Efavirenz-d5

Name: Efavirenz-d5
Brand: Vaqora Chemicals
SKU: VQ-036899

About Efavirenz-d5

Efavirenz-d5 is a stable isotope labelled analogue related to Efavirenz carrying the CAS registry number 1132642-95-5. Its molecular formula is C14H9ClF3NO2 and its molecular weight is 320.7 g/mol. The IUPAC name is (4S)-6-chloro-4-[2-(1,2,2,3,3-pentadeuteriocyclopropyl)ethynyl]-4-(trifluoromethyl)-1H-3,1-benzoxazin-2-one. Common synonyms include rac Efavirenz-d5 (major) and rac Efavirenz-d5.

It is supplied 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.

Its mass shift relative to the unlabelled analyte makes it a dependable internal standard for LC-MS/MS assays, improving accuracy in bioanalysis, therapeutic drug monitoring and method validation. Our customers for this product work in pharmaceutical manufacturing and academic and industrial research.

We offer Efavirenz-d5 in 10 mg, 25 mg, 50 mg and 100 mg packs with a batch-specific COA, and ship to customers 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-d5
Catalogue No.	VQ-036899
CAS Number	1132642-95-5
IUPAC name	(4S)-6-chloro-4-[2-(1,2,2,3,3-pentadeuteriocyclopropyl)ethynyl]-4-(trifluoromethyl)-1H-3,1-benzoxazin-2-one
Molecular formula	C₁₄H₉ClF₃NO₂
Molecular weight	320.7 g/mol
Exact mass	320.0588
Grade	Reference Standard
HSN code	38229090
InChIKey	XPOQHMRABVBWPR-XWJABCKYSA-N
SMILES	[2H]C1(C(C1([2H])C#C[C@]2(C3=C(C=CC(=C3)Cl)NC(=O)O2)C(F)(F)F)([2H])[2H])[2H]
PubChem CID	25224555

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

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-d5?

The CAS Registry Number of Efavirenz-d5 is 1132642-95-5. It is also known as rac Efavirenz-d5 (major), rac Efavirenz-d5, rac Efavirenz-d5(major).

What is the molecular formula and molecular weight of Efavirenz-d5?

Efavirenz-d5 has the molecular formula C14H9ClF3NO2 and a molecular weight of 320.7 g/mol. Its IUPAC name is (4S)-6-chloro-4-[2-(1,2,2,3,3-pentadeuteriocyclopropyl)ethynyl]-4-(trifluoromethyl)-1H-3,1-benzoxazin-2-one.

What is Efavirenz-d5 used for?

Efavirenz-d5 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-d5 can I order?

We supply Efavirenz-d5 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-d5?

Yes. Every lot of Efavirenz-d5 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-d5 be shipped internationally?

Yes. We export Efavirenz-d5 worldwide by air and sea freight or express courier, on EXW, FOB, CIF, CFR or DAP Incoterms, with full export documentation.