(S)-(+)-Modafinic Acid

Name: (S)-(+)-Modafinic Acid
Brand: Vaqora Chemicals
SKU: VQ-043889

About (S)-(+)-Modafinic Acid

Listed under CAS 112111-44-1, (S)-(+)-Modafinic Acid is an impurity of Modafinil available from Vaqora Chemicals. With the molecular formula C15H14O3S, it has a molar mass of 274.3 g/mol. Systematically, it is named 2-[(S)-benzhydrylsulfinyl]acetic acid. Common synonyms include Modafinil acid, (+)- and (+)-modafinil acid.

It is supplied as a solid. Store the standard in its sealed vial, protected from light and moisture, and follow the storage condition printed on the COA. Good laboratory practice and suitable PPE are recommended during handling.

Pharmaceutical QC and development laboratories use this impurity standard of Modafinil to develop and validate HPLC methods, to set specification limits and to document impurity profiles in ANDA and DMF submissions. Typical end-use sectors are pharmaceutical manufacturing and academic and industrial research.

Available in 10 mg, 25 mg, 50 mg and 100 mg packs, (S)-(+)-Modafinic Acid is dispatched with a Certificate of Analysis (COA) to destinations worldwide.

Typical applications

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

Industries

Related to Modafinil

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

Modafinil impurities

Specifications & identifiers

Chemical identifiers
Product name	(S)-(+)-Modafinic Acid
Catalogue No.	VQ-043889
CAS Number	112111-44-1
IUPAC name	2-[(S)-benzhydrylsulfinyl]acetic acid
Molecular formula	C₁₅H₁₄O₃S
Molecular weight	274.3 g/mol
Exact mass	274.0664
Grade	Reference Standard
HSN code	38229090
InChIKey	QARQPIWTMBRJFX-IBGZPJMESA-N
SMILES	C1=CC=C(C=C1)C(C2=CC=CC=C2)[S@@](=O)CC(=O)O
PubChem CID	11623216

Physical properties
Physical form	Solid
LogP (XLogP3)	2.4
H-bond donors / acceptors	1 / 4
TPSA	73.6 Å²
Synonyms	Modafinil acid, (+)-, Acetic acid, 2-((S)-(diphenylmethyl)sulfinyl)-, (+)-modafinil acid, Acetic acid, [(S)-(diphenylmethyl)sulfinyl]-, [(S)-Diphenylmethanesulfinyl]acetic acid, 2-[(S)-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 (S)-(+)-Modafinic Acid?

The CAS Registry Number of (S)-(+)-Modafinic Acid is 112111-44-1. It is also known as Modafinil acid, (+)-, Acetic acid, 2-((S)-(diphenylmethyl)sulfinyl)-, (+)-modafinil acid.

What is the molecular formula and molecular weight of (S)-(+)-Modafinic Acid?

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

What is (S)-(+)-Modafinic Acid used for?

(S)-(+)-Modafinic Acid is supplied as a characterised reference material related to Modafinil. 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 (S)-(+)-Modafinic Acid can I order?

We supply (S)-(+)-Modafinic 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 (S)-(+)-Modafinic Acid?

Yes. Every lot of (S)-(+)-Modafinic 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 (S)-(+)-Modafinic Acid be shipped internationally?

Yes. We export (S)-(+)-Modafinic Acid worldwide by air and sea freight or express courier, on EXW, FOB, CIF, CFR or DAP Incoterms, with full export documentation.