Trans-Stilbene Oxide

Name: Trans-Stilbene Oxide
Brand: Vaqora Chemicals
SKU: VQ-041053

About Trans-Stilbene Oxide

Listed under CAS 1439-07-2, Trans-Stilbene Oxide is an API impurity reference standard available from Vaqora Chemicals. Formula C14H12O, molecular weight 196.24 g/mol. Its systematic (IUPAC) name is (2S,3S)-2,3-diphenyloxirane. Common synonyms include trans-Stilbene epoxide and trans-2,3-Diphenyloxirane.

The product is provided 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 “Warning”, so handle it with suitable PPE and consult the SDS.

Pharmaceutical QC and development laboratories use this impurity standard of the parent drug substance to develop and validate HPLC methods, to set specification limits and to document impurity profiles in ANDA and DMF submissions. It is used across pharmaceutical manufacturing and academic and industrial research.

We offer Trans-Stilbene Oxide in 10 mg, 25 mg, 50 mg and 100 mg packs with a batch-specific COA, and ship to customers worldwide.

Typical applications

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

Industries

Specifications & identifiers

Chemical identifiers
Product name	Trans-Stilbene Oxide
Catalogue No.	VQ-041053
CAS Number	1439-07-2
IUPAC name	(2S,3S)-2,3-diphenyloxirane
Molecular formula	C₁₄H₁₂O
Molecular weight	196.24 g/mol
Exact mass	196.0888
Grade	Reference Standard
HSN code	38229090
InChIKey	ARCJQKUWGAZPFX-KBPBESRZSA-N
SMILES	C1=CC=C(C=C1)[C@H]2[C@@H](O2)C3=CC=CC=C3
PubChem CID	91504

Physical properties
Physical form	Solid
LogP (XLogP3)	2.9
H-bond donors / acceptors	0 / 1
TPSA	12.5 Å²
Synonyms	trans-Stilbene epoxide, trans-2,3-Diphenyloxirane, stilbene oxide, trans-, trans-alpha,alpha'-Epoxybibenzyl, Oxirane, 2,3-diphenyl-, (2R,3R)-rel-, rel-(2R,3R)-2,3-diphenyloxirane, S-trans-stilbene oxide, (S,S)-stilbene oxide, Rel-(2S,3S)-2,3-diphenyloxirane, Stilbene oxide, (2S,3S)-, Oxirane, 2,3-diphenyl-, (2S-trans)-, trans-1,2-Diphenylethylene oxide

Safety & hazard information (GHS)

Harmful / irritant

Health hazard

Signal word: Warning

Hazard statements

H302Harmful if swallowed
H312Harmful in contact with skin
H315Causes skin irritation
H319Causes serious eye irritation
H332Harmful if inhaled
H335May cause respiratory irritation
H373May causes damage to organs through prolonged or repeated exposure

Precautionary statements: P260, P261, P264, P264 + P265, P270, P271, P280, P301 + P317, P302 + P352, P304 + P340, P305 + P351 + P338, P317, P319, P321, P330, 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 Trans-Stilbene Oxide?

The CAS Registry Number of Trans-Stilbene Oxide is 1439-07-2. It is also known as trans-Stilbene epoxide, trans-2,3-Diphenyloxirane, stilbene oxide, trans-.

What is the molecular formula and molecular weight of Trans-Stilbene Oxide?

Trans-Stilbene Oxide has the molecular formula C14H12O and a molecular weight of 196.24 g/mol. Its IUPAC name is (2S,3S)-2,3-diphenyloxirane.

Which grade and pack sizes of Trans-Stilbene Oxide can I order?

We supply Trans-Stilbene Oxide 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 Trans-Stilbene Oxide?

Yes. Every lot of Trans-Stilbene Oxide 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 Trans-Stilbene Oxide be shipped internationally?

Yes. Trans-Stilbene Oxide 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.