preparation Products And Raw materials

Raw materials

Benzamide, N-methyl-N-(1-methyl-2-oxo-2-phenylethyl)- (R,R)-(-)-PSEUDOEPHEDRINE GLYCINAMIDE

Preparation Products

(-)-Pseudoephedrine Spectrum

(-)-Pseudoephedrine(321-97-1)¹HNMR (-)-Pseudoephedrine(321-97-1)FT-IR (-)-Pseudoephedrine(321-97-1)Raman

321-97-1((-)-Pseudoephedrine)Related Search:

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Chloramphenicol (-)-Pseudoephedrine (R)-(+)-a,a-Diphenyl-2-pyrrolidinemethanol (R)-alpha,alpha-Diphenylmethylprolinol RHOEADINE

Chloramphenicol palmitate (1S,2S)-PSEUDOEPHEDRINE-(R)-2-METHYLHYDR P-CHLORO-NOR-PSEUDOEPHEDRINE HYDROCHLORIDE

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(1R,2R)-2-METHYLAMINO-1-PHENYL-1-PROPANOL (1R,2R)-2-(METHYLAMINO)-1-PHENYLPROPAN-1-OL (1r,2r)-(-)-2-(methylamino)-1-phenylpropanol (1R,2R)-(-)-PSEUDOEPHEDRINE [R-(R*,R*)]-alpha-[1-(methylamino)ethyl]benzyl alcohol l-Pseudoephedrine base R,R(-)-PSEUDOEPHEDRINE (-)-PSI-EPHEDRINE (1r,2r)-ephedrine alpha-(1-(methylamino)ethyl)-,(r-(r*,r*))-benzenemethano (IR,2R)-1-Pseudephedrine Base R,R(-PSEUDOEPHEDRINE,1.0MG/MLINMETHANOL (-)-threo-Ephedrine (-)-y-Ephedrine (αR)-α-[(1R)-1-(methylamino)ethyl]benzenemethanol Benzenemethanol, α-[(1R)-1-(methylamino)ethyl]-, (αR)- Benzenemethanol, α-[1-(methylamino)ethyl]-, [R-(R*,R*)]- CPDD 0049 l-(1R,2R)-Pseudoephedrine Pseudoephedrine, (-)- (8CI) (1R,2R)-(-)-PSEUDOEPYHEDRINE L-Pseudoephedrine (base and/or unspecified salts) (1R,2R)-(-)-PSEUDOEPHEDRINE 98% (-)-Pseudoephedrine alpha-(1-Methylaminoethyl)benzyl alcohol α-(1-Methylaminoethyl)benzyl alcohol, (-)-ω-Ephedrine, (-)-Pseudoephedrine, l-Pseudoephedrine, (1R,2R)-(-)-2-(Methylamino)-1-phenylpropanol (-)-ω-Ephedrine, (1R,2R)-2-Methylamino-1-phenyl-1-propanol, L-Pseudoephedrine Benzenemethanol, alpha-(1-(methylamino)ethyl)-, (R-(R*,R*)) (1R,2R)-1-Phenyl-2-(methylamino)-1-propanol (1R,2R)-1-Phenyl-2-methylamino-1-propanol (R)-α-[(R)-1-(Methylamino)ethyl]benzenemethanol Fisher-(1R,2R)-(-)-pseudoephedrine (1R,2R)-(-)-Pseudoephedrine,98% (1R,2R)-(-)-Pseudoephedine Methanol( test S,S(+)-Pseudoephedrine, 1.0 mg/mL) R,R(-)-Pseudoephedrine solution PSEUDOEPHEDRINE BASE R,R(-)-Pseudoephedrine, 1.0 mg/mL S,S(+)-Pseudoephedrine (-)-Pseudoephedrine ((1R,2R)-Pseudoephedrine) [R-(R*,R*)]-α-[1-(methylamino)ethyl]benzyl alcohol (-)-Pseudoephedrine 1.0 mg/ml in Methanol (-)-Pseudoephedrine, 1mg/ml in Acetonitrile 321-97-1 321-98-1 C6H5CHCHNHCH3CH3OH Ephedrine Derivatives Asymmetric Synthesis Chiral Auxiliaries Pharmaceutical Raw Materials