Buy pharmaceutical intermediates principle ingredients in manufacturing medicines


Edoxaban intermediate CAS NO: 1243308-37-3 Purified 99%

Edoxaban intermediate

2-[(5-Chloropyridin-2-yl)amino]-2-oxoacetic acid ethyl ester monohydrochloride

CAS NO: 1243308-37-3 



Mifepristone intermediate CAS NO: 5571-36-8 Purified 99%

Mifepristone intermediate

Estradiene dione-3-keta

CAS NO: 5571-36-8



Sofosbuvir intermediate CAS NO: 874638-80-9 Purified 99%

Sofosbuvir intermediate

(2R)-2-Deoxy-2-fluoro-2-methyl-D-erythropentonic acid gamma-lactone 3,5-dibenzoate

CAS NO: 874638-80-9



Sofosbuvir intermediate CAS NO: 1334513-02-8 Purified 99%

Sofosbuvir intermediate

N-[(S)-(2,3,4,5,6-Pentafluorophenoxy)phenoxyphosphinyl]-L-alanine 1-methylethyl ester

CAS NO: 1334513-02-8



Steroid Powder Let Letrozole Femara CAS: 112809-51-5 USP

Basic Info.
Model NO.:112809-51-5                                                       Name:Letrozole Femara
MF: C17H11N5                                                                       MW: 285.31                                         
Assay:≥99.0%(HPLC)                                                    Export Markets:Global
HS Code:2616900009
Additional Info.
Packing: 25kg/ drum                                                            Origin: China
Standard:FDA, GMP                                                              Melting point: 181℃-183℃                                                           
Appearance: White or light yellow crystal                       
Usage: Used as API in Treatment of breast disease.  
Product Description
Letrozole is approved by the United States Food and Drug Administration (FDA) for the treatment of local or metastatic breast cancer that is hormone receptor positive or has an unknown receptor status in postmenopausal women.
 Letrozole is intended for use only by women who are no longer of childbearing age. Possible candidates must have already ceased to menstruate. It is often used in patients who have already undergone other cancer treatments, such as radiation, chemotherapy, and used other cancer drugs, like tamoxifen. This nonsteroidal aromatase inhibitor may help prevent any remaining cancer cells from spreading.
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bis(2-methoxyethyl) aminosulfur trifluoride LAB GRADE 95%

A fluorinating agent used in the one pot direct synthesis of amides, oxazolines, benzoxazoles, and oxadiazoles from carboxylic acids.

lercanidipine intermediate CAS NO:74936-72-4 Purified 98%

Lercanidipine intermediate


5-(Methoxycarbonyl)-2,6-dimethyl-4-(3-nitrophenyl)-1,4-dihydropyridine-3-carboxylic acid

CAS NO: 74936-72-4



methyl 2-(3-nitrobenzylidene)acetoacetate Purified >98.5%

Product Name: methyl 2-(3-nitrobenzylidene)acetoacetate

Synonyms: butanoic acid, 2-[(3-nitrophenyl)methylene]-3-oxo-, methyl ester; Methyl 2-(3-nitrobenzylidene)-3-oxobutanoate; methyl (2E)-2-[(3-nitrophenyl)methylidene]-3-oxobutanoate

Molecular Formula: C12H11NO5

Molecular Weight: 249.2194

InChI: InChI=1/C12H11NO5/c1-8(14)11(12(15)18-2)7-9-4-3-5-10(6-9)13(16)17/h3-7H,1-2H3/b11-7+

CAS Registry Number: 39562-17-9

EINECS: 405-270-7

Density: 1.296g/cm3

Melting point: 158℃

Boiling point: 387.5°C at 760 mmHg

Refractive index: 1.583

Flash point: 171.8°C

Vapour Pressure: 3.27E-06mmHg at 25°C

n-boc-piperazine cas:57260-71-6 lab grade 99 LAB GRADE 99



MF: C9H18N2O2

MW: 186.25


BP: 98-100

MP: 43-47 °C(lit.)

Flash point:  >230 °F

HS: 29335995

Storage condition: Refrigerator

Appearance:white powder

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