1.  Quick Detail:

Product Name: S-budesonide

Synonyms: Budesonide; (4aR,4bS,5S,6aS,6bS,8R,9aR,10aS,10bS)-5-hydroxy-6b-(hydroxyacetyl)-4a,6a-dimethyl-8-propyl-4a,4b,5,6,6a,6b,9a,10,10a,10b,11,12-dodecahydro-2H-naphtho[2',1':4,5]indeno[1,2-d][1,3]dioxol-2-one; (4aR,4bS,5S,6aS,6bS,9aR,10aS,10bS)-5-hydroxy-6b-(hydroxyacetyl)-4a,6a-dimethyl-8-propyl-4a,4b,5,6,6a,6b,9a,10,10a,10b,11,12-dodecahydro-2H-naphtho[2',1':4,5]indeno[1,2-d][1,3]dioxol-2-one

CAS: 51333-22-3

EINECS: 257-139-7

MF: C25H34O6

MW: 430.5339

Assay: 98%

Appearance: White powder

Density 1.27g/cm3

Boiling point 599.7°C at 760 mmHg

Refractive index 1.592

Flash point 201.8°C

Vapour Pressur 6.94E-17mmHg at 25°C

2.  Descriptions:

Budesonide is a glucocorticoid steroid used in inhaled formulations for the treatment of asthma, COPD and non-infectious rhinitis (including hay fever and other allergies), and for treatment and prevention of nasal polyposis. It is also used in a delayed-release oral formulations for inflammatory bowel disease including Crohn's disease and ulcerative colitis.

It is on the World Health Organization's List of Essential Medicines, a list of the most important medication needed in a basic health system.