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M2776

Sigma-Aldrich

Methylergonovine maleate salt

≥98% (TLC)

Synonym(s):

9,10-Didehydro-N-[(S)-1-(hydroxymethyl)propyl]-6-methylergoline-8β-carboxamide maleate salt, Methergine maleate salt

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About This Item

Empirical Formula (Hill Notation):
C20H25N3O2 · C4H4O4
CAS Number:
57432-61-8
Molecular Weight:
455.50
EC Number:
260-734-4
MDL number:
MFCD00078588
UNSPSC Code:
12352200
PubChem Substance ID:
24278543

Assay

≥98% (TLC)

color

white

solubility

H2O: 25 mg/mL
0.1 M HCl: soluble
ethanol: slightly soluble

SMILES string

[H]\C(=C(/[H])C(O)=O)C(O)=O.[H][C@@]12Cc3c[nH]c4cccc(C1=C[C@H](CN2C)C(=O)N[C@@H](CC)CO)c34

InChI

1S/C20H25N3O2.C4H4O4/c1-3-14(11-24)22-20(25)13-7-16-15-5-4-6-17-19(15)12(9-21-17)8-18(16)23(2)10-13;5-3(6)1-2-4(7)8/h4-7,9,13-14,18,21,24H,3,8,10-11H2,1-2H3,(H,22,25);1-2H,(H,5,6)(H,7,8)/b;2-1-/t13-,14+,18-;/m1./s1

InChI key

NOFOWWRHEPHDCY-DAUURJMHSA-N

Gene Information

human ... DRD1(1812) , DRD2(1813) , DRD3(1814) , DRD4(1815) , DRD5(1816)

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Biochem/physiol Actions

Ergot alkaloid which interacts with serotonergic, dopaminergic and α-adrenergic systems. Dopamine antagonist.

Pictograms

Skull and crossbonesHealth hazard
GHS06,GHS08

Signal Word

Danger

Hazard Statements

H301 + H311 + H331,H361

Hazard Classifications

Acute Tox. 3 Dermal - Acute Tox. 3 Inhalation - Acute Tox. 3 Oral - Repr. 2

Storage Class Code

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

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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R Sullivan et al.
Clinical toxicology (Philadelphia, Pa.), 51(1), 47-49 (2012-12-05)
We report a case of a female neonate who developed respiratory depression following the unintentional administration of methylergonovine. The respiratory depression appeared to improve after the administration of bag mask ventilation, stimulation, and naloxone; and the baby was able to
K Fujii et al.
International journal of obstetric anesthesia, 20(1), 76-79 (2010-11-16)
The symptoms of myotonia can worsen during pregnancy and tocolysis with ritodrine has been associated with rhabdomyolysis. We describe a patient with myotonia who developed hypertonus immediately following the administration of uterotonic agents. A 24-year-old, G2P1 at 31 weeks of
Sudden death caused by atypical variant angina.
Franck Laporte et al.
Archives of cardiovascular diseases, 104(8-9), 480-481 (2011-09-29)
Pavol Zubor et al.
Archives of gynecology and obstetrics, 282(3), 261-267 (2009-09-18)
Ultrasonographic evaluation of the postpartum uterus to prevent retained placental tissue complications is still a matter of debate, and it is difficult to interpret its necessity on the basis of previous studies. We hypothesized that the application of uterotonics on
Parveen Reshi et al.
Archives of gynecology and obstetrics, 281(5), 781-792 (2009-12-26)
Management of infection with human immunodeficiency virus (HIV) dramatically improved during the 1990s. The advent of high-performance quantitative HIV assays and highly active anti-retroviral therapy (HAART) were the two most important developments in HIV medicine. As a result, HIV mortality
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