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Alkaloids

Aureusamine A

Also known as Aureusimine A, tyrvalin, 6-(4-hydroxybenzyl)-3-(propan-2-yl)pyrazin-2(1H)-one

CAS 1244033-70-2Formula C14H16N2O2Molar mass 244.29 g/mol
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Aureusamine A chemical structure, C14H16N2O2, CAS 1244033-70-2
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
1244033-70-2
Formula
C14H16N2O2
Molar mass
244.29 g/mol
HS code
293980
Category
Alkaloids

What is Aureusamine A?

Plain description, key identifiers and synonyms

Tyrvalin is a member of the class of pyrazinones that is pyrazin-2(1H)-one substituted by an isopropyl and (4-hydroxyphenyl)methyl groups at positions 3 and 6, respectively. It is a natural product found in Staphylococcus aureus. It has a role as a bacterial metabolite. It is a pyrazinone and a member of phenols.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
6-[(4-hydroxyphenyl)methyl]-3-propan-2-yl-1H-pyrazin-2-one
CAS number
1244033-70-2
Molecular formula
C14H16N2O2
InChIKey
OVNQNQOVBVQZCE-UHFFFAOYSA-N
InChI
InChI=1S/C14H16N2O2/c1-9(2)13-14(18)16-11(8-15-13)7-10-3-5-12(17)6-4-10/h3-6,8-9,17H,7H2,1-2H3,(H,16,18)
SMILES (canonical and isomeric)
CC(C)C1=NC=C(NC1=O)CC2=CC=C(C=C2)O

Synonyms

  • Aureusimine A
  • tyrvalin
  • 6-(4-hydroxybenzyl)-3-(propan-2-yl)pyrazin-2(1H)-one
  • 6-[(4-hydroxyphenyl)methyl]-3-(propan-2-yl)-1,2-dihydropyrazin-2-one
  • 6-[(4-hydroxyphenyl)methyl]-3-propan-2-yl-1H-pyrazin-2-one
  • 6-[(4-Hydroxyphenyl)methyl]-3-(1-methylethyl)-2(1H)-pyrazinone, Tyrvalin,
  • 6-(4-hydroxybenzyl)-3-isopropylpyrazin-2(1H)-one
  • 6-[(4-hydroxyphenyl)methyl]-3-isopropyl-1H-pyrazin-2-one
  • 6-[(4-hydroxyphenyl)methyl]-3-(1-methylethyl)-2(1H)-pyrazinone
  • 6-[(4-hydroxyphenyl)methyl]-3-(propan-2-yl)pyrazin-2(1H)-one

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
244.29 g/molcalc.
Exact mass
244.1212 Dacalc.
LogP (octanol/water)
2.19calc.
Topological polar surface area
65.98 Ųcalc.
Hydrogen bond donors
2calc.
Hydrogen bond acceptors
3calc.
Rotatable bonds
3calc.
Heavy atoms
18calc.
Rings
2calc.
Aromatic rings
2calc.
Fraction sp3 carbons
0.29calc.
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, O=c1cncc(Cc2ccccc2)[nH]1

O=c1cncc(Cc2ccccc2)[nH]1

2 rings, 14 atoms.

4 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.

Aureusamine A suppliers

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Aureusamine A 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

  • bacterial metabolite
  • metabolite
  • prokaryotic 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 Aureusamine A is traded under.

HS 2939.80Indicative HS code

Natural or reproduced by synthesis, and their salts, esters and other derivatives not elsewhere classified…

World exports in 2024
$49.3M
+13.2% vs 2023, imports $61.4M
2019 to 2024
Top exporters
  1. China31.7%
  2. India * partner reported23.1%
  3. South Africa7.8%
Top importers
  1. Austria28.6%
  2. United States11.9%
  3. United Kingdom7.9%

* Partner reported figures, a lower bound.

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

The HS code shown for Aureusamine A is indicative (it is known at chapter level only). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about Aureusamine A, based on the data on this page

What is Aureusamine A?

Tyrvalin is a member of the class of pyrazinones that is pyrazin-2(1H)-one substituted by an isopropyl and (4-hydroxyphenyl)methyl groups at positions 3 and 6, respectively. It is a natural product found in Staphylococcus aureus. It has a role as a bacterial metabolite. It is a pyrazinone and a member of phenols.

What is the CAS number of Aureusamine A?

The CAS registry number of Aureusamine A is 1244033-70-2.

What is the molecular formula and weight of Aureusamine A?

The molecular formula of Aureusamine A is C14H16N2O2 and its molar mass is 244.29 g/mol.

What is Aureusamine A used for?

Known uses and roles of Aureusamine A include bacterial metabolite, metabolite and prokaryotic metabolite.

Is Aureusamine A hazardous?

No GHS hazard classification for Aureusamine A 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 Aureusamine A?

Aureusamine A is usually classified under HS code 293980 (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 Aureusamine A?

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

What is the price of Aureusamine A?

Suppliers quote Aureusamine A 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 Aureusamine A

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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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