Acetylsalicylic Acid EP Impurity A-13C6

About Acetylsalicylic Acid EP Impurity A-13C6

Acetylsalicylic Acid EP Impurity A-13C6 is a stable isotope labelled analogue related to Aspirin carrying the CAS registry number 287399-29-5. The compound has the formula C7H6O3, corresponding to a molecular weight of 144.08 g/mol. The IUPAC name is 4-hydroxy(1,2,3,4,5,6-13C6)cyclohexa-1,3,5-triene-1-carboxylic acid. It is also known as 4-Hydroxy(~13~C_6_)benzoic acid or 4-Hydroxybenzoic-1,2,3,4,5,6-13C6 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. Under GHS it is labelled “Warning”, so handle it with suitable PPE and consult the SDS.

This isotope-labelled compound is used as an internal standard for LC-MS and LC-MS/MS quantitation of Aspirin and related analytes in bioanalytical, pharmacokinetic and impurity studies. Buyers come mainly from pharmaceutical manufacturing and academic and industrial research.

Available in 10 mg, 25 mg, 50 mg and 100 mg packs, Acetylsalicylic Acid EP Impurity A-13C6 is dispatched with a Certificate of Analysis (COA) to destinations worldwide.

Typical applications

LC-MS/MS internal standard
Bioanalytical quantitation
Pharmacokinetic studies

Industries

Related to Aspirin

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

Aspirin impurities

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Acetylsalicylic Acid EP Impurity A-13C6
Catalogue No.	VQ-045378
CAS Number	287399-29-5
IUPAC name	4-hydroxy(1,2,3,4,5,6-13C6)cyclohexa-1,3,5-triene-1-carboxylic acid
Molecular formula	C₇H₆O₃
Molecular weight	144.08 g/mol
Exact mass	144.0518
Grade	Reference Standard
HSN code	38229090
InChIKey	FJKROLUGYXJWQN-IDEBNGHGSA-N
SMILES	[13CH]1=[13CH][13C](=[13CH][13CH]=[13C]1C(=O)O)O
PubChem CID	71308855

Physical properties
Physical form	Solid
LogP (XLogP3)	1.6
H-bond donors / acceptors	2 / 3
TPSA	57.5 Å²

Safety & hazard information (GHS)

Harmful / irritant

Signal word: Warning

Hazard statements

H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation

Precautionary statements: P261, P264, P264 + P265, P271, P280, P302 + P352, P304 + P340, P305 + P351 + P338, P319, P321, P332 + P317, P337 + P317, P362 + P364, P403 + P233, P405, P501

Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

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 Acetylsalicylic Acid EP Impurity A-13C6?

The CAS Registry Number of Acetylsalicylic Acid EP Impurity A-13C6 is 287399-29-5. It is also known as 4-Hydroxy(~13~C_6_)benzoic acid, 4-Hydroxybenzoic-1,2,3,4,5,6-13C6 Acid, Acetylsalicylic Acid-13C6.

What is the molecular formula and molecular weight of Acetylsalicylic Acid EP Impurity A-13C6?

Acetylsalicylic Acid EP Impurity A-13C6 has the molecular formula C7H6O3 and a molecular weight of 144.08 g/mol. Its IUPAC name is 4-hydroxy(1,2,3,4,5,6-13C6)cyclohexa-1,3,5-triene-1-carboxylic acid.

What is Acetylsalicylic Acid EP Impurity A-13C6 used for?

Acetylsalicylic Acid EP Impurity A-13C6 is supplied as a characterised reference material related to Aspirin. 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 Acetylsalicylic Acid EP Impurity A-13C6 can I order?

We supply Acetylsalicylic Acid EP Impurity A-13C6 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 Acetylsalicylic Acid EP Impurity A-13C6?

Yes. Every lot of Acetylsalicylic Acid EP Impurity A-13C6 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 Acetylsalicylic Acid EP Impurity A-13C6 be shipped internationally?

Yes. Acetylsalicylic Acid EP Impurity A-13C6 is classified as hazardous, so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.