CAS 144-68-3 Molecular formula C40H56O2 Molecular weight 568.88 Specification5%-50% Function and Usage Zeaxanthin is one of the major components of the macular pigment. The macula is packed with color-sensitive photoreceptor cells and is responsible for sharp vision. Zeaxanthin is rich in corn. Zeaxanthin is found in the macula of the...

Synonyms:  5-Hydroxy-2-hydroxymethyl-4-pyrone; 5-Hydroxy-2-(hydroxymethyl)-4H-pyran-4-one   Molecular Formula:  C6H6O4 Molecular Weight:  142.11 CAS Registry Number:  501-30-4 Appearance:Kind of white needle crystal or powder Melting point:152 ~ 156℃ Assay:NLT 99.0% Loss on drying:NMT 0.5% Heavy metal...

Molecular formula C18H37NO2 Molecular weight 299.49 CAS number 123-78-4 Structure Appearance Milky uniform emulsion, water soluble Assay NLT 10.0% pH 5.5 ~ 7.0 Liposome form mainly appears circular granular of multilayer structure (in the electron microscope) Liposome particle size 90%, 0.5-1.0 um Stability Emulsion uniform, no...

Synonyms: 3-(3,4-Dihydroxyphenyl)-L-alanine; L-3-(3,4-Dihydroxyphenyl)alanine; L-DOPA  Molecular Formula: C9H11NO4 Molecular Weight: 197.19 CAS Registry Number: 59-92-7 Function: L-DOPA crosses the protective blood-brain barrier, whereas dopamine itself cannot. Thus, L-DOPA is used to increase dopamine concentrations in the treatment of...

Synonyms: R-(-)-Deprenyl hydrochloride; (R)-(-)-N,alpha-Dimethyl-N-(2-propynyl)phenethylamine hydrochloride   Molecular Formula: C13H17N.HCl Molecular Weight: 223.74 CAS Registry Number: 14611-52-0 Function: Selegiline is a used for the treatment of early-stage Parkinson's disease, depression and senile...

Synonyms:  Cholest-5-en-3beta-ol; 3beta-hydroxycholest-5-ene; 3beta-hydroxy-5-cholestene Molecular Formula:  C27H46O Molecular Weight:  386.66 CAS Registry Number:  57-88-5 Appearance:White, kind of white crystal or crystal powder Melting point:140℃-150℃ Usage:Cholesterol used in the production of vitamin D2 and D3,...

Synonyms:  DHEA; Prasterone; Androstenolone; Dehydroisoandrosterone; trans-Dehydroandrosterone; Hydroxyandrost-5-en-17-one   Molecular Formula:  C19H28O2 Molecular Weight:  288.43 CAS Registry Number:  53-43-0 Appearance: White crystalline powder Assay: NLT 99% Usage and application:Used for health care products,...

Synonyms:  (S-(+)-N,N-Dimethyl-a-[2-(naphthalenyloxy)ethyl]benzenemethanamine hydrochloride   Molecular Formula:  C21H23NO.HCl Molecular Weight:  341.88 CAS Registry Number:  119356-77-3 Melting point:175 ~ 177℃ Appearance:Light yellow powder Usage:As a new fast SSRI, short half-life, belongs to the selective...

Synonyms:  1-Dehydro-17a-methyltestosterone; 17a-methyl-17b-hydroxy-1,4-androstadien-3-one; 17beta-Hydroxy-17-methylandrosta-1,4-dien-3-one    Molecular Formula:  C20H28O2 Molecular Weight:  300.44 CAS Registry Number:  72-63-9 Assay: 99% Appearance:White or kind of white crystal powder Usage and...

Synonyms:  4'-Butoxy-3-piperidinopropiophenone hydrochloride   Molecular Formula:  C18H27NO2.HCl Molecular Weight:  325.87 CAS Registry Number:  536-43-6 Assay: 99% Usage:API, used for local anesthetics,, mucous membrane surface anesthesia and analgesia, skin...