CompoundList

Modafinil acid, (-)-

Also known as (R)-(-)-Modafinic acid, Armodafinic acid, (-)-modafinil acid

CAS 112111-45-2Formula C15H14O3SMolar mass 274.34 g/mol
Modafinil acid, (-)- chemical structure, C15H14O3S, CAS 112111-45-2
2D chemical structure

Key facts

What buyers check first

CAS number
112111-45-2
Formula
C15H14O3S
Molar mass
274.34 g/mol
HS code
293090
Category
Impurities and reference standards

What is Modafinil acid, (-)-?

Plain description, key identifiers and synonyms

Modafinil acid, (-)- is a chemical substance with the molecular formula C15H14O3S and a molar mass of 274.34 g/mol. Its CAS registry number is 112111-45-2. The IUPAC name is 2-[(R)-benzhydrylsulfinyl]acetic acid.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
2-[(R)-benzhydrylsulfinyl]acetic acid
CAS number
112111-45-2 CAS number cross-checked
Molecular formula
C15H14O3S
UNII
464K6CG4CC
MDL number
MFCD11977853
InChIKey
QARQPIWTMBRJFX-LJQANCHMSA-N
InChI
InChI=1S/C15H14O3S/c16-14(17)11-19(18)15(12-7-3-1-4-8-12)13-9-5-2-6-10-13/h1-10,15H,11H2,(H,16,17)/t19-/m1/s1
Canonical SMILES
O=C(O)CS(=O)C(c1ccccc1)c1ccccc1
Isomeric SMILES
C1=CC=C(C=C1)C(C2=CC=CC=C2)[S@](=O)CC(=O)O

Synonyms

  • (R)-(-)-Modafinic acid
  • Armodafinic acid
  • (-)-modafinil acid
  • 2-((R)-(Diphenylmethyl)sulfinyl)-acetic acid
  • Acetic acid, 2-((R)-(diphenylmethyl)sulfinyl)-
  • (R)-(-)-Modafinil acid
  • (R)-Modafinil Carboxylate
  • 2-[(R)-benzhydrylsulfinyl]acetic acid
  • Modafinil Impurity 2
  • 2-[(R)-(Diphenyl-methyl)sulfinyl]-acetic Acid
  • (R)-2-(Benzhydrylsulfinyl)acetic acid
  • [(R)-Diphenylmethanesulfinyl]acetic acid

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
274.34 g/molcalc.
Exact mass
274.0664 Dacalc.
LogP (octanol/water)
2.61calc.
Topological polar surface area
54.37 Ųcalc.
Hydrogen bond donors
1calc.
Hydrogen bond acceptors
2calc.
Rotatable bonds
5calc.
Heavy atoms
19calc.
Rings
2calc.
Aromatic rings
2calc.
Fraction sp3 carbons
0.13calc.
Formal charge
0calc.
Stereocentres
1calc.
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, c1ccc(Cc2ccccc2)cc1

c1ccc(Cc2ccccc2)cc1

2 rings, 13 atoms, the Diphenylmethane ring system.

8,982 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.

Modafinil acid, (-)- suppliers

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All 3 suppliers

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Where suppliers are based

3 suppliers in 1 country

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Modafinil acid, (-)- 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

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 Modafinil acid, (-)- is traded under.

HS 2930.90Indicative HS code

Organo-sulphur compounds, other

World exports in 2024
$5.83B
+0.1% vs 2023, imports $5.93B
2019 to 2024
Top exporters
  1. China40.7%
  2. United States10.9%
  3. Japan9.3%
Top importers
  1. United States13.3%
  2. Brazil12.6%
  3. China6.6%
Reported customs values in USD, not prices.Full trade data

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

Guides for buyers

Practical guides that help when you source, ship or handle Modafinil acid, (-)-

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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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