Rumenic Acid

Name: Rumenic Acid
Brand: Vaqora Chemicals
SKU: VQ-051240

About Rumenic Acid

Vaqora Chemicals supplies Rumenic Acid, a process intermediate or related compound of N methylpyrrolidone registered under CAS number 2540-56-9. Formula C18H32O2, molecular weight 280.4 g/mol. The IUPAC name is (9Z,11E)-octadeca-9,11-dienoic acid. Alternative names: (9Z,11E)-Octadecadienoic acid and cis-9, trans-11 CLA.

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.

Process chemists and analysts use it when developing synthetic routes to N methylpyrrolidone, tracking process-related impurities and validating analytical methods. It is used across pharmaceutical manufacturing and academic and industrial research.

Standard pack sizes are 10 mg, 25 mg, 50 mg and 100 mg, and every batch ships with a Certificate of Analysis (COA) and we export worldwide.

Typical applications

API route development
Impurity fate & purge studies
Analytical method development

Industries

Related to N methylpyrrolidone

View every impurity, metabolite and intermediate we list for N methylpyrrolidone.

N methylpyrrolidone impurities

Specifications & identifiers

Chemical identifiers
Product name	Rumenic Acid
Catalogue No.	VQ-051240
CAS Number	2540-56-9
IUPAC name	(9Z,11E)-octadeca-9,11-dienoic acid
Molecular formula	C₁₈H₃₂O₂
Molecular weight	280.4 g/mol
Exact mass	280.2402
InChIKey	JBYXPOFIGCOSSB-GOJKSUSPSA-N
SMILES	CCCCCC/C=C/C=C\CCCCCCCC(=O)O
PubChem CID	5280644

Physical properties
Physical form	Solid
LogP (XLogP3)	7.1
H-bond donors / acceptors	1 / 2
TPSA	37.3 Å²
Synonyms	(9Z,11E)-Octadecadienoic acid, cis-9, trans-11 CLA, 9Z,11E-octadecadienoic acid, 9,11-Octadecadienoic acid, (9Z,11E)-, 9-cis,11-trans-octadecadienoic acid, cis-9,trans-11-Octadecadienoic acid, Conjugated linoleic acid, (9Z,11E)-, 9,11-linoleic acid, (E,Z)-, Bovinic acid, 9(Z),11(E)-octadecadienoic acid, 9(Z),11(E)-Conjugated Linoleic Acid, cis-9, trans-11-octadecadienoic acid

Safety & hazard information (GHS)

Hazard statements

H412Harmful to aquatic life with long lasting effects

Precautionary statements: P273, 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 Rumenic Acid?

The CAS Registry Number of Rumenic Acid is 2540-56-9. It is also known as (9Z,11E)-Octadecadienoic acid, cis-9, trans-11 CLA, 9Z,11E-octadecadienoic acid.

What is the molecular formula and molecular weight of Rumenic Acid?

Rumenic Acid has the molecular formula C18H32O2 and a molecular weight of 280.4 g/mol. Its IUPAC name is (9Z,11E)-octadeca-9,11-dienoic acid.

What is Rumenic Acid used for?

Rumenic Acid is supplied as a characterised reference material related to N methylpyrrolidone. 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 Rumenic Acid can I order?

We supply Rumenic Acid, 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 Rumenic Acid?

Yes. Every lot of Rumenic 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 Rumenic Acid be shipped internationally?

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