Pharmaceutical Intermediates - suppliers, manufacturers, exporters


1-Methyl-3-phenylpiperazine 98.062%

1-Methyl-3-phenylpiperazine    CAS:5271-27-2

10-Gingerol LAB GRADE 98%min by HPLC

Phytochemicals for research only;
For larger quantities or technical support, please contact us by email or by phone: +86-28-85159085

2,3-cichloropyridine Technical 96%

2,3-dichloropyridine CAS 2402-77-9 (D3 for short)

Appearance: white solid

Content: 95-96%

Packing:kraft paper bag

Usage: pharmaceutical and pesticide intermediates 

5-ChloroValeric acid Technical 98.5%

We are one of World leading manufacturer with ISO Cert. of 5-Chlorovaleric acid.


Appearance:clear colorless liquid                                                    

CAS No: 1119-46-6 

Assay: 99% min.


Molecular weight:136.58

Synonmys: 5-CVA, 5-Chloropentanoic acid


Transport info:UN 3265 HAZARD CLASS 8 Packing Group: II

Storage: Room temperature, tight from air 


Packaging: 200kg/plastic drum or on request        

Application:intermediate for pharmaceuticals and pesticides                

Melting point: 18?

Boiling point: 136?/14mmHg                               

Amino-PEG4-t-butyl ester Purified 97

Catalog No. P140104
Product Name Amino-PEG4-t-butyl ester
Synonyms H2N-PEG4-CH2CH2COOtBu
CAS# 581065-95-4
M.F. C15H31NO6
M.W. 321.41
Purity >98%
Packing Size 250mg,1g,5g,25g,100g,1kg
Appearance Liquid


LEO BIOCHEM can also provide: 
Amino-PEG2-t-butyl ester 756525-95-8
Amino-PEG3-t-butyl ester 252881-74-6
Amino-PEG4-t-butyl ester 581065-95-4
Amino-PEG5-t-butyl ester 1446282-18-3
Amino-PEG6-t-butyl ester 1286281-32-0
Amino-PEG8-t-butyl ester 756526-06-4
Amino-PEG10-t-butyl ester 1818294-42-6
Amino-PEG12-t-butyl ester 872340-65-3
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