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(1S,2R)-N-TOSYLEPHEDRINE

(1S,2R)-N-TOSYLEPHEDRINE structure

CAS No.: 127641-25-2

Chemical Name:: (1S,2R)-N-TOSYLEPHEDRINE

Synonyms: (1R,2S)-1-Phenyl-2-pyrrolidin-1-yl-propan-1-ol;(1R,2S)-1-PHENYL-2-(1-PYRROLIDINYL)-1-PROPANOL;NP1N;Efavirenz Impurity 29;Pyrrolidine impurity 4;(1S,2R)-N-TOSYLEPHEDRINE;(1R,2S)-Pyrrolidinyl norephedrine;(1R,2S)-N,N-TETRAMETHYLENENOREPHEDRINE;(R-(R*,S*))-BETA-METHYL-ALPHA-PHENYL-1-P;(1R,2S)-2-Pyrrolidino-1-phenyl-1-propanol

CBNumber:: CB3664263

Molecular Formula:: C13H19NO

Molecular Weight:: 205.3

MDL Number:: MFCD01632702

MOL File:: 127641-25-2.mol

MSDS File:: SDS

TDS File:: TDS

Last updated:2026-05-28 03:57:34

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(1S,2R)-N-TOSYLEPHEDRINE Properties

Melting point	45-48 °C (lit.)
Boiling point	321.3±22.0 °C(Predicted)
Density	1.075±0.06 g/cm3(Predicted)
Flash point	>230 °F
storage temp.	Sealed in dry,Room Temperature
solubility	Chloroform (Slightly), Methanol (Slightly)
form	Solid
pka	13.89±0.20(Predicted)
color	White to Light Yellow
optical activity	[α]20/D +15°, c = 2 in chloroform
InChI	InChI=1/C13H19NO/c1-11(14-9-5-6-10-14)13(15)12-7-3-2-4-8-12/h2-4,7-8,11,13,15H,5-6,9-10H2,1H3/t11-,13-/s3
InChIKey	FZVHJGJBJLFWEX-AAEUAGOBSA-N
SMILES	N1(CCCC1)[C@@H](C)[C@H](O)C1=CC=CC=C1 \|&1:5,7,r\|
FDA UNII	WIS9Q321LW
UNSPSC Code	12352005
NACRES	NA.22

SAFETY

Risk and Safety Statements

Symbol(GHS)

GHS07

Signal word

Warning

Hazard statements

H315-H319-H335

Precautionary statements

P261-P305+P351+P338

target organs

Respiratory system

PPE

dust mask type N95 (US), Eyeshields, Gloves

Hazard Codes

Risk Statements

36/37/38

Safety Statements

26-36

WGK Germany

HS Code

29339900

Storage Class

11 - Combustible Solids

Hazard Classifications

Eye Irrit. 2
Skin Irrit. 2
STOT SE 3

NFPA 704

	0
2		0

(1S,2R)-N-TOSYLEPHEDRINE price More Price(38)

Manufacturer	Product number	Product description	CAS number	Packaging	Price	Updated	Buy
Sigma-Aldrich	545481	(1R,2S)-1-Phenyl-2-(1-pyrrolidinyl)-1-propanol 98%	127641-25-2	1g	$54	2023-06-20	Buy
TCI Chemical	P1374	(1R,2S)-1-Phenyl-2-(1-pyrrolidinyl)propan-1-ol >98.0%(GC)	127641-25-2	1g	$78	2021-12-16	Buy
TCI Chemical	P1374	(1R,2S)-1-Phenyl-2-(1-pyrrolidinyl)propan-1-ol >98.0%(GC)	127641-25-2	5g	$193	2024-03-01	Buy
Usbiological	288374	(1R,2S)-1-Phenyl-2-(1-pyrrolidinyl)propan-1-ol Asreported	127641-25-2	1g	$310	2026-06-03	Buy
Usbiological	288374	(1R,2S)-1-Phenyl-2-(1-pyrrolidinyl)propan-1-ol Asreported	127641-25-2	2g	$428	2026-06-03	Buy

Product number	Packaging	Price	Buy
545481	1g	$54	Buy
P1374	1g	$78	Buy
P1374	5g	$193	Buy
288374	1g	$310	Buy
288374	2g	$428	Buy

(1S,2R)-N-TOSYLEPHEDRINE Chemical Properties, Uses, Production

Uses

(1R,2S)-2-Pyrrolidino-1-phenyl-1-propanol, is a chiral building block used in asymmetric synthesis. It is also used as a novel heterodimer chiral amide base for enantioselective deprotonation of ketones.

(1S,2R)-N-TOSYLEPHEDRINE Preparation Products And Raw materials

Raw materials

Preparation Products

(1S,2R)-N-TOSYLEPHEDRINE Suppliers

Global Suppliers ( 166)

Supplier	Tel	Email	Country	ProdList	Advantage
Wuxi Hailun Bio-Technology Co., Ltd.	0510-85629785 18051595327;	sales@hlsw-bio.com	China	101	58
Shouguang Jiasheng Chemical Co., Ltd.	0536-7971999 13583611556	sgjiasheng@hotmail.com	China	300	58
J & K SCIENTIFIC LTD.	18210857532 18210857532	jkinfo@jkchemical.com	China	96815	76
Meryer (Shanghai) Chemical Technology Co., Ltd.	4006356688 18621169109	market03@meryer.com	China	40202	62
TCI (Shanghai) Development Co., Ltd.	021-67121386	Sales-CN@TCIchemicals.com	China	24512	81
Ark Pharm, Inc.	847-367-3680	sales@arkpharminc.com	United States	1669	56
Energy Chemical	400-0056266	sales8178@energy-chemical.com	China	44850	61
Adamas Reagent, Ltd.	400-6009262 15618770481	yhx@titansci.com	China	14098	59
Shanghai Longsheng chemical Co.,Ltd.	58099637 13585536065	sales@shlschem.com	China	9880	59
Nanjing Chemlin Chemical Co., Ltd	025-83697070 13770331960	info@chemlin.com.cn	China	16305	64

Supplier	Advantage
Wuxi Hailun Bio-Technology Co., Ltd.	58
Shouguang Jiasheng Chemical Co., Ltd.	58
J & K SCIENTIFIC LTD.	76
Meryer (Shanghai) Chemical Technology Co., Ltd.	62
TCI (Shanghai) Development Co., Ltd.	81
Ark Pharm, Inc.	56
Energy Chemical	61
Adamas Reagent, Ltd.	59
Shanghai Longsheng chemical Co.,Ltd.	59
Nanjing Chemlin Chemical Co., Ltd	64

View Latest Price from (1S,2R)-N-TOSYLEPHEDRINE manufacturers

Update time	Product	Price	Min. Order	Purity	Supply Ability	Manufacturer
2026-03-20	(1S,2R)-N-TOSYLEPHEDRINE 127641-25-2	$10.00	1KG	99%	5tons	Hebei Chuanghai Biotechnology Co., Ltd
2024-04-28	(1R,2S)-1-Phenyl-2-(1-pyrrolidinyl)-1-propanol 127641-25-2	$5.00	1kg	99.92%	50000tons	Ouhuang Engineering Materials (Hubei) Co., Ltd
2019-12-27	(1S,2R)-N-TOSYLEPHEDRINE 127641-25-2	$1.00	1KG	99%	200kg	Career Henan Chemical Co

(1S,2R)-N-TOSYLEPHEDRINE
127641-25-2
$10.00
99%
Hebei Chuanghai Biotechnology Co., Ltd

(1R,2S)-1-Phenyl-2-(1-pyrrolidinyl)-1-propanol
127641-25-2
$5.00
99.92%
Ouhuang Engineering Materials (Hubei) Co., Ltd

(1S,2R)-N-TOSYLEPHEDRINE
127641-25-2
$1.00
99%
Career Henan Chemical Co

(1S,2R)-N-TOSYLEPHEDRINE Spectrum

(1S,2R)-N-TOSYLEPHEDRINE(127641-25-2)¹HNMR (1S,2R)-N-TOSYLEPHEDRINE(127641-25-2)IR

127641-25-2 ((1S,2R)-N-TOSYLEPHEDRINE) Related Search:

(S)-2-(2-Amino-5-chlorophenyl)-4-cyclopropyl-1,1,1-trifluorobut-3-yn-2-ol (1S,2R)-1-Phenyl-2-(1-pyrrolidinyl)propan-1-ol Enantiomer Efavirenz (S)-5-chloro-a-(Cyclopropylacetenyl)-2-[((4-methoxyphenyl)methyl)amino]-a- (trifluoromethyl) benzenemethanol (E-4) [4-Chloro-2-[(1S)-3-cyclopropyl-1-hydroxy-1-(trifluoromethyl)-2-propynyl)phenyl]carbamic Acid Methyl Ester

Efavirenz AMino Alcohol Ethyl CarbaMate Efavirenz Related Compound C (20 mg) (6-chloro-2-cyclopropyl-4-(trifluoromethyl)quinoline) EmedastineN-Oxide Benzo[b]thiophene-2-Methanol, α-(5-broMo-2-fluorophenyl)- Efavirenz Related Compound B (15 mg) ((S,E)-6-Chloro-4-(2-Cyclopropylvinyl)-4-(trifluoromethyl)-2H-3,1-benzoxazin-2-one)

rac N-[4-Chloro-2-[3-cyclopropyl-1-hydroxy-1-(trifluoromethyl)\n-2-propynyl]phenyl]-4-methoxybenzamide Efavirenz 13C6 Efavirenz PUGODPXGSGWWOT-ZDUSSCGKSA-N Efavirenz IP Impurity A

6-chloro-4-pent-1-ynyl-4-(trifluoromethyl)-1H-3,1-benzoxazin-2-one (1S,2R)-N-TOSYLEPHEDRINE (-)-N-Methylephedrine

1of4

(1S,2R)-N-TOSYLEPHEDRINE (1R,2S)-N,N-TETRAMETHYLENENOREPHEDRINE (1R,2S)-1-PHENYL-2-(1-PYRROLIDINYL)PROPAN-1-OL (R-(R*,S*))-BETA-METHYL-ALPHA-PHENYL-1-P (1R,2S)-2-Pyrrolidino-1-phenyl-1-propanol 1-Pyrrolidineethanol, b-Methyl-a-phenyl-, (aR,bS)- (1R,2S)-1-PHENYL-2-(1-PYRROLIDINYL)-1-PROPANOL 98% (1R,2S)-1-Phenyl-2-(1-pyrrolidinyl)propan-1-ol> 1-Pyrrolidineethanol, β-methyl-α-phenyl-, (αR,βS)- Efavirenz Impurity 29 Pyrrolidine impurity 4 (1R,2S)-1-Phenyl-2-(1-Pyrrolidinyl)-1-Propanol (critical intermediate for Efavirenz) (1R,2S)-Pyrrolidinyl norephedrine NP1N (1R,2S)-1-Phenyl-2-(1-pyrrolidinyl)-1-propanol (1R,2S)-1-PHENYL-2-(1-PYRROLIDINYL)-1-PROPANOL (1R,2S)-1-Phenyl-2-pyrrolidin-1-yl-propan-1-ol 127641-25-2 Pyrrolidines Heterocyclic Building Blocks Asymmetric Synthesis Chiral Building Blocks Asymmetric Synthesis Synthetic Organic Chemistry Chiral Building Blocks Heterocyclic Building Blocks Pyrrolidines 127641-25-2