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API Impurities

Menthofuran

Reference StandardAvailable on request

Menthofuran (CAS 494-90-6) supplier Zemixal. Lab and bulk packs, batch COA, fast global delivery. Packs from 10 mg. Part of our API Impurities range.

Pack sizes
Menthofuran chemical structure
CAS number494-90-6
FormulaC10H14O
Molar mass150.22 g/mol
Physical formSolid
HS code38229090
InChIKeyYGWKXXYGDYYFJU-UHFFFAOYSA-N
IUPAC name3,6-dimethyl-4,5,6,7-tetrahydro-1-benzofuran

About Menthofuran

Analytical teams working on Menthone use Menthofuran as a qualified comparison standard. For your records (Reference Standard), the material is defined by CAS 494-90-6, formula C10H14O and molar mass 150.22 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

Storage and safety notes

Hazard communication follows GHS (Warning: H302, H315, H319 and H411). Our SDS lists exposure controls and first-aid measures.

Available as 10 mg, 25 mg, 50 mg and 100 mg. Larger or split packs can be arranged. You receive a certificate of analysis with characterisation data with each order. Request pricing online and we confirm availability, documentation and freight to your country.

Reference standards for Menthone

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

Menthone standards

Typical uses

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

Applications

Specifications and identifiers

Specifications of Menthofuran
Product nameMenthofuran
Catalogue numberZX-031091
CAS number494-90-6
IUPAC name3,6-dimethyl-4,5,6,7-tetrahydro-1-benzofuran
Molecular formulaC10H14O
Molar mass150.22 g/mol
Exact mass150.1045
GradeReference Standard
Physical formSolid
XLogP33
H-bond donors / acceptors0 / 1
Topological polar surface area13.1 Ų
HS code38229090
InChIKeyYGWKXXYGDYYFJU-UHFFFAOYSA-N
SMILESCC1CCC2=C(C1)OC=C2C
PubChem CID329983
Synonyms3,9-Epoxy-p-mentha-3,8-diene, p-Mentha-3,8-diene, 3,9-epoxy-, 4,5,6,7-Tetrahydro-3,6-dimethylcoumarone, Menthofurane, 3,6-dimethyl-4,5,6,7-tetrahydrobenzofuran, 4,5,6,7-Tetrahydro-3,6-dimethylbenzofuran, (S)-3,6-Dimethyl-4,5,6,7-tetrahydrobenzofuran, 3,6-dimethyl-4,5,6,7-tetrahydrobenzo[2,1-b]furan, 3,8-diene, (R)-4,5,6,7-tetrahydro-3,6-dimethylbenzofuran, p-Mentha-3, 3,9-epoxy-

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
GHS09 Hazardous to the environment
Hazardous to the environment

Signal word Warning

  • H302Harmful if swallowed
  • H315Causes skin irritation
  • H319Causes serious eye irritation
  • H411Toxic to aquatic life with long lasting effects

Precautionary statements P264, P264 + P265, P270, P273, P280, P301 + P317, P302 + P352, P305 + P351 + P338, P321, P330, P332 + P317, P337 + P317, P362 + P364, P391, 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 Menthofuran
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 Menthofuran

Which CAS number identifies Menthofuran?
Menthofuran is registered under CAS 494-90-6. You may also see it listed as 3,9-Epoxy-p-mentha-3,8-diene, p-Mentha-3,8-diene, 3,9-epoxy-, 4,5,6,7-Tetrahydro-3,6-dimethylcoumarone. Our catalogue number for this item is ZX-031091.
What are the formula and molar mass of Menthofuran?
For Menthofuran, its formula is C10H14O and its molar mass is 150.22 g/mol. The systematic (IUPAC) name is 3,6-dimethyl-4,5,6,7-tetrahydro-1-benzofuran. InChIKey YGWKXXYGDYYFJU-UHFFFAOYSA-N lets you match it in any structure database.
How is Menthofuran used in pharmaceutical QC?
Menthofuran is a characterised reference material linked to Menthone. 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 Menthofuran?
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 Menthofuran?
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 Menthofuran to my country?
Yes. Because Menthofuran 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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