Neostigmine methyl sulfate

European Pharmacopoeia (EP) Reference Standard

3-(N,N-Dimethylcarbamoyloxy)-N,N,N,-trimethylanilinium methyl sulfate
Empirical Formula (Hill Notation):
CAS Number:
Molecular Weight:
MDL number:
PubChem Substance ID:


pharmaceutical primary standard





Featured Industry

Pharmaceutical (small molecule)



SMILES string




InChI key


Gene Information

human ... ACHE(43)

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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.

Biochem/physiol Actions

Reversible inhibitor of acetylcholinesterase that is similar to eserine, but does not cross the blood-brain barrier.


Unit quantity: 50 mg. Subject to change. The product is delivered as supplied by the issuing Pharmacopoeia. For the current unit quantity, please visit the EDQM reference subtance catalogue.


Other Notes

Sales restrictions may apply.


Skull and crossbonesHealth hazard

Signal Word


Target Organs

Respiratory system


UN 2811 6.1 / PGII

WGK Germany


Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Certificate of Analysis
Certificate of Origin
G V Cammu et al.
Anaesthesia and intensive care, 40(6), 999-1006 (2012-12-01)
Six years ago, a study performed in our department reported that the incidence of postoperative residual curarisation (PORC) was 39%. The reassessment of neuromuscular monitoring and reversal of neuromuscular block in routine anaesthetic practice is relevant now that sugammadex has...
Tetsufumi Sato et al.
Masui. The Japanese journal of anesthesiology, 62(1), 19-26 (2013-02-26)
Anticholinesterase, such as neostigmine, was used to be a standard drug at the end of surgery for reversal of nondepolarizing neuromuscular block. Neostigmine decreases the metabolism of acetylcholine (ACh) at the neuromuscular junction and allows its concentration to increase and...
M O Akinwale et al.
African journal of medicine and medical sciences, 41(2), 231-237 (2012-11-29)
The spinal route of analgesia has consolidated its place as a major modality in the management of both acute and chronic pain. The search for ideal additives to local anaesthetic agents to prolong the analgesic effects poses a challenge to...
Comparing sugammadex and neostigmine reversal of neuromuscular blockade in laparoscopic surgery.
D Jain et al.
Anaesthesia, 68(3), 306-307 (2013-02-07)
Jakub Fichna et al.
Pharmacological reports : PR, 64(5), 1146-1154 (2012-12-15)
Animal models of visceral pain have gained much attention as an important tool to elucidate the possible mechanisms underlying functional gastrointestinal (GI) disorders. Here we report the development of a new, minimally invasive behavioral model of abdominal pain induced by...

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