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Merck
CN

1176506

USP

Dexamethasone acetate

United States Pharmacopeia (USP) Reference Standard

Synonym(s):

Dexamethasone 21-acetate, 9α-Fluoro-16α-methyl-11β,17α,21-trihydroxy-1,4-pregnadiene-3,20-dione-21-acetate, 9α-Fluoro-16α-methylprednisolone-21-acetate, Prednisolone F acetate

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About This Item

Empirical Formula (Hill Notation):
C24H31FO6
CAS Number:
1177-87-3
Molecular Weight:
434.50
UNSPSC Code:
41116107
NACRES:
NA.24
PubChem Substance ID:
329749549
MDL number:
MFCD00027407
Beilstein/REAXYS Number:
2342608

Key Documents

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Product Name

Dexamethasone acetate, United States Pharmacopeia (USP) Reference Standard

InChI

1S/C24H31FO6/c1-13-9-18-17-6-5-15-10-16(27)7-8-21(15,3)23(17,25)19(28)11-22(18,4)24(13,30)20(29)12-31-14(2)26/h7-8,10,13,17-19,28,30H,5-6,9,11-12H2,1-4H3/t13-,17+,18+,19+,21+,22+,23+,24+/m1/s1

SMILES string

[H][C@@]12CCC3=CC(=O)C=C[C@]3(C)[C@@]1(F)[C@@H](O)C[C@@]4(C)[C@@]2([H])C[C@@H](C)[C@]4(O)C(=O)COC(C)=O

InChI key

AKUJBENLRBOFTD-RPRRAYFGSA-N

biological source

synthetic

grade

pharmaceutical primary standard

agency

USP

vapor pressure

<0.0000001 kPa ( 25 °C)

API family

dexamethasone

form

powder

packaging

pkg of 200 mg

manufacturer/tradename

USP

color

white

mp

460.4-464 °F (238—240°C)

solubility

acetone: freely soluble
dichloromethane: slightly soluble
methanol: freely soluble
water: practically insoluble

application(s)

pharmaceutical (small molecule)

format

neat

storage temp.

2-8°C

Gene Information

human ... NR3C1(2908)

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Analysis Note

These products are for test and assay use only. They are not meant for administration to humans or animals and cannot be used to diagnose, treat, or cure diseases of any kind.  ​

Application

Dexamethasone acetate USP reference standard, intended for use in specified quality tests and assays as specified in the USP compendia. Also, for use with USP monographs such as:
  • Betamethasone Acetate
  • Ciprofloxacin and Dexamethasone Otic Suspension
  • Dexamethasone
  • Dexamethasone Acetate
  • Dexamethasone Acetate Injectable Suspension

General description

Dexamethasone acetate (Decadron-LA) belongs to the class of long-acting glucocorticoids, commonly used as a pharmaceutical ingredient in creams, ointments, microemulsions, lotions, aerosols, etc.
This product is provided as delivered and specified by the issuing Pharmacopoeia. All information provided in support of this product, including SDS and any product information leaflets have been developed and issued under the Authority of the issuing Pharmacopoeia. For further information and support please go to the website of the issuing Pharmacopoeia.

Other Notes

Sales restrictions may apply.

pictograms

Health hazard
GHS08

signalword

Danger

hcodes

H360FD

Hazard Classifications

Repr. 1B

Storage Class

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

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

Regulatory Information

涉药品监管产品
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Dexamethasone Acetate
Pharmacopeia, US
United States Pharmacopeia/National Formulary, 29(5), 1815-1815 (2020)
Textbook of Veterinary Internal Medicine, 1(the), 87-92 (2009)
Determination of dexamethasone acetate in cream by HPLC.
Garcia CV, et al.
Journal of Pharmaceutical and Biomedical Analysis, 31(3), 597-600 (2003)
Development and validation of HPLC method for analysis of dexamethasone acetate in microemulsions.
Urban MCC, et al.
Brazilian Journal of Pharmaceutical Sciences , 45(1), 87-92 (2009)
Dexamethasone
European Pharmacopoeia Commission and European Directorate for the Quality of Medicines & Healthcare
European pharmacopoeia, 10(3), 4961-4963 (2021)
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