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API Impurities

(S)-5,7-Difluorochroman-4-ol

Reference StandardAvailable on request

(S)-5,7-Difluorochroman-4-ol (CAS 942195-91-7) supplier Zemixal. Lab and bulk packs, batch COA, fast global delivery. Packs from 10 mg.

Pack sizes
(S)-5,7-Difluorochroman-4-ol chemical structure
CAS number942195-91-7
FormulaC9H8F2O2
Molar mass186.15 g/mol
Physical formSolid
HS code38229090
InChIKeyHGTYMLFMXKYIQW-ZETCQYMHSA-N
IUPAC name(4S)-5,7-difluoro-3,4-dihydro-2H-chromen-4-ol

About (S)-5,7-Difluorochroman-4-ol

Analytical teams working on Tegoprazan use (S)-5,7-Difluorochroman-4-ol as a qualified comparison standard. For your records (Reference Standard), the material is defined by CAS 942195-91-7, formula C9H8F2O2 and molar mass 186.15 g/mol. It is handled as a solid.

Typical applications

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

Safe handling

Classified under GHS with signal word Warning and hazard statements H302, H315, H319 and H335. Read the SDS before first use.

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 Tegoprazan

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

Tegoprazan 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 (S)-5,7-Difluorochroman-4-ol
Product name(S)-5,7-Difluorochroman-4-ol
Catalogue numberZX-026179
CAS number942195-91-7
IUPAC name(4S)-5,7-difluoro-3,4-dihydro-2H-chromen-4-ol
Molecular formulaC9H8F2O2
Molar mass186.15 g/mol
Exact mass186.0492
GradeReference Standard
Physical formSolid
XLogP31.4
H-bond donors / acceptors1 / 4
Topological polar surface area29.5 Ų
HS code38229090
InChIKeyHGTYMLFMXKYIQW-ZETCQYMHSA-N
SMILESC1COC2=C([C@H]1O)C(=CC(=C2)F)F
PubChem CID64985321
Synonyms(4S)-5,7-difluoro-3,4-dihydro-2H-1-benzopyran-4-ol, (4S)-5,7-difluorochroman-4-ol, EX-A4597, 5,7-Difluoro-3,4-dihydro-2H-1-benzopyran-4-ol, (4S)-, 2H-1-Benzopyran-4-ol, 5,7-difluoro-3,4-dihydro-, (4S)-

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
  • H315Causes skin irritation
  • H319Causes serious eye irritation
  • H335May cause respiratory irritation

Precautionary statements P261, P264, P264 + P265, P270, P271, P280, P301 + P317, P302 + P352, P304 + P340, P305 + P351 + P338, P319, P321, P330, 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 (S)-5,7-Difluorochroman-4-ol
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 (S)-5,7-Difluorochroman-4-ol

Which CAS number identifies (S)-5,7-Difluorochroman-4-ol?
(S)-5,7-Difluorochroman-4-ol is registered under CAS 942195-91-7. You may also see it listed as (4S)-5,7-difluoro-3,4-dihydro-2H-1-benzopyran-4-ol, (4S)-5,7-difluorochroman-4-ol, EX-A4597. Our catalogue number for this item is ZX-026179.
What are the formula and molar mass of (S)-5,7-Difluorochroman-4-ol?
For (S)-5,7-Difluorochroman-4-ol, its formula is C9H8F2O2 and its molar mass is 186.15 g/mol. The systematic (IUPAC) name is (4S)-5,7-difluoro-3,4-dihydro-2H-chromen-4-ol. InChIKey HGTYMLFMXKYIQW-ZETCQYMHSA-N lets you match it in any structure database.
How is (S)-5,7-Difluorochroman-4-ol used in pharmaceutical QC?
(S)-5,7-Difluorochroman-4-ol is a characterised reference material linked to Tegoprazan. 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 (S)-5,7-Difluorochroman-4-ol?
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 (S)-5,7-Difluorochroman-4-ol?
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 (S)-5,7-Difluorochroman-4-ol to my country?
Yes. Because (S)-5,7-Difluorochroman-4-ol 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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