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Impurities and reference standards

Myosmine

Also known as 3-(3,4-Dihydro-2H-pyrrol-5-yl)pyridine, 3-(1-Pyrrolin-2-yl)pyridine, 2-(3-Pyridyl)-1-pyrroline

CAS 532-12-7Formula C9H10N2Molar mass 146.19 g/molEC 637-297-7
GHS signal word: Warning. Pictograms: Harmful or irritant 17 suppliers listed
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Myosmine chemical structure, C9H10N2, CAS 532-12-7
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
532-12-7
Formula
C9H10N2
Molar mass
146.19 g/mol
EC number
637-297-7
HS code
293979
Category
Impurities and reference standards

What is Myosmine?

Plain description, key identifiers and synonyms

Myosmine is a member of the class of pyridines that is pyridine substituted by a 3,4-dihydro-2H-pyrrol-5-yl group at position 3. It is an alkaloid found in tobacco plants and exhibits genotoxic effects. It has a role as a mutagen, an EC 1.14.14.14 (aromatase) inhibitor and a plant metabolite. It is a pyrroline and a pyridine alkaloid.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
3-(3,4-dihydro-2H-pyrrol-5-yl)pyridine
CAS number
532-12-7 CAS number cross-checked
EC number
637-297-7
Molecular formula
C9H10N2
UNII
9O0A545W4L
MDL number
MFCD00052019
InChIKey
DPNGWXJMIILTBS-UHFFFAOYSA-N
InChI
InChI=1S/C9H10N2/c1-3-8(7-10-5-1)9-4-2-6-11-9/h1,3,5,7H,2,4,6H2
SMILES (canonical and isomeric)
C1CC(=NC1)C2=CN=CC=C2

Synonyms

  • 3-(3,4-Dihydro-2H-pyrrol-5-yl)pyridine
  • 3-(1-Pyrrolin-2-yl)pyridine
  • 2-(3-Pyridyl)-1-pyrroline
  • Pyridine, 3-(3,4-dihydro-2H-pyrrol-5-yl)-
  • Miosmine
  • Nicotine EP Impurity D
  • 3-(1-Pyrrolin-2-yl)-pyridine
  • 3-(4,5-Dihydro-3H-pyrrol-2-yl)-pyridine
  • 3-(2-Pyrrolin-2-yl)pyridine
  • Pyridine, 3-(1-pyrrolin-2-yl)-
  • 3-(4,5-Dihydro-3H-pyrrol-2-yl)pyridine (Myosmine)
  • Myosmine (Standard)
  • Myosmine, 98%
  • 5-23-06-00466 (Beilstein Handbook Reference)
  • DivK1c_006711
  • US8609708, 79 Myosmine
  • 3-(1-Pyrrolin-2-yl)pyridine, 8CI
  • Nicotine impurity d
  • 3-(3,4-Dihydro-2H-pyrrol-5-yl)-Pyridine
  • 3-(3,4-Dihydro-2H-pyrrol-5-yl)pyridine #
  • 3-(3,4-Dihydro-2H-pyrrol-5-yl)pyridine, 9CI
  • 3-(4,5-Dihydro-3H-pyrrol-2-yl)pyridine
  • Nicotine resinate impurity d
  • Nicotine ditartrate dihydrate impurity d

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
146.19 g/molcalc.
Exact mass
146.0844 Dacalc.
LogP (octanol/water)
1.66calc.
Topological polar surface area
25.25 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
2calc.
Rotatable bonds
1calc.
Heavy atoms
11calc.
Rings
2calc.
Aromatic rings
1calc.
Fraction sp3 carbons
0.33calc.
Formal charge
0calc.
Stereocentres
0calc.
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, c1cncc(C2=NCCC2)c1

c1cncc(C2=NCCC2)c1

2 rings, 11 atoms. This chemical is the scaffold itself.

29 other chemicals share this scaffold

Safety and hazards

GHS classification summary, not a safety data sheet

GHS signal word
Warning
GHS07: Harmful or irritant
Harmful or irritant

Hazard statements

  • H302Harmful if swallowed.
  • H315Causes skin irritation.
  • H319Causes serious eye irritation.
  • H335May cause respiratory irritation.
Precautionary statements (19)
  • P261Avoid breathing dust, fume, gas, mist, vapours or spray.
  • P264Wash skin thoroughly after handling.
  • P264 + P265Wash skin thoroughly after handling. Do not touch eyes.
  • P270Do not eat, drink or smoke when using this product.
  • P271Use only outdoors or in a well-ventilated area.
  • P280Wear protective gloves, protective clothing, eye protection and face protection.
  • P301 + P317If swallowed: Get medical help.
  • P302 + P352If on skin: Wash with plenty of water.
  • P304 + P340If inhaled: Remove person to fresh air and keep comfortable for breathing.
  • P305 + P351 + P338If in eyes: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
  • P319Get medical help if you feel unwell.
  • P321Specific treatment (see supplemental first aid instructions on the label).
  • P330Rinse mouth.
  • P332 + P317If skin irritation occurs: Get medical help.
  • P337 + P317If eye irritation persists: Get medical help.
  • P362 + P364Take off contaminated clothing. And wash it before reuse.
  • P403 + P233Store in a well-ventilated place. Keep container tightly closed.
  • P405Store locked up.
  • P501Dispose of contents and container in accordance with local regulations.

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

Full safety data and first aid

Myosmine suppliers

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

All 17 suppliers
17 of 17 offers

Suppliers marked Unclaimed profile have not claimed their profile yet. They are not verified by CompoundList, their offers are price on request and details may have changed, so please confirm them with the supplier. Company representatives can claim a profile with a business email on the company's own website domain. Our team verifies each claim and sends the result by email.

Where suppliers are based

17 suppliers in 5 countries

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Myosmine price

Indicative price range per kg from live supplier offers

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Uses and applications

What the substance is used for, by industry and function

Roles

  • aetiopathogenetic role
  • enzyme inhibitor
  • eukaryotic metabolite
  • genotoxin
  • metabolite
  • mutagen
  • plant metabolite

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 Myosmine is traded under.

HS 2939.79Indicative HS code

Alkaloids of vegetal origin, other than cocaine, ecgonine, salts, esters and other derivatives, not elsewhere…

World exports in 2024
$701M
+18.9% vs 2023, imports $830M
2019 to 2024
Top exporters
  1. Switzerland * partner reported25.3%
  2. Germany21.4%
  3. India * partner reported14.9%
Top importers
  1. United States20.9%
  2. Germany14.7%
  3. Italy14.6%

* Partner reported figures, a lower bound.

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

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

Frequently asked questions

Quick answers about Myosmine, based on the data on this page

What is Myosmine?

Myosmine is a member of the class of pyridines that is pyridine substituted by a 3,4-dihydro-2H-pyrrol-5-yl group at position 3. It is an alkaloid found in tobacco plants and exhibits genotoxic effects. It has a role as a mutagen, an EC 1.14.14.14 (aromatase) inhibitor and a plant metabolite.

What is the CAS number of Myosmine?

The CAS registry number of Myosmine is 532-12-7.

What is the molecular formula and weight of Myosmine?

The molecular formula of Myosmine is C9H10N2 and its molar mass is 146.19 g/mol.

What is Myosmine used for?

Known uses and roles of Myosmine include aetiopathogenetic role, enzyme inhibitor, eukaryotic metabolite, genotoxin, metabolite and 2 more.

Is Myosmine hazardous?

Myosmine carries the GHS signal word "Warning". Main hazards: harmful if swallowed, causes skin irritation, causes serious eye irritation. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of Myosmine?

Myosmine is usually classified under HS code 293979 (Alkaloids, natural or reproduced by synthesis, and their salts, ethers, esters and other…). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Myosmine?

CompoundList lists 17 suppliers of Myosmine in China, United States, India, Czech Republic and 1 more. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

Where can I buy Myosmine in India?

2 suppliers in India list Myosmine on CompoundList. Filter the suppliers list by country and send a request to compare prices, grades and delivery times.

What is the price of Myosmine?

Suppliers quote Myosmine 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 Myosmine

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Data last updated 7 Oct 2026. Details may have changed, please confirm them with the supplier. Report an error on this page
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