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API Impurities

Beta-Tocopherol

Reference StandardAvailable on request

Beta-Tocopherol (CAS 16698-35-4) supplier Zemixal. Request a quote with price, lead time and documents. Packs from 10 mg.

Pack sizes
Beta-Tocopherol chemical structure
CAS number16698-35-4
FormulaC28H48O2
Molar mass416.7 g/mol
Physical formSolid
HS code38229090
InChIKeyWGVKWNUPNGFDFJ-DQCZWYHMSA-N
IUPAC name(2R)-2,5,8-trimethyl-2-[(4R,8R)-4,8,12-trimethyltridecyl]-3,4-dihydrochromen-6-ol

About Beta-Tocopherol

Beta-Tocopherol belongs to the Tocopherol reference-standard family in the Zemixal catalogue. Identity at a glance (Reference Standard): CAS 16698-35-4, formula C28H48O2 and molar mass 416.7 g/mol. It is handled as a solid.

Use cases we see most often

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

Handling and storage

Hazard communication follows GHS (Warning: H315, H319 and H335). Our SDS lists exposure controls and first-aid measures.

Order it in 10 mg, 25 mg, 50 mg and 100 mg packs or ask for a bulk quotation. Each lot travels with a certificate of analysis with characterisation data. Send an enquiry through the quote panel and you get a formal offer with Incoterms and delivery time.

Reference standards for Tocopherol

See every impurity, metabolite and related compound we list for this API.

Tocopherol standards

Typical uses

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

Applications

Specifications and identifiers

Specifications of Beta-Tocopherol
Product nameBeta-Tocopherol
Catalogue numberZX-032768
CAS number16698-35-4
IUPAC name(2R)-2,5,8-trimethyl-2-[(4R,8R)-4,8,12-trimethyltridecyl]-3,4-dihydrochromen-6-ol
Molecular formulaC28H48O2
Molar mass416.7 g/mol
Exact mass416.3654
GradeReference Standard
Physical formSolid
XLogP310.3
H-bond donors / acceptors1 / 2
Topological polar surface area29.5 Ų
HS code38229090
InChIKeyWGVKWNUPNGFDFJ-DQCZWYHMSA-N
SMILESCC1=CC(=C(C2=C1O[C@](CC2)(C)CCC[C@H](C)CCC[C@H](C)CCCC(C)C)C)O
PubChem CID6857447
Synonymsd-beta-Tocopherol, 5,8-Dimethyltocol, Cumotocopherol, Neotocopherol, p-Xylotocopherol, (2R)-2,5,8-trimethyl-2-[(4R,8R)-4,8,12-trimethyltridecyl]-3,4-dihydro-2H-1-benzopyran-6-ol, (2R)-2,5,8-trimethyl-2-((4R,8R)-4,8,12-trimethyltridecyl)-3,4-dihydrochromen-6-ol, (2R)-2,5,8-trimethyl-2-((4R,8R)-4,8,12-trimethyltridecyl)-3,4-dihydro-2H-1-benzopyran-6-ol, 3,4-Dihydro-2,5,8-trimethyl-2-(4,8,12-trimethyltridecyl)-2H-1-benzopyran-6-ol, 2,5,8-trimethyl-2-(4,8,12-trimethyltridecyl)chroman-6-ol, (R)-2,5,8-Trimethyl-2-((4R,8R)-4,8,12-trimethyltridecyl)chroman-6-ol

Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.

Safety and GHS hazards

GHS07 Irritant or harmful
Irritant or harmful

Signal word Warning

  • 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 summarised from public GHS notifications. It can vary with grade and concentration, so always follow the SDS supplied with your lot.

Pack sizes

Pack sizes of Beta-Tocopherol
10 mgQuoted on request
25 mgQuoted on request
50 mgQuoted on request
100 mgQuoted on request

Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.

Questions about Beta-Tocopherol

Which CAS number identifies Beta-Tocopherol?
Beta-Tocopherol is registered under CAS 16698-35-4. You may also see it listed as d-beta-Tocopherol, 5,8-Dimethyltocol, Cumotocopherol. Our catalogue number for this item is ZX-032768.
What are the formula and molar mass of Beta-Tocopherol?
For Beta-Tocopherol, its formula is C28H48O2 and its molar mass is 416.7 g/mol. The systematic (IUPAC) name is (2R)-2,5,8-trimethyl-2-[(4R,8R)-4,8,12-trimethyltridecyl]-3,4-dihydrochromen-6-ol. InChIKey WGVKWNUPNGFDFJ-DQCZWYHMSA-N lets you match it in any structure database.
How is Beta-Tocopherol used in pharmaceutical QC?
Beta-Tocopherol is a characterised reference material linked to Tocopherol. Laboratories use it to identify and quantify this impurity during method development and validation, stability work, batch release testing and regulatory submissions.
What grade and pack sizes are available for Beta-Tocopherol?
This listing is Reference Standard grade. Standard packs are 10 mg, 25 mg, 50 mg, 100 mg. Larger quantities and custom packing can be quoted on request.
Which documents come with Beta-Tocopherol?
Each lot ships with a batch certificate of analysis and a 16-section GHS safety data sheet. A typical COA or specification sheet can be shared with the quotation before you order.
Can Zemixal ship Beta-Tocopherol to my country?
Yes. Because Beta-Tocopherol is classed as hazardous, it travels in UN-approved packaging as dangerous goods under IATA or IMDG rules, with the export paperwork your broker needs.

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