R-Modafinil Acid

About R-Modafinil Acid

R-Modafinil Acid is an impurity of Armodafinil carrying the CAS registry number 112111-45-2. With the molecular formula C15H14O3S, it has a molar mass of 274.3 g/mol. The IUPAC name is 2-[(R)-benzhydrylsulfinyl]acetic acid. Common synonyms include (R)-Modafinil Carboxylate and (R)-(-)-Modafinic acid.

The product is provided as a solid. Keep the vial tightly closed, protected from light and humidity, at the temperature stated on the Certificate of Analysis. Good laboratory practice and suitable PPE are recommended during handling.

As a characterised impurity of Armodafinil, it is used for analytical method development, method validation (AMV) and routine quality-control testing, and it supports ANDA and DMF regulatory filings. Our customers for this product work in pharmaceutical manufacturing and academic and industrial research.

We offer R-Modafinil Acid in 10 mg, 25 mg, 50 mg and 100 mg packs with a batch-specific COA, and ship to customers worldwide.

Typical applications

Analytical method development
Method validation (AMV)
QC release testing
ANDA / DMF filings

Industries

Related to Armodafinil

View every impurity, metabolite and intermediate we list for Armodafinil.

Armodafinil impurities

Specifications & identifiers

Chemical identifiers
Product name	R-Modafinil Acid
Catalogue No.	VQ-028838
CAS Number	112111-45-2
IUPAC name	2-[(R)-benzhydrylsulfinyl]acetic acid
Molecular formula	C₁₅H₁₄O₃S
Molecular weight	274.3 g/mol
Exact mass	274.0664
Grade	Reference Standard
HSN code	38229090
InChIKey	QARQPIWTMBRJFX-LJQANCHMSA-N
SMILES	C1=CC=C(C=C1)C(C2=CC=CC=C2)[S@](=O)CC(=O)O
PubChem CID	11300303

Physical properties
Physical form	Solid
LogP (XLogP3)	2.4
H-bond donors / acceptors	1 / 4
TPSA	73.6 Å²
Synonyms	(R)-Modafinil Carboxylate, (R)-(-)-Modafinic acid, Modafinil acid, (-)-, Armodafinic acid, (-)-modafinil acid, 2-((R)-(Diphenylmethyl)sulfinyl)-acetic acid, Acetic acid, 2-((R)-(diphenylmethyl)sulfinyl)-, 2-[(R)-(Diphenyl-methyl)sulfinyl]-acetic Acid, (R)-2-(Benzhydrylsulfinyl)acetic acid, [(R)-Diphenylmethanesulfinyl]acetic acid

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Frequently asked questions

What is the CAS number of R-Modafinil Acid?

The CAS Registry Number of R-Modafinil Acid is 112111-45-2. It is also known as (R)-Modafinil Carboxylate, (R)-(-)-Modafinic acid, Modafinil acid, (-)-.

What is the molecular formula and molecular weight of R-Modafinil Acid?

R-Modafinil Acid has the molecular formula C15H14O3S and a molecular weight of 274.3 g/mol. Its IUPAC name is 2-[(R)-benzhydrylsulfinyl]acetic acid.

What is R-Modafinil Acid used for?

R-Modafinil Acid is supplied as a characterised reference material related to Armodafinil. It is used for analytical method development and validation (AMV), impurity profiling, stability studies and quality control, and in ANDA/DMF regulatory filings.

Which grade and pack sizes of R-Modafinil Acid can I order?

We supply R-Modafinil Acid in Reference Standard grade, in 10 mg, 25 mg, 50 mg, 100 mg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with R-Modafinil Acid?

Yes. Every lot of R-Modafinil Acid is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can R-Modafinil Acid be shipped internationally?

Yes. We export R-Modafinil Acid worldwide by air and sea freight or express courier, on EXW, FOB, CIF, CFR or DAP Incoterms, with full export documentation.