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Neostigmine Methylsulfate

Also known as: Prostigmin, Normastigmin, Neostigmine methyl sulfate, 3-[(Dimethylcarbamoyl)oxy]-N,N,N-trimethylanilinium methyl sulfate, (3-Dimethylcarbamoyloxyphenyl)trimethylammonium methyl sulfate, Stiglyn, Neostygmine methyl sulfate, 3-((Dimethylcarbamoyl)oxy)-N,N,N-trimethylbenzenaminium methyl sulfate, 3-(N,N-Dimethylcarbamoyloxy)-N,N,N-trimethylanilinium methyl sulfate, MFCD00011796

Neostigmine Methylsulfate (CAS 51-60-5) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C13H22N2O6S and a molecular weight of 334.389 g/mol. Key properties include a melting point of 175-177 °C(lit.) and a boiling point of 457ºC. It is classified under GHS with signal word Danger and hazard statements H300, H315 — Causes skin irritation and H319 — Causes serious eye irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
51-60-5
Jingsj CID
J-37918-0
Molecular Formula
C13H22N2O6S
Molecular Weight
334.389 g/mol
Category
Organic Acids
Last updated
8/21/2026
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Physicochemical Properties

Melting Point175-177 °C(lit.)
Boiling Point457ºC
Exact Mass334.119843
PSA104.35000
LogP2.11750
Additional Property1g/10mL

GHS Safety & Compliance

Acute Toxicity / Health HazardSignal word: Danger
  • H300
  • H315 — Causes skin irritation
  • H319 — Causes serious eye irritation
  • H334 — May cause allergy or asthma symptoms if inhaled
  • H335 — May cause respiratory irritation

Customs & Trade Information

HS Code2924299090
Summary2924299090. other cyclic amides (including cyclic carbamates) and their derivatives; salts thereof. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0%

Frequently Asked Questions

What is the CAS number of Neostigmine Methylsulfate?

The CAS number of Neostigmine Methylsulfate is 51-60-5.

What are the molecular formula and molecular weight of Neostigmine Methylsulfate?

Neostigmine Methylsulfate has molecular formula C13H22N2O6S and molecular weight 334.389 g/mol.

Is Neostigmine Methylsulfate hazardous?

Neostigmine Methylsulfate has GHS signal word Danger and hazard statements H300; H315 — Causes skin irritation; H319 — Causes serious eye irritation.

What are the upstream and downstream products of Neostigmine Methylsulfate?

For Neostigmine Methylsulfate, Upstream Products: 3-(Dimethylamino)phenyl dimethylcarbamate, Dimethyl sulfate, 3-(Dimethylamino)phenol.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "Neostigmine Methylsulfate (CAS 51-60-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-37918-0 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.