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Merck
CN

1379254

USP

Melengestrol acetate

United States Pharmacopeia (USP) Reference Standard

Synonym(s):

17α-Acetoxy-6-methyl-16-methylene-4,6-pregnadiene-3,20-dione, MGA

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About This Item

Empirical Formula (Hill Notation):
C25H32O4
CAS Number:
2919-66-6
Molecular Weight:
396.52
UNSPSC Code:
41116107
NACRES:
NA.24
PubChem Substance ID:
329750342
MDL number:
MFCD00072142
Beilstein/REAXYS Number:
2066919

Key Documents

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Product Name

Melengestrol acetate, United States Pharmacopeia (USP) Reference Standard

InChI key

UDKABVSQKJNZBH-DWNQPYOZSA-N

SMILES string

[H][C@]12CC[C@@]3(C)[C@@]([H])(CC(=C)[C@]3(OC(C)=O)C(C)=O)[C@]1([H])C=C(C)C4=CC(=O)CC[C@]24C

InChI

1S/C25H32O4/c1-14-11-19-20(23(5)9-7-18(28)13-21(14)23)8-10-24(6)22(19)12-15(2)25(24,16(3)26)29-17(4)27/h11,13,19-20,22H,2,7-10,12H2,1,3-6H3/t19-,20+,22+,23-,24+,25+/m1/s1

grade

pharmaceutical primary standard

API family

melengestrol

manufacturer/tradename

USP

mp

202-204 °C (lit.)

application(s)

pharmaceutical (small molecule)

format

neat

storage temp.

−20°C

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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

Melengestrol acetate USP reference standard, intended for use in specified quality tests and assays as specified in the USP compendia.

General description

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

Warning

hcodes

H361fd

Hazard Classifications

Repr. 2

Storage Class

11 - Combustible Solids

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

Regulatory Information

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