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Key Documents

B7005

Sigma-Aldrich

Betamethasone

≥98%

Synonym(s):

9α-Fluoro-11β,17α,21-trihydroxy-16β-methylpregna-1,4-diene-3,20-dione, 9α-Fluoro-16β-methyl-11β,17α,21-trihydroxy-1,4-pregnadiene-3,20-dione, 9α-Fluoro-16β-methylprednisolone

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About This Item

Empirical Formula (Hill Notation):
C22H29FO5
CAS Number:
Molecular Weight:
392.46
EC Number:
MDL number:
UNSPSC Code:
51111800
PubChem Substance ID:
NACRES:
NA.77

biological source

synthetic (organic)

Quality Level

sterility

non-sterile

Assay

≥98%

form

powder

mp

235-237 °C (lit.)

solubility

water: 0.063 g/L at 37 °C

shipped in

ambient

storage temp.

room temp

SMILES string

[H][C@@]12C[C@H](C)[C@](O)(C(=O)CO)[C@@]1(C)C[C@H](O)[C@@]3(F)[C@@]2([H])CCC4=CC(=O)C=C[C@]34C

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-/m0/s1

InChI key

UREBDLICKHMUKA-DVTGEIKXSA-N

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Application

Betamethasone has been used as a corticosteroid (CORT) standard.

Biochem/physiol Actions

Betamethasone, an isomer of dexamethasone is also termed as 9α-fluoro-16β-methyl-11 β,17,21-trihydroxypregna-1,4-dien-3,20-dione or 9α-fluoro-16β-methylprednisolone (27.1.52). It can be used as an anti-itch agent and treating dermatitis and eczema.

Pictograms

Health hazard

Signal Word

Danger

Hazard Statements

Hazard Classifications

Repr. 1B - STOT RE 2

Target Organs

Liver,Kidney,Endocrine system

Storage Class Code

6.1C - Combustible acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects

WGK

WGK 2

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Corticosteroids
Synthesis of Essential Drugs, 349-363 (2006)
Ceá C Tillis et al.
American journal of physiology. Lung cellular and molecular physiology, 300(6), L940-L950 (2011-03-15)
Adequate expression of surfactant protein-B (SP-B) is critical in the function of pulmonary surfactant to reduce alveolar surface tension. Expression of SP-B mRNA is restricted to specific lung-airway epithelial cells, and human SP-B mRNA stability is increased in the presence
A versatile liquid chromatography-tandem mass spectrometry system for the analysis of different groups of veterinary drugs.
Munoz, P. et al.
Analytica Chimica Acta, 529(1), 137-144 (2005)
Elizabeth V Asztalos et al.
JAMA pediatrics, 167(12), 1102-1110 (2013-10-16)
A single course of antenatal corticosteroid therapy is recommended for pregnant women at risk of preterm birth between 24 and 33 weeks' gestational age. However, 50% of women remain pregnant 7 to 14 days later, leading to the question of
Amelia Ruffatti et al.
Autoimmunity reviews, 12(7), 768-773 (2013-01-24)
The aim of this report was to evaluate the efficacy and safety of a combined treatment protocol used to treat 2nd and 3rd degree anti-Ro/La-related congenital atrioventricular block (CAVB). Six consecutive women diagnosed with 2nd degree (three cases) or 3rd

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