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API Impurities

(1,2,6,7,-Tetrahydro-8H-indeno[5,4-b]furan-8-ylidene)acetonitrile

Reference StandardAvailable on request

(1,2,6,7,-Tetrahydro-8H-indeno[5,4-b]furan-8-ylidene)acetonitrile (CAS 221530-44-5) supplier Zemixal. Lab and bulk packs, batch COA, fast global delivery.

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(1,2,6,7,-Tetrahydro-8H-indeno[5,4-b]furan-8-ylidene)acetonitrile chemical structure
CAS number221530-44-5
FormulaC13H11NO
Molar mass197.23 g/mol
Physical formSolid
HS code38229090
InChIKeyTUFWVKLKUFXARX-BJMVGYQFSA-N
IUPAC name(2E)-2-(1,2,6,7-tetrahydrocyclopenta[e][1]benzofuran-8-ylidene)acetonitrile

About (1,2,6,7,-Tetrahydro-8H-indeno[5,4-b]furan-8-ylidene)acetonitrile

Analytical teams working on Ramelteon use (1,2,6,7,-Tetrahydro-8H-indeno[5,4-b]furan-8-ylidene)acetonitrile as a qualified comparison standard. Identity at a glance (Reference Standard): CAS 221530-44-5, formula C13H11NO and molar mass 197.23 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

Safe handling

Hazard communication follows GHS (Warning: H302). 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. You receive a certificate of analysis with characterisation data with each order. Send an enquiry through the quote panel and you get a formal offer with Incoterms and delivery time.

Reference standards for Ramelteon

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

Ramelteon standards

Typical uses

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

Applications

Pharmaceutical Manufacturing and QCResearch Labs and Universities

Specifications and identifiers

Specifications of (1,2,6,7,-Tetrahydro-8H-indeno[5,4-b]furan-8-ylidene)acetonitrile
Product name(1,2,6,7,-Tetrahydro-8H-indeno[5,4-b]furan-8-ylidene)acetonitrile
Catalogue numberZX-032095
CAS number221530-44-5
IUPAC name(2E)-2-(1,2,6,7-tetrahydrocyclopenta[e][1]benzofuran-8-ylidene)acetonitrile
Molecular formulaC13H11NO
Molar mass197.23 g/mol
Exact mass197.0841
GradeReference Standard
Physical formSolid
XLogP32
H-bond donors / acceptors0 / 2
Topological polar surface area33 Ų
HS code38229090
InChIKeyTUFWVKLKUFXARX-BJMVGYQFSA-N
SMILESC1C/C(=C\C#N)/C2=C1C=CC3=C2CCO3
PubChem CID11830381
Synonyms(E)-2-(6,7-Dihydro-1H-indeno[5,4-b]furan-8(2H)-ylidene)acetonitrile, (E)-2-(1,2,6,7-Tetrahydro-8H-indeno[5,4-b]furan-8-ylidene)acetonitrile, Acetonitrile, (1,2,6,7-tetrahydro-8H-indeno[5,4-b]furan-8-ylidene)-, (2E)-, Acetonitrile, 2-(1,2,6,7-tetrahydro-8H-indeno[5,4-b]furan-8-ylidene)-, (2E)-, (E)-(1,6,7,8-Tetrahydro-2H-indeno[5,4-b]furan-8-ylidene)acetonitrile, Acetonitrile, 2-(1,2,6,7-tetrahydro-8H-indeno[5,4-b]furan-8-ylidene)-, Ramelteon-2, Ramelteon Imputiry B, CS-M2278

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

  • H302Harmful if swallowed

Precautionary statements P264, P270, P301 + P317, P330, 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 (1,2,6,7,-Tetrahydro-8H-indeno[5,4-b]furan-8-ylidene)acetonitrile
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 (1,2,6,7,-Tetrahydro-8H-indeno[5,4-b]furan-8-ylidene)acetonitrile

Which CAS number identifies (1,2,6,7,-Tetrahydro-8H-indeno[5,4-b]furan-8-ylidene)acetonitrile?
(1,2,6,7,-Tetrahydro-8H-indeno[5,4-b]furan-8-ylidene)acetonitrile is registered under CAS 221530-44-5. You may also see it listed as (E)-2-(6,7-Dihydro-1H-indeno[5,4-b]furan-8(2H)-ylidene)acetonitrile, (E)-2-(1,2,6,7-Tetrahydro-8H-indeno[5,4-b]furan-8-ylidene)acetonitrile, Acetonitrile, (1,2,6,7-tetrahydro-8H-indeno[5,4-b]furan-8-ylidene)-, (2E)-. Our catalogue number for this item is ZX-032095.
What are the formula and molar mass of (1,2,6,7,-Tetrahydro-8H-indeno[5,4-b]furan-8-ylidene)acetonitrile?
For (1,2,6,7,-Tetrahydro-8H-indeno[5,4-b]furan-8-ylidene)acetonitrile, its formula is C13H11NO and its molar mass is 197.23 g/mol. The systematic (IUPAC) name is (2E)-2-(1,2,6,7-tetrahydrocyclopenta[e][1]benzofuran-8-ylidene)acetonitrile. InChIKey TUFWVKLKUFXARX-BJMVGYQFSA-N lets you match it in any structure database.
How is (1,2,6,7,-Tetrahydro-8H-indeno[5,4-b]furan-8-ylidene)acetonitrile used in pharmaceutical QC?
(1,2,6,7,-Tetrahydro-8H-indeno[5,4-b]furan-8-ylidene)acetonitrile is a characterised reference material linked to Ramelteon. 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 (1,2,6,7,-Tetrahydro-8H-indeno[5,4-b]furan-8-ylidene)acetonitrile?
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 (1,2,6,7,-Tetrahydro-8H-indeno[5,4-b]furan-8-ylidene)acetonitrile?
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 (1,2,6,7,-Tetrahydro-8H-indeno[5,4-b]furan-8-ylidene)acetonitrile to my country?
Yes. Because (1,2,6,7,-Tetrahydro-8H-indeno[5,4-b]furan-8-ylidene)acetonitrile 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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