Betamethasone

The Betamethasone is an organic compound with the formula C₂₂H₂₉FO₅. The IUPAC name of this chemical is (8S,9R,10S,11S,13S,14S,16S,17R)-9-fluoro-11,17-dihydroxy-17-(2-hydroxyacetyl)-10,13,16-trimethyl-6,7,8,11,12,14,15,16-octahydrocyclopenta[a]phenanthren-3-one. With the CAS registry number 378-44-9, it is also named as (11β,16α)-9-Fluor-11,17,21-trihydroxy-16-methylpregna-1,4-dien-3,20-dion. The product's categories are Biochemistry; Hydroxyketosteroids; Steroids; Intermediates & Fine Chemicals; Pharmaceuticals. Besides, it is a white to off-white solid.

The Betamethasone is a corticosteroid used as a topical cream to relieve skin irritation, such as itching and flaking from eczema. Betamethasone dipropionate and salicylic acid can be used as a treatment for local psoriasis. Betamethasone is also used to stimulate fetal lung maturation (prevention of IRDS), and to decrease the incidence and mortality from intracranial hemorrhage in premature infants.

Physical properties about Betamethasone are: (1)ACD/LogP: 1.87; (2)ACD/LogD (pH 5.5): 1.87; (3)ACD/LogD (pH 7.4): 1.87; (4)ACD/BCF (pH 5.5): 15.49; (5)ACD/BCF (pH 7.4): 15.49; (6)ACD/KOC (pH 5.5): 247.46; (7)ACD/KOC (pH 7.4): 247.45; (8)#H bond acceptors: 5; (9)#H bond donors: 3; (10)#Freely Rotating Bonds: 5; (11)Polar Surface Area: 61.83 Å²; (12)Index of Refraction: 1.591; (13)Molar Refractivity: 100.23 cm³; (14)Molar Volume: 296.2 cm³; (15)Polarizability: 39.73×10^-24cm³; (16)Surface Tension: 56.5 dyne/cm; (17)Density: 1.32 g/cm³; (18)Flash Point: 297.5 °C; (19)Enthalpy of Vaporization: 97.96 kJ/mol; (20)Boiling Point: 568.2 °C at 760 mmHg; (21)Vapour Pressure: 2.81E-15 mmHg at 25°C.

When you are using this chemical, please be cautious about it as the following:
This chemical has limited evidence of a carcinogenic effect. When you are using it, wear suitable protective clothing and do not breathe dust.

You can still convert the following datas into molecular structure:
(1)SMILES: O=C(CO)[C@]3(O)[C@]2(C[C@H](O)[C@]4(F)[C@@]/1(\C(=C/C(=O)\C=C\1)CC[C@H]4[C@@H]2C[C@H]3C)C)C
(2)InChI: InChI=1/C22H29FO5/c1-12-8-16-15-5-4-13-9-14(25)6-7-19(13,2)21(15,23)17(26)10-20(16,3)22(12,28)18(27)11-24/h6-7,9,12,15-17,24,26,28H,4-5,8,10-11H2,1-3H3/t12-,15+,16+,17+,19+,20+,21+,22+/m1/s1
(3)InChIKey: UREBDLICKHMUKA-CXSFZGCWBM
(4)Std. InChI: InChI=1S/C22H29FO5/c1-12-8-16-15-5-4-13-9-14(25)6-7-19(13,2)21(15,23)17(26)10-20(16,3)22(12,28)18(27)11-24/h6-7,9,12,15-17,24,26,28H,4-5,8,10-11H2,1-3H3/t12-,15+,16+,17+,19+,20+,21+,22+/m1/s1
(5)Std. InChIKey: UREBDLICKHMUKA-CXSFZGCWSA-N

The toxicity data is as follows: