CompoundList
Sign in
Acid, base and phase-transfer catalysts

Physostigmine methiodide

Also known as Pyrrolo(2,3-b)indolium, 1,2,3,3a,8,8a-hexahydro-1,1,3a,8(or 1,3a,8,8)-tetramethyl-5-(((methylamino)carbonyl)oxy)-, iodide, (3aS-cis)-, [(3aR,8bS)-3,4,4,8b-tetramethyl-2,3a-dihydro-1H-pyrrolo[2,3-b]indol-4-ium-7-yl] N-methylcarbamate, iodide, Physostigmine, methiodide

CAS 6091-11-8Formula C16H24IN3O2Molar mass 417.29 g/mol
Get quotes Safety data
Physostigmine methiodide chemical structure, C16H24IN3O2, CAS 6091-11-8
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
6091-11-8
Formula
C16H24IN3O2
Molar mass
417.29 g/mol
HS code
293399
Category
Acid, base and phase-transfer catalysts

What is Physostigmine methiodide?

Plain description, key identifiers and synonyms

Physostigmine methiodide is a chemical substance with the molecular formula C16H24IN3O2 and a molar mass of 417.29 g/mol. Its CAS registry number is 6091-11-8. The IUPAC name is [(3aR,8bS)-3,4,4,8b-tetramethyl-2,3a-dihydro-1H-pyrrolo[2,3-b]indol-4-ium-7-yl] N-methylcarbamate iodide.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
[(3aR,8bS)-3,4,4,8b-tetramethyl-2,3a-dihydro-1H-pyrrolo[2,3-b]indol-4-ium-7-yl] N-methylcarbamate iodide
CAS number
6091-11-8 CAS number cross-checked
Molecular formula
C16H24IN3O2
InChIKey
SLSBBKOEHGUBBZ-XMZRARIVSA-N
InChI
InChI=1S/C16H23N3O2.HI/c1-16-8-9-18(3)14(16)19(4,5)13-7-6-11(10-12(13)16)21-15(20)17-2;/h6-7,10,14H,8-9H2,1-5H3;1H/t14-,16+;/m1./s1
Canonical SMILES
CNC(=O)Oc1ccc2c(c1)C1(C)CCN(C)C1[N+]2(C)C.[I-]
Isomeric SMILES
C[C@@]12CCN([C@@H]1[N+](C3=C2C=C(C=C3)OC(=O)NC)(C)C)C.[I-]

Synonyms

  • Pyrrolo(2,3-b)indolium, 1,2,3,3a,8,8a-hexahydro-1,1,3a,8(or 1,3a,8,8)-tetramethyl-5-(((methylamino)carbonyl)oxy)-, iodide, (3aS-cis)-
  • [(3aR,8bS)-3,4,4,8b-tetramethyl-2,3a-dihydro-1H-pyrrolo[2,3-b]indol-4-ium-7-yl] N-methylcarbamate, iodide
  • Physostigmine, methiodide

Physical and chemical properties

Measured values and descriptors computed from the structure

Physical and chemical properties

Measured values, check the supplier specification for your grade

No measured properties are recorded for this substance yet. Ask suppliers for a technical data sheet.

Values vary by grade. Ask suppliers for the COA or TDS of the batch you buy.

Computed descriptors

Calculated from the structure, useful for screening and formulation

Molecular weight
417.29 g/molcalc.
Exact mass
417.0913 Dacalc.
LogP (octanol/water)
-1.09calc.
Topological polar surface area
41.57 Ųcalc.
Hydrogen bond donors
1calc.
Hydrogen bond acceptors
3calc.
Rotatable bonds
1calc.
Heavy atoms
22calc.
Rings
3calc.
Aromatic rings
1calc.
Fraction sp3 carbons
0.56calc.
Formal charge
0calc.
Stereocentres
2calc.
Components
2calc.
Lipinski rule of five
Passes (0 violations)calc.

Calculated for screening. Confirm critical figures with the supplier.

Murcko scaffold

The ring system that remains when every side chain is removed

Murcko scaffold of this chemical, c1ccc2c(c1)NC1NCCC21

c1ccc2c(c1)NC1NCCC21

3 rings, 12 atoms.

69 other chemicals share this scaffold

Safety and hazards

GHS classification summary, not a safety data sheet

No GHS hazard classification is recorded for this substance yet. That does not mean it is harmless.

GHS classification summary, not a safety data sheet (SDS). Classifications can differ by supplier, grade and concentration. Always check the supplier's SDS.

Physostigmine methiodide suppliers

Sponsored listings first, then the documented ranking: membership, verification, replies, completeness, freshness and ratings

No supplier listings yet

Post one free request and suppliers who make or trade Physostigmine methiodide can send you quotes. Your contact details stay private until you accept a quote.

Request quotesSell this chemical

Physostigmine methiodide price

Indicative price range per kg from live supplier offers

No published prices right now

Suppliers quote this chemical on request. Send one free request and compare quotes side by side.

Get latest price

Uses and applications

What the substance is used for, by industry and function

Applications are not documented for this substance yet. Suppliers often describe uses on their product pages, linked in the suppliers list above.

Regulatory status

Inventories, regulations and trade controls that list this substance

No regulatory list memberships are recorded for this substance yet. Always check the rules of the importing and exporting country before trade.

HS code and trade data

Customs classification and reported world trade statistics

Global trade

World import and export statistics for the HS code Physostigmine methiodide is traded under.

HS 2933.99Indicative HS code

Heterocyclic compounds with nitrogen hetero-atom(s) only, other

World exports in 2024
$12.1B
−31.0% vs 2023, imports $28.8B
2019 to 2024
Top exporters
  1. China30.5%
  2. India * partner reported16.3%
  3. Ireland9.0%
Top importers
  1. Slovenia31.7%
  2. Italy24.2%
  3. United States5.0%

* Partner reported figures, a lower bound.

Reported customs values in USD, not prices.Full trade data

The HS code shown for Physostigmine methiodide is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about Physostigmine methiodide, based on the data on this page

What is Physostigmine methiodide?

Physostigmine methiodide is a chemical substance with the molecular formula C16H24IN3O2 and a molar mass of 417.29 g/mol. Its CAS registry number is 6091-11-8. The IUPAC name is [(3aR,8bS)-3,4,4,8b-tetramethyl-2,3a-dihydro-1H-pyrrolo[2,3-b]indol-4-ium-7-yl] N-methylcarbamate iodide.

What is the CAS number of Physostigmine methiodide?

The CAS registry number of Physostigmine methiodide is 6091-11-8.

What is the molecular formula and weight of Physostigmine methiodide?

The molecular formula of Physostigmine methiodide is C16H24IN3O2 and its molar mass is 417.29 g/mol.

Is Physostigmine methiodide hazardous?

No GHS hazard classification for Physostigmine methiodide is recorded on CompoundList yet. That does not prove it is safe. Always read the supplier safety data sheet.

What is the HS code of Physostigmine methiodide?

Physostigmine methiodide is usually classified under HS code 293399 (Heterocyclic compounds with nitrogen hetero-atom(s) only, other). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Physostigmine methiodide?

Post a free request on CompoundList and suppliers of Physostigmine methiodide will send you quotes. Your contact details stay private until you accept a quote.

What is the price of Physostigmine methiodide?

Suppliers quote Physostigmine methiodide on request because prices depend on grade, purity, quantity and destination. A free request on CompoundList gets you several quotes to compare.

Guides for buyers

Practical guides that help when you source, ship or handle Physostigmine methiodide

Get quotes for Physostigmine methiodide

Post one free request with your grade, quantity and destination. Matching suppliers send quotes you can compare side by side.
Post a request Sell Physostigmine methiodide
Data last updated 7 Oct 2026. Details may have changed, please confirm them with the supplier. Report an error on this page
Embed this structure on your websiteShow code

Paste this code into your page to show the 2D structure of Physostigmine methiodide with a 3D view, its CAS number where known and a link back to this page. Free to use with the link kept.

<iframe src="https://www.compoundlist.com/embed/structure/physostigmine-methiodide-6091-11-8" title="Physostigmine methiodide structure on CompoundList" width="360" height="420" style="border:1px solid #E7E2DA;border-radius:12px;max-width:100%" loading="lazy" referrerpolicy="strict-origin-when-cross-origin"></iframe>
Preview the embed

Explore more in Acid, base and phase-transfer catalysts or HS code 293399

Price on request
Free quotes, contact stays private
Get quotes