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Heterocyclic building blocks

Pyrazinemethanol

Also known as pyrazin-2-ylmethanol, 2-Pyrazinemethanol, 2-Hydroxymethylpyrazine

CAS 6705-33-5Formula C5H6N2OMolar mass 110.12 g/molEC 691-621-1
GHS signal word: Warning. Pictograms: Harmful or irritant 1 supplier listed
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Pyrazinemethanol chemical structure, C5H6N2O, CAS 6705-33-5
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
6705-33-5
Formula
C5H6N2O
Molar mass
110.12 g/mol
EC number
691-621-1
HS code
293399
Category
Heterocyclic building blocks

What is Pyrazinemethanol?

Plain description, key identifiers and synonyms

Pyrazinemethanol is a chemical substance with the molecular formula C5H6N2O and a molar mass of 110.12 g/mol. Its CAS registry number is 6705-33-5. The IUPAC name is pyrazin-2-ylmethanol.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
pyrazin-2-ylmethanol
CAS number
6705-33-5 CAS number cross-checked
EC number
691-621-1
Molecular formula
C5H6N2O
UNII
C27Z7QI77D
MDL number
MFCD01693938
InChIKey
LFCWHDGQCWJKCG-UHFFFAOYSA-N
InChI
InChI=1S/C5H6N2O/c8-4-5-3-6-1-2-7-5/h1-3,8H,4H2
SMILES (canonical and isomeric)
C1=CN=C(C=N1)CO

Synonyms

  • pyrazin-2-ylmethanol
  • 2-Pyrazinemethanol
  • 2-Hydroxymethylpyrazine
  • 2-(Hydroxymethyl)pyrazine
  • (Hydroxymethyl)pyrazine
  • 5-23-11-00154 (Beilstein Handbook Reference)
  • 2-Pyrazinylmethanol
  • (pyrazin-2-yl)methanol
  • (2-Hydroxymethyl)pyrazine
  • Pyrazin-2-yl-methanol
  • 2-pyrazinemethanol hydrochloride
  • 2-Pyrazi
  • pyrazin-2-yl methanol
  • pyrazin-2-ylmethan-1-ol
  • 2-pyrazinylmethanol, AldrichCPR

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
110.12 g/molcalc.
Exact mass
110.048 Dacalc.
LogP (octanol/water)
-0.03calc.
Topological polar surface area
46.01 Ųcalc.
Hydrogen bond donors
1calc.
Hydrogen bond acceptors
3calc.
Rotatable bonds
1calc.
Heavy atoms
8calc.
Rings
1calc.
Aromatic rings
1calc.
Fraction sp3 carbons
0.2calc.
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, c1cnccn1

c1cnccn1

1 ring, 6 atoms, the Pyrazine ring system.

6,118 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

  • H315Causes skin irritation.
  • H319Causes serious eye irritation.
  • H335May cause respiratory irritation.
Precautionary statements (16)
  • P261Avoid breathing dust, fume, gas, mist, vapours or spray.
  • P264Wash skin thoroughly after handling.
  • P264 + P265Wash skin thoroughly after handling. Do not touch eyes.
  • P271Use only outdoors or in a well-ventilated area.
  • P280Wear protective gloves, protective clothing, eye protection and face protection.
  • 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).
  • 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

Pyrazinemethanol suppliers

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Where suppliers are based

1 supplier in 1 country

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Pyrazinemethanol price

Indicative price range per kg from live supplier offers

No published prices right now

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Uses and applications

What the substance is used for, by industry and function

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 Pyrazinemethanol 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 Pyrazinemethanol is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

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

What is Pyrazinemethanol?

Pyrazinemethanol is a chemical substance with the molecular formula C5H6N2O and a molar mass of 110.12 g/mol. Its CAS registry number is 6705-33-5. The IUPAC name is pyrazin-2-ylmethanol.

What is the CAS number of Pyrazinemethanol?

The CAS registry number of Pyrazinemethanol is 6705-33-5.

What is the molecular formula and weight of Pyrazinemethanol?

The molecular formula of Pyrazinemethanol is C5H6N2O and its molar mass is 110.12 g/mol.

What is Pyrazinemethanol used for?

Known uses and roles of Pyrazinemethanol include building blocks in research and laboratory and screening compounds in research and laboratory.

Is Pyrazinemethanol hazardous?

Pyrazinemethanol carries the GHS signal word "Warning". Main hazards: causes skin irritation, causes serious eye irritation, may cause respiratory irritation. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of Pyrazinemethanol?

Pyrazinemethanol 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 Pyrazinemethanol?

CompoundList lists 1 supplier of Pyrazinemethanol in United States. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

What is the price of Pyrazinemethanol?

Suppliers quote Pyrazinemethanol 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 Pyrazinemethanol

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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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