Efavirenz-13C6

Name: Efavirenz-13C6
Brand: Vaqora Chemicals
SKU: VQ-036898

About Efavirenz-13C6

Listed under CAS 1261394-62-0, Efavirenz-13C6 is a stable isotope labelled analogue related to Efavirenz available from Vaqora Chemicals. Its molecular formula is C14H9ClF3NO2 and its molecular weight is 321.63 g/mol. Systematically, it is named 6-chloro-4-(2-cyclopropylethynyl)-4-(trifluoromethyl)-1H-3,1-benzoxazin-2-one.

It is supplied as a solid. Reference materials should be stored sealed and away from light and moisture, as specified on the accompanying COA. Under GHS it is labelled “Danger”, 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 Efavirenz and related analytes in bioanalytical, pharmacokinetic and impurity studies. Buyers come mainly from pharmaceutical manufacturing and academic and industrial research.

Vaqora Chemicals supplies Efavirenz-13C6 in 10 mg, 25 mg, 50 mg and 100 mg packs, each shipped with a Certificate of Analysis (COA), and exports worldwide.

Typical applications

LC-MS/MS internal standard
Bioanalytical quantitation
Pharmacokinetic studies

Industries

Related to Efavirenz

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

Efavirenz impurities

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Efavirenz-13C6
Catalogue No.	VQ-036898
CAS Number	1261394-62-0
IUPAC name	6-chloro-4-(2-cyclopropylethynyl)-4-(trifluoromethyl)-1H-3,1-benzoxazin-2-one
Molecular formula	C₁₄H₉ClF₃NO₂
Molecular weight	321.63 g/mol
Exact mass	321.0475
Grade	Reference Standard
HSN code	38229090
InChIKey	XPOQHMRABVBWPR-OMTIFVAJSA-N
SMILES	C1CC1C#CC2([13C]3=[13C]([13CH]=[13CH][13C](=[13CH]3)Cl)NC(=O)O2)C(F)(F)F
PubChem CID	76973341

Physical properties
Physical form	Solid
LogP (XLogP3)	4
H-bond donors / acceptors	1 / 5
TPSA	38.3 Å²

Safety & hazard information (GHS)

Toxic

Health hazard

Environmental hazard

Signal word: Danger

Hazard statements

H301Toxic if swallowed
H319Causes serious eye irritation
H360May damage fertility or the unborn child
H372Causes damage to organs through prolonged or repeated exposure
H400Very toxic to aquatic life
H410Very toxic to aquatic life with long lasting effects

Precautionary statements: P203, P260, P264, P264 + P265, P270, P273, P280, P301 + P316, P305 + P351 + P338, P318, P319, P321, P330, P337 + P317, P391, 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 Efavirenz-13C6?

The CAS Registry Number of Efavirenz-13C6 is 1261394-62-0.

What is the molecular formula and molecular weight of Efavirenz-13C6?

Efavirenz-13C6 has the molecular formula C14H9ClF3NO2 and a molecular weight of 321.63 g/mol. Its IUPAC name is 6-chloro-4-(2-cyclopropylethynyl)-4-(trifluoromethyl)-1H-3,1-benzoxazin-2-one.

What is Efavirenz-13C6 used for?

Efavirenz-13C6 is supplied as a characterised reference material related to Efavirenz. 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 Efavirenz-13C6 can I order?

We supply Efavirenz-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 Efavirenz-13C6?

Yes. Every lot of Efavirenz-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 Efavirenz-13C6 be shipped internationally?

Yes. Efavirenz-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.